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From: Philippe Anel <xigh@bouyapop.org>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] 9vx, kproc and *double sleep*
Date: Sun, 13 Jun 2010 15:43:51 +0200	[thread overview]
Message-ID: <4C14E097.7090701@bouyapop.org> (raw)
In-Reply-To: <8ebe5bdc32ec6d9b7efc27b0b0b3697c@hamnavoe.com>


How do you understand the following logs ?

At 14302, we see that proc 49 is running on Mach 6 and has the *double
sleep* bug.

(gdb) proc 49
proc text=*io* proc=0x2aaabb4d5b40 state=8
kstack=0x2aaaed968010-0x2aaaeda68010
Proc 49 is a kproc *io* in state 8: Wakeme.

At 14268, you'll see that proc 49 was about to go sched.

Between 14268 and 142ff, proc 49 has been scheduled by Mach 1 at 142bf.

   14302: m= 6 pc=40be22 sp=2aaaeda67f08 up=49:8  xp=49:8  r=
9c40f0 a=       0 # proc: sleep: ** double sleep **
   14301: m= 6 pc=40be22 sp=2aaaeda67f08 up=49:8  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep: lock r
   14300: m= 6 pc=40be22 sp=2aaaeda67f08 up=49:8  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep
   142ff: m= 6 pc=40be22 sp=2aaaeda67f08 up=49:8  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep: done

   142fe: m= 5 pc=44e1a9 sp=    53c04020 up=0 :0  xp=0 :0  r=
0 a=       0 # kproc: runproc
   142fd: m= 5 pc=44df26 sp=    53c04070 up=0 :0  xp=8 :2  r=
0 a=       0 # proc: sched: calling runproc
   142fc: m= 5 pc=44df26 sp=    53c04070 up=0 :0  xp=8 :2  r=
0 a=       0 # proc: sched
   142fb: m= 5 pc=40e41b sp=    53c040b0 up=8 :2  xp=0 :0  r=
0 a=       0 # proc: schedinit: disable up
   142fa: m= 5 pc=40e41b sp=    53c040b0 up=8 :2  xp=0 :0  r=
0 a=       0 # proc: schedinit: up still active
   142f9: m= 1 pc=44e1a9 sp=    50b00020 up=0 :0  xp=0 :0  r=
0 a=       0 # kproc: runproc
   142f8: m= 1 pc=44df26 sp=    50b00070 up=0 :0  xp=49:8  r=
0 a=       0 # proc: sched: calling runproc
   142f7: m= 1 pc=44df26 sp=    50b00070 up=0 :0  xp=49:8  r=
0 a=       0 # proc: sched
   142f6: m= 1 pc=40e41b sp=    50b000b0 up=49:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: disable up
   142f5: m= 1 pc=40e41b sp=    50b000b0 up=49:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: up still active
   142f4: m= 1 pc=40e41b sp=    50b000b0 up=49:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: start
   142f3: m= 1 pc=40be22 sp=2aaaeda67f08 up=49:8  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep: going sched
   142f2: m= 1 pc=40be22 sp=2aaaeda67f08 up=49:8  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep: unlock r
   142f1: m= 1 pc=40be22 sp=2aaaeda67f08 up=49:8  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep: unlock up
   142f0: m= 1 pc=40be22 sp=2aaaeda67f08 up=49:8  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep: sleeping
   142ef: m= 1 pc=40be22 sp=2aaaeda67f08 up=49:4  xp=0 :0  r=
9c40f0 a=       2 # proc: sleep: condition
   142ee: m= 1 pc=40be22 sp=2aaaeda67f08 up=49:4  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep: lock up
   142ed: m= 0 pc=44fd4b sp=2aaaeddeba78 up=66:4  xp=8 :2  r=
0 a=       0 # kproc: ready: newmach
   142ec: m= 1 pc=40be22 sp=2aaaeda67f08 up=49:4  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep: lock r
   142eb: m= 0 pc=44fd4b sp=2aaaeddeba78 up=66:4  xp=8 :8  r=
0 a=       0 # kproc: ready
   142ea: m= 1 pc=40be22 sp=2aaaeda67f08 up=49:4  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep
   142e9: m= 1 pc=     0 sp=2aaaeda67f68 up=49:4  xp=0 :0  r=
9c40f0 a=     205 # kserver: wait
   142e8: m= 0 pc=40c101 sp=2aaaeddebaa8 up=66:4  xp=8 :8  r=
9a8340 a=       0 # proc: wakeup: ready p
   142e7: m= 1 pc=40bfbe sp=2aaaeda67f28 up=49:4  xp=68:2
r=2aaabb7afd08 a=       0 # proc: wakeup: done
   142e6: m= 0 pc=40c101 sp=2aaaeddebaa8 up=66:4  xp=8 :8  r=
9a8340 a=       0 # proc: wakeup: lock p
   142e5: m= 1 pc=40bfbe sp=2aaaeda67f28 up=49:4  xp=68:2
r=2aaabb7afd08 a=       0 # proc: wakeup: unlock r
   142e4: m= 0 pc=40c101 sp=2aaaeddebaa8 up=66:4  xp=0 :0  r=
9a8340 a=       0 # proc: wakeup: lock r
   142e3: m= 1 pc=40bfbe sp=2aaaeda67f28 up=49:4  xp=68:2
r=2aaabb7afd08 a=       0 # proc: wakeup: unlock p
   142e2: m= 0 pc=40c101 sp=2aaaeddebaa8 up=66:4  xp=0 :0  r=
9a8340 a=       0 # proc: wakeup
   142e1: m= 1 pc=40f22e sp=2aaaeda67ed8 up=49:4  xp=0 :0  r=
0 a=       0 # kproc: done
   142e0: m= 0 pc=     0 sp=2aaaeddebae8 up=66:4  xp=8 :8  r=
9a8340 a=    1097 # kcall: wakeup
   142df: m= 1 pc=40f22e sp=2aaaeda67ed8 up=49:4  xp=0 :0  r=
0 a=       0 # kproc: kick
   142de: m= 0 pc=40c88b sp=2aaaeddebae8 up=66:4  xp=0 :0  r=
0 a=    1097 # kcall: call
   142dd: m= 1 pc=44fd4b sp=2aaaeda67eb8 up=49:4  xp=68:2  r=
0 a=       0 # proc: ready: done
   142dc: m= 1 pc=44e9da sp=2aaaeda67e78 up=49:4  xp=68:2  r=
0 a=       0 # proc: queue: done
   142db: m= 1 pc=44e9da sp=2aaaeda67e78 up=49:4  xp=68:2  r=
0 a=       0 # proc: queue
   142da: m= 0 pc=40c39d sp=2aaaeddeb878 up=66:4  xp=0 :0  r=
0 a=    1095 # kcall: done
   142d9: m= 1 pc=44fd4b sp=2aaaeda67eb8 up=49:4  xp=68:8  r=
0 a=       0 # proc: ready
   142d8: m= 0 pc=40c39d sp=2aaaeddeb878 up=66:4  xp=0 :0  r=
0 a=    1095 # kcall: release
   142d7: m= 1 pc=40bfbe sp=2aaaeda67f28 up=49:4  xp=68:8
r=2aaabb7afd08 a=       0 # proc: wakeup: ready p
   142d6: m= 0 pc=40c269 sp=2aaaeddeb818 up=66:4  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: sleep: done
   142d5: m= 1 pc=40bfbe sp=2aaaeda67f28 up=49:4  xp=68:8
r=2aaabb7afd08 a=       0 # proc: wakeup: lock p
   142d4: m= 1 pc=40bfbe sp=2aaaeda67f28 up=49:4  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: wakeup: lock r
   142d3: m= 1 pc=40bfbe sp=2aaaeda67f28 up=49:4  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: wakeup
   142d2: m= 0 pc=40c269 sp=2aaaeddeb818 up=66:4  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: sleep: awakened
   142d1: m= 1 pc=     0 sp=2aaaeda67f68 up=49:4  xp=68:8  r=
9c40f0 a=    1096 # kserver: done
   142d0: m= 0 pc=44df26 sp=7fffffffe1d0 up=66:4  xp=68:8  r=
0 a=       0 # proc: sched: switch
   142cf: m= 0 pc=44df26 sp=7fffffffe1d0 up=0 :0  xp=66:3  r=
0 a=       0 # proc: sched: found
   142ce: m= 0 pc=40f3d2 sp=7fffffffe120 up=0 :0  xp=66:3  r=
0 a=       0 # proc: runproc: done
   142cd: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=66:2  r=
0 a=       0 # proc: dequeue: done
   142cc: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=66:2  r=
0 a=       0 # proc: dequeue
   142cb: m= 0 pc=40f3d2 sp=7fffffffe120 up=0 :0  xp=0 :0  r=
0 a=       0 # proc: runproc
   142ca: m= 0 pc=44df26 sp=7fffffffe1d0 up=0 :0  xp=68:8  r=
0 a=       0 # proc: sched: calling runproc
   142c9: m= 0 pc=44df26 sp=7fffffffe1d0 up=0 :0  xp=68:8  r=
0 a=       0 # proc: sched
   142c8: m= 0 pc=40d2a0 sp=7fffffffe210 up=68:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: disable up
   142c7: m= 0 pc=40d2a0 sp=7fffffffe210 up=68:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: up still active
   142c6: m= 0 pc=40d2a0 sp=7fffffffe210 up=68:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: start
   142c5: m= 0 pc=40c269 sp=2aaaedfed808 up=68:8  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: sleep: going sched
   142c4: m= 1 pc=     0 sp=2aaaeda67f68 up=49:4  xp=68:8  r=
9c40f0 a=    1096 # kserver: serve
   142c3: m= 0 pc=40c269 sp=2aaaedfed808 up=68:8  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: sleep: unlock r
   142c2: m= 1 pc=40be22 sp=2aaaeda67f08 up=49:4  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep: done
   142c1: m= 0 pc=40c269 sp=2aaaedfed808 up=68:8  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: sleep: unlock up
   142c0: m= 1 pc=40be22 sp=2aaaeda67f08 up=49:4  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep: awakened
   142bf: m= 1 pc=44df26 sp=    50b00070 up=49:4  xp=8 :8  r=
0 a=       0 # proc: sched: switch
   142be: m= 0 pc=40c269 sp=2aaaedfed808 up=68:8  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: sleep: sleeping
   142bd: m= 0 pc=40c269 sp=2aaaedfed808 up=68:4  xp=0 :0
r=2aaabb7afd08 a=       2 # proc: sleep: condition
   142bc: m= 0 pc=40c269 sp=2aaaedfed808 up=68:4  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: sleep: lock up
   142bb: m= 0 pc=40c269 sp=2aaaedfed808 up=68:4  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: sleep: lock r
   142ba: m= 1 pc=44df26 sp=    50b00070 up=0 :0  xp=49:2  r=
0 a=       0 # proc: sched: found
   142b9: m= 0 pc=40c269 sp=2aaaedfed808 up=68:4  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: sleep
   142b8: m= 1 pc=44e1a9 sp=    50b00020 up=0 :0  xp=49:2  r=
0 a=       0 # kproc: runproc: found
   142b7: m= 0 pc=40c39d sp=2aaaedfed868 up=68:4  xp=0 :0  r=
0 a=    1096 # kcall: sleep
   142b6: m= 0 pc=40c101 sp=2aaaedfed828 up=68:4  xp=49:2  r=
9c40f0 a=       0 # proc: wakeup: done
   142b5: m= 1 pc=44e1a9 sp=    50b00020 up=0 :0  xp=49:2  r=
0 a=       0 # kproc: runproc: p removed from kqueue
   142b4: m= 1 pc=44e1a9 sp=    50b00020 up=0 :0  xp=49:2  r=
0 a=       0 # kproc: runproc: remove p from kqueue
   142b3: m= 0 pc=40c101 sp=2aaaedfed828 up=68:4  xp=49:2  r=
9c40f0 a=       0 # proc: wakeup: unlock r
   142b2: m= 1 pc=44e1a9 sp=    50b00020 up=0 :0  xp=0 :0  r=
0 a=       0 # kproc: runproc: psleep: done
   142b1: m= 0 pc=40c101 sp=2aaaedfed828 up=68:4  xp=49:2  r=
9c40f0 a=       0 # proc: wakeup: unlock p
   142b0: m= 0 pc=44fd4b sp=2aaaedfed7f8 up=68:4  xp=49:2  r=
0 a=       0 # kproc: ready: done
   142af: m= 0 pc=44fd4b sp=2aaaedfed7f8 up=68:4  xp=49:2  r=
0 a=       0 # kproc: ready: pwakeup: done
   142ae: m= 5 pc=40e41b sp=    53c040b0 up=8 :8  xp=0 :0  r=
0 a=       0 # proc: schedinit: start
   142ad: m= 5 pc=40be22 sp=2aaaed2dff08 up=8 :8  xp=0 :0  r=
9a8340 a=       0 # proc: sleep: going sched
   142ac: m= 5 pc=40be22 sp=2aaaed2dff08 up=8 :8  xp=0 :0  r=
9a8340 a=       0 # proc: sleep: unlock r
   142ab: m= 5 pc=40be22 sp=2aaaed2dff08 up=8 :8  xp=0 :0  r=
9a8340 a=       0 # proc: sleep: unlock up
   142aa: m= 0 pc=44fd4b sp=2aaaedfed7f8 up=68:4  xp=49:2  r=
0 a=       0 # kproc: ready: pwakeup
   142a9: m= 0 pc=44fd4b sp=2aaaedfed7f8 up=68:4  xp=49:8  r=
0 a=       0 # kproc: ready
   142a8: m= 0 pc=40c101 sp=2aaaedfed828 up=68:4  xp=49:8  r=
9c40f0 a=       0 # proc: wakeup: ready p
   142a7: m= 5 pc=40be22 sp=2aaaed2dff08 up=8 :8  xp=0 :0  r=
9a8340 a=       0 # proc: sleep: sleeping
   142a6: m= 0 pc=40c101 sp=2aaaedfed828 up=68:4  xp=49:8  r=
9c40f0 a=       0 # proc: wakeup: lock p
   142a5: m= 5 pc=40be22 sp=2aaaed2dff08 up=8 :4  xp=0 :0  r=
9a8340 a=       2 # proc: sleep: condition
   142a4: m= 0 pc=40c101 sp=2aaaedfed828 up=68:4  xp=0 :0  r=
9c40f0 a=       0 # proc: wakeup: lock r
   142a3: m= 5 pc=40be22 sp=2aaaed2dff08 up=8 :4  xp=0 :0  r=
9a8340 a=       0 # proc: sleep: lock up
   142a2: m= 0 pc=40c101 sp=2aaaedfed828 up=68:4  xp=0 :0  r=
9c40f0 a=       0 # proc: wakeup
   142a1: m= 5 pc=40be22 sp=2aaaed2dff08 up=8 :4  xp=0 :0  r=
9a8340 a=       0 # proc: sleep: lock r
   142a0: m= 0 pc=     0 sp=2aaaedfed868 up=68:4  xp=49:8  r=
9c40f0 a=    1096 # kcall: wakeup
   1429f: m= 5 pc=40be22 sp=2aaaed2dff08 up=8 :4  xp=0 :0  r=
9a8340 a=       0 # proc: sleep
   1429e: m= 5 pc=     0 sp=2aaaed2dff68 up=8 :4  xp=0 :0  r=
9a8340 a=     446 # kserver: wait
   1429d: m= 0 pc=40c39d sp=2aaaedfed868 up=68:4  xp=0 :0  r=
0 a=    1096 # kcall: call
   1429c: m= 5 pc=40bfbe sp=2aaaed2dff28 up=8 :4  xp=66:2
r=2aaabb68bdb8 a=       0 # proc: wakeup: done
   1429b: m= 5 pc=40bfbe sp=2aaaed2dff28 up=8 :4  xp=66:2
r=2aaabb68bdb8 a=       0 # proc: wakeup: unlock r
   1429a: m= 5 pc=40bfbe sp=2aaaed2dff28 up=8 :4  xp=66:2
r=2aaabb68bdb8 a=       0 # proc: wakeup: unlock p
   14299: m= 5 pc=40f22e sp=2aaaed2dfed8 up=8 :4  xp=0 :0  r=
0 a=       0 # kproc: done
   14298: m= 5 pc=40f22e sp=2aaaed2dfed8 up=8 :4  xp=0 :0  r=
0 a=       0 # kproc: kick
   14297: m= 5 pc=44fd4b sp=2aaaed2dfeb8 up=8 :4  xp=66:2  r=
0 a=       0 # proc: ready: done
   14296: m= 5 pc=44e9da sp=2aaaed2dfe78 up=8 :4  xp=66:2  r=
0 a=       0 # proc: queue: done
   14295: m= 5 pc=44e9da sp=2aaaed2dfe78 up=8 :4  xp=66:2  r=
0 a=       0 # proc: queue
   14294: m= 0 pc=40c39d sp=2aaaedfed868 up=68:4  xp=0 :0  r=
0 a=    1094 # kcall: done
   14293: m= 5 pc=44fd4b sp=2aaaed2dfeb8 up=8 :4  xp=66:8  r=
0 a=       0 # proc: ready
   14292: m= 5 pc=40bfbe sp=2aaaed2dff28 up=8 :4  xp=66:8
r=2aaabb68bdb8 a=       0 # proc: wakeup: ready p
   14291: m= 0 pc=40c39d sp=2aaaedfed868 up=68:4  xp=0 :0  r=
0 a=    1094 # kcall: release
   14290: m= 5 pc=40bfbe sp=2aaaed2dff28 up=8 :4  xp=66:8
r=2aaabb68bdb8 a=       0 # proc: wakeup: lock p
   1428f: m= 0 pc=40c269 sp=2aaaedfed808 up=68:4  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: sleep: done
   1428e: m= 5 pc=40bfbe sp=2aaaed2dff28 up=8 :4  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: wakeup: lock r
   1428d: m= 5 pc=40bfbe sp=2aaaed2dff28 up=8 :4  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: wakeup
   1428c: m= 5 pc=     0 sp=2aaaed2dff68 up=8 :4  xp=66:8  r=
9a8340 a=    1095 # kserver: done
   1428b: m= 0 pc=40c269 sp=2aaaedfed808 up=68:4  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: sleep: awakened
   1428a: m= 0 pc=44df26 sp=7fffffffe1d0 up=68:4  xp=66:8  r=
0 a=       0 # proc: sched: switch
   14289: m= 0 pc=44df26 sp=7fffffffe1d0 up=0 :0  xp=68:3  r=
0 a=       0 # proc: sched: found
   14288: m= 0 pc=40f3d2 sp=7fffffffe120 up=0 :0  xp=68:3  r=
0 a=       0 # proc: runproc: done
   14287: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=68:2  r=
0 a=       0 # proc: dequeue: done
   14286: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=68:2  r=
0 a=       0 # proc: dequeue
   14285: m= 0 pc=40f3d2 sp=7fffffffe120 up=0 :0  xp=0 :0  r=
0 a=       0 # proc: runproc
   14284: m= 0 pc=44df26 sp=7fffffffe1d0 up=0 :0  xp=66:8  r=
0 a=       0 # proc: sched: calling runproc
   14283: m= 0 pc=44df26 sp=7fffffffe1d0 up=0 :0  xp=66:8  r=
0 a=       0 # proc: sched
   14282: m= 0 pc=40d2a0 sp=7fffffffe210 up=66:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: disable up
   14281: m= 0 pc=40d2a0 sp=7fffffffe210 up=66:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: up still active
   14280: m= 0 pc=40d2a0 sp=7fffffffe210 up=66:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: start
   1427f: m= 5 pc=     0 sp=2aaaed2dff68 up=8 :4  xp=66:8  r=
9a8340 a=    1095 # kserver: serve
   1427e: m= 0 pc=40c269 sp=2aaaeddeb818 up=66:8  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: sleep: going sched
   1427d: m= 5 pc=40be22 sp=2aaaed2dff08 up=8 :4  xp=0 :0  r=
9a8340 a=       0 # proc: sleep: done
   1427c: m= 0 pc=40c269 sp=2aaaeddeb818 up=66:8  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: sleep: unlock r
   1427b: m= 5 pc=40be22 sp=2aaaed2dff08 up=8 :4  xp=0 :0  r=
9a8340 a=       0 # proc: sleep: awakened
   1427a: m= 0 pc=40c269 sp=2aaaeddeb818 up=66:8  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: sleep: unlock up
   14279: m= 5 pc=44df26 sp=    53c04070 up=8 :4  xp=4 :4  r=
0 a=       0 # proc: sched: switch
   14278: m= 0 pc=40c269 sp=2aaaeddeb818 up=66:8  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: sleep: sleeping
   14277: m= 0 pc=40c269 sp=2aaaeddeb818 up=66:4  xp=0 :0
r=2aaabb68bdb8 a=       2 # proc: sleep: condition
   14276: m= 0 pc=40c269 sp=2aaaeddeb818 up=66:4  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: sleep: lock up
   14275: m= 5 pc=44df26 sp=    53c04070 up=0 :0  xp=8 :2  r=
0 a=       0 # proc: sched: found
   14274: m= 0 pc=40c269 sp=2aaaeddeb818 up=66:4  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: sleep: lock r
   14273: m= 5 pc=44e1a9 sp=    53c04020 up=0 :0  xp=8 :2  r=
0 a=       0 # kproc: runproc: found
   14272: m= 0 pc=40c269 sp=2aaaeddeb818 up=66:4  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: sleep
   14271: m= 0 pc=40c39d sp=2aaaeddeb878 up=66:4  xp=0 :0  r=
0 a=    1095 # kcall: sleep
   14270: m= 5 pc=44e1a9 sp=    53c04020 up=0 :0  xp=8 :2  r=
0 a=       0 # kproc: runproc: p removed from kqueue
   1426f: m= 0 pc=40c101 sp=2aaaeddeb838 up=66:4  xp=8 :2  r=
9a8340 a=       0 # proc: wakeup: done
   1426e: m= 5 pc=44e1a9 sp=    53c04020 up=0 :0  xp=8 :2  r=
0 a=       0 # kproc: runproc: remove p from kqueue
   1426d: m= 5 pc=44e1a9 sp=    53c04020 up=0 :0  xp=0 :0  r=
0 a=       0 # kproc: runproc: psleep: done
   1426c: m= 0 pc=40c101 sp=2aaaeddeb838 up=66:4  xp=8 :2  r=
9a8340 a=       0 # proc: wakeup: unlock r
   1426b: m= 0 pc=40c101 sp=2aaaeddeb838 up=66:4  xp=8 :2  r=
9a8340 a=       0 # proc: wakeup: unlock p
   1426a: m= 0 pc=44fd4b sp=2aaaeddeb808 up=66:4  xp=8 :2  r=
0 a=       0 # kproc: ready: done
   14269: m= 0 pc=44fd4b sp=2aaaeddeb808 up=66:4  xp=8 :2  r=
0 a=       0 # kproc: ready: pwakeup: done

   14268: m= 6 pc=40be22 sp=2aaaeda67f08 up=49:8  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep: going sched
   14267: m= 6 pc=40be22 sp=2aaaeda67f08 up=49:8  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep: unlock r
   14266: m= 6 pc=40be22 sp=2aaaeda67f08 up=49:8  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep: unlock up
   14265: m= 0 pc=44fd4b sp=2aaaeddeb808 up=66:4  xp=8 :2  r=
0 a=       0 # kproc: ready: pwakeup
   14264: m= 0 pc=44fd4b sp=2aaaeddeb808 up=66:4  xp=8 :8  r=
0 a=       0 # kproc: ready
   14263: m= 6 pc=40be22 sp=2aaaeda67f08 up=49:8  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep: sleeping
   14262: m= 0 pc=40c101 sp=2aaaeddeb838 up=66:4  xp=8 :8  r=
9a8340 a=       0 # proc: wakeup: ready p
   14261: m= 6 pc=40be22 sp=2aaaeda67f08 up=49:4  xp=0 :0  r=
9c40f0 a=       2 # proc: sleep: condition
   14260: m= 0 pc=40c101 sp=2aaaeddeb838 up=66:4  xp=8 :8  r=
9a8340 a=       0 # proc: wakeup: lock p
   1425f: m= 6 pc=40be22 sp=2aaaeda67f08 up=49:4  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep: lock up
   1425e: m= 0 pc=40c101 sp=2aaaeddeb838 up=66:4  xp=0 :0  r=
9a8340 a=       0 # proc: wakeup: lock r
   1425d: m= 6 pc=40be22 sp=2aaaeda67f08 up=49:4  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep: lock r
   1425c: m= 0 pc=40c101 sp=2aaaeddeb838 up=66:4  xp=0 :0  r=
9a8340 a=       0 # proc: wakeup
   1425b: m= 6 pc=40be22 sp=2aaaeda67f08 up=49:4  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep
   1425a: m= 0 pc=     0 sp=2aaaeddeb878 up=66:4  xp=8 :8  r=
9a8340 a=    1095 # kcall: wakeup
   14259: m= 6 pc=     0 sp=2aaaeda67f68 up=49:4  xp=0 :0  r=
9c40f0 a=     204 # kserver: wait
   14258: m= 0 pc=40c39d sp=2aaaeddeb878 up=66:4  xp=0 :0  r=
0 a=    1095 # kcall: call
   14257: m= 6 pc=40bfbe sp=2aaaeda67f28 up=49:4  xp=68:2
r=2aaabb7afd08 a=       0 # proc: wakeup: done
   14256: m= 6 pc=40bfbe sp=2aaaeda67f28 up=49:4  xp=68:2
r=2aaabb7afd08 a=       0 # proc: wakeup: unlock r
   14255: m= 6 pc=40bfbe sp=2aaaeda67f28 up=49:4  xp=68:2
r=2aaabb7afd08 a=       0 # proc: wakeup: unlock p
   14254: m= 6 pc=40f22e sp=2aaaeda67ed8 up=49:4  xp=0 :0  r=
0 a=       0 # kproc: done
   14253: m= 6 pc=40f22e sp=2aaaeda67ed8 up=49:4  xp=0 :0  r=
0 a=       0 # kproc: kick
   14252: m= 6 pc=44fd4b sp=2aaaeda67eb8 up=49:4  xp=68:2  r=
0 a=       0 # proc: ready: done
   14251: m= 6 pc=44e9da sp=2aaaeda67e78 up=49:4  xp=68:2  r=
0 a=       0 # proc: queue: done
   14250: m= 0 pc=40c39d sp=2aaaeddeb878 up=66:4  xp=0 :0  r=
0 a=    1092 # kcall: done
   1424f: m= 6 pc=44e9da sp=2aaaeda67e78 up=49:4  xp=68:2  r=
0 a=       0 # proc: queue
   1424e: m= 0 pc=40c39d sp=2aaaeddeb878 up=66:4  xp=0 :0  r=
0 a=    1092 # kcall: release
   1424d: m= 0 pc=40c269 sp=2aaaeddeb818 up=66:4  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: sleep: done
   1424c: m= 6 pc=44fd4b sp=2aaaeda67eb8 up=49:4  xp=68:8  r=
0 a=       0 # proc: ready
   1424b: m= 6 pc=40bfbe sp=2aaaeda67f28 up=49:4  xp=68:8
r=2aaabb7afd08 a=       0 # proc: wakeup: ready p
   1424a: m= 0 pc=40c269 sp=2aaaeddeb818 up=66:4  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: sleep: awakened
   14249: m= 6 pc=40bfbe sp=2aaaeda67f28 up=49:4  xp=68:8
r=2aaabb7afd08 a=       0 # proc: wakeup: lock p
   14248: m= 6 pc=40bfbe sp=2aaaeda67f28 up=49:4  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: wakeup: lock r
   14247: m= 6 pc=40bfbe sp=2aaaeda67f28 up=49:4  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: wakeup
   14246: m= 6 pc=     0 sp=2aaaeda67f68 up=49:4  xp=68:8  r=
9c40f0 a=    1094 # kserver: done
   14245: m= 0 pc=44df26 sp=7fffffffe1d0 up=66:4  xp=68:8  r=
0 a=       0 # proc: sched: switch
   14244: m= 0 pc=44df26 sp=7fffffffe1d0 up=0 :0  xp=66:3  r=
0 a=       0 # proc: sched: found
   14243: m= 0 pc=40f3d2 sp=7fffffffe120 up=0 :0  xp=66:3  r=
0 a=       0 # proc: runproc: done
   14242: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=66:2  r=
0 a=       0 # proc: dequeue: done
   14241: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=66:2  r=
0 a=       0 # proc: dequeue
   14240: m= 0 pc=40f3d2 sp=7fffffffe120 up=0 :0  xp=0 :0  r=
0 a=       0 # proc: runproc
   1423f: m= 6 pc=     0 sp=2aaaeda67f68 up=49:4  xp=68:8  r=
9c40f0 a=    1094 # kserver: serve
   1423e: m= 0 pc=44df26 sp=7fffffffe1d0 up=0 :0  xp=68:8  r=
0 a=       0 # proc: sched: calling runproc
   1423d: m= 6 pc=40be22 sp=2aaaeda67f08 up=49:4  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep: done
   1423c: m= 0 pc=44df26 sp=7fffffffe1d0 up=0 :0  xp=68:8  r=
0 a=       0 # proc: sched
   1423b: m= 6 pc=40be22 sp=2aaaeda67f08 up=49:4  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep: awakened
   1423a: m= 0 pc=40d2a0 sp=7fffffffe210 up=68:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: disable up
   14239: m= 6 pc=44df26 sp=    54b05070 up=49:4  xp=8 :8  r=
0 a=       0 # proc: sched: switch
   14238: m= 0 pc=40d2a0 sp=7fffffffe210 up=68:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: up still active
   14237: m= 0 pc=40d2a0 sp=7fffffffe210 up=68:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: start
   14236: m= 0 pc=40c269 sp=2aaaedfed808 up=68:8  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: sleep: going sched
   14235: m= 0 pc=40c269 sp=2aaaedfed808 up=68:8  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: sleep: unlock r
   14234: m= 6 pc=44df26 sp=    54b05070 up=0 :0  xp=49:2  r=
0 a=       0 # proc: sched: found
   14233: m= 6 pc=44e1a9 sp=    54b05020 up=0 :0  xp=49:2  r=
0 a=       0 # kproc: runproc: found
   14232: m= 0 pc=40c269 sp=2aaaedfed808 up=68:8  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: sleep: unlock up
   14231: m= 6 pc=44e1a9 sp=    54b05020 up=0 :0  xp=49:2  r=
0 a=       0 # kproc: runproc: p removed from kqueue
   14230: m= 6 pc=44e1a9 sp=    54b05020 up=0 :0  xp=49:2  r=
0 a=       0 # kproc: runproc: remove p from kqueue
   1422f: m= 6 pc=44e1a9 sp=    54b05020 up=0 :0  xp=0 :0  r=
0 a=       0 # kproc: runproc: psleep: done
   1422e: m= 0 pc=40c269 sp=2aaaedfed808 up=68:8  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: sleep: sleeping
   1422d: m= 0 pc=40c269 sp=2aaaedfed808 up=68:4  xp=0 :0
r=2aaabb7afd08 a=       2 # proc: sleep: condition
   1422c: m= 0 pc=40c269 sp=2aaaedfed808 up=68:4  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: sleep: lock up
   1422b: m= 0 pc=40c269 sp=2aaaedfed808 up=68:4  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: sleep: lock r
   1422a: m= 0 pc=40c269 sp=2aaaedfed808 up=68:4  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: sleep
   14229: m= 0 pc=40c39d sp=2aaaedfed868 up=68:4  xp=0 :0  r=
0 a=    1094 # kcall: sleep
   14228: m= 0 pc=40c101 sp=2aaaedfed828 up=68:4  xp=49:2  r=
9c40f0 a=       0 # proc: wakeup: done
   14227: m= 0 pc=40c101 sp=2aaaedfed828 up=68:4  xp=49:2  r=
9c40f0 a=       0 # proc: wakeup: unlock r
   14226: m= 0 pc=40c101 sp=2aaaedfed828 up=68:4  xp=49:2  r=
9c40f0 a=       0 # proc: wakeup: unlock p
   14225: m= 0 pc=44fd4b sp=2aaaedfed7f8 up=68:4  xp=49:2  r=
0 a=       0 # kproc: ready: done
   14224: m= 0 pc=44fd4b sp=2aaaedfed7f8 up=68:4  xp=49:2  r=
0 a=       0 # kproc: ready: pwakeup: done
   14223: m= 0 pc=44fd4b sp=2aaaedfed7f8 up=68:4  xp=49:2  r=
0 a=       0 # kproc: ready: pwakeup
   14222: m= 0 pc=44fd4b sp=2aaaedfed7f8 up=68:4  xp=49:8  r=
0 a=       0 # kproc: ready
   14221: m= 0 pc=40c101 sp=2aaaedfed828 up=68:4  xp=49:8  r=
9c40f0 a=       0 # proc: wakeup: ready p
   14220: m= 0 pc=40c101 sp=2aaaedfed828 up=68:4  xp=49:8  r=
9c40f0 a=       0 # proc: wakeup: lock p
   1421f: m= 0 pc=40c101 sp=2aaaedfed828 up=68:4  xp=0 :0  r=
9c40f0 a=       0 # proc: wakeup: lock r
   1421e: m= 0 pc=40c101 sp=2aaaedfed828 up=68:4  xp=0 :0  r=
9c40f0 a=       0 # proc: wakeup
   1421d: m= 0 pc=     0 sp=2aaaedfed868 up=68:4  xp=49:8  r=
9c40f0 a=    1094 # kcall: wakeup
   1421c: m= 0 pc=40c39d sp=2aaaedfed868 up=68:4  xp=0 :0  r=
0 a=    1094 # kcall: call
   1421b: m= 0 pc=41ea29 sp=2aaaedfed928 up=68:4  xp=0 :0  r=
0 a=       0 # proc: error
   1421a: m= 0 pc=41ea29 sp=2aaaedfed928 up=68:4  xp=0 :0  r=
0 a=       0 # proc: error
   14219: m= 6 pc=44e1a9 sp=    54b05020 up=0 :0  xp=0 :0  r=
0 a=       0 # kproc: runproc: psleep
   14218: m= 6 pc=44e1a9 sp=    54b05020 up=0 :0  xp=0 :0  r=
0 a=       0 # kproc: runproc: search
   14217: m= 6 pc=44e1a9 sp=    54b05020 up=0 :0  xp=0 :0  r=
0 a=       0 # kproc: runproc
   14216: m= 6 pc=44df26 sp=    54b05070 up=0 :0  xp=8 :8  r=
0 a=       0 # proc: sched: calling runproc
   14215: m= 6 pc=44df26 sp=    54b05070 up=0 :0  xp=8 :8  r=
0 a=       0 # proc: sched
   14214: m= 6 pc=40e41b sp=    54b050b0 up=8 :8  xp=0 :0  r=
0 a=       0 # proc: schedinit: disable up
   14213: m= 6 pc=40e41b sp=    54b050b0 up=8 :8  xp=0 :0  r=
0 a=       0 # proc: schedinit: up still active
   14212: m= 6 pc=40e41b sp=    54b050b0 up=8 :8  xp=0 :0  r=
0 a=       0 # proc: schedinit: start
   14211: m= 6 pc=40be22 sp=2aaaed2dff08 up=8 :8  xp=0 :0  r=
9a8340 a=       0 # proc: sleep: going sched
   14210: m= 6 pc=40be22 sp=2aaaed2dff08 up=8 :8  xp=0 :0  r=
9a8340 a=       0 # proc: sleep: unlock r
   1420f: m= 6 pc=40be22 sp=2aaaed2dff08 up=8 :8  xp=0 :0  r=
9a8340 a=       0 # proc: sleep: unlock up
   1420e: m= 6 pc=40be22 sp=2aaaed2dff08 up=8 :8  xp=0 :0  r=
9a8340 a=       0 # proc: sleep: sleeping
   1420d: m= 6 pc=40be22 sp=2aaaed2dff08 up=8 :4  xp=0 :0  r=
9a8340 a=       2 # proc: sleep: condition
   1420c: m= 6 pc=40be22 sp=2aaaed2dff08 up=8 :4  xp=0 :0  r=
9a8340 a=       0 # proc: sleep: lock up
   1420b: m= 6 pc=40be22 sp=2aaaed2dff08 up=8 :4  xp=0 :0  r=
9a8340 a=       0 # proc: sleep: lock r
   1420a: m= 6 pc=40be22 sp=2aaaed2dff08 up=8 :4  xp=0 :0  r=
9a8340 a=       0 # proc: sleep
   14209: m= 6 pc=     0 sp=2aaaed2dff68 up=8 :4  xp=0 :0  r=
9a8340 a=     445 # kserver: wait
   14208: m= 6 pc=40bfbe sp=2aaaed2dff28 up=8 :4  xp=66:2
r=2aaabb68bdb8 a=       0 # proc: wakeup: done
   14207: m= 6 pc=40bfbe sp=2aaaed2dff28 up=8 :4  xp=66:2
r=2aaabb68bdb8 a=       0 # proc: wakeup: unlock r
   14206: m= 6 pc=40bfbe sp=2aaaed2dff28 up=8 :4  xp=66:2
r=2aaabb68bdb8 a=       0 # proc: wakeup: unlock p
   14205: m= 6 pc=40f22e sp=2aaaed2dfed8 up=8 :4  xp=0 :0  r=
0 a=       0 # kproc: done
   14204: m= 6 pc=40f22e sp=2aaaed2dfed8 up=8 :4  xp=0 :0  r=
0 a=       0 # kproc: kick
   14203: m= 6 pc=44fd4b sp=2aaaed2dfeb8 up=8 :4  xp=66:2  r=
0 a=       0 # proc: ready: done
   14202: m= 6 pc=44e9da sp=2aaaed2dfe78 up=8 :4  xp=66:2  r=
0 a=       0 # proc: queue: done
   14201: m= 6 pc=44e9da sp=2aaaed2dfe78 up=8 :4  xp=66:2  r=
0 a=       0 # proc: queue
   14200: m= 6 pc=44fd4b sp=2aaaed2dfeb8 up=8 :4  xp=66:8  r=
0 a=       0 # proc: ready
   141ff: m= 6 pc=40bfbe sp=2aaaed2dff28 up=8 :4  xp=66:8
r=2aaabb68bdb8 a=       0 # proc: wakeup: ready p
   141fe: m= 6 pc=40bfbe sp=2aaaed2dff28 up=8 :4  xp=66:8
r=2aaabb68bdb8 a=       0 # proc: wakeup: lock p
   141fd: m= 6 pc=40bfbe sp=2aaaed2dff28 up=8 :4  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: wakeup: lock r
   141fc: m= 6 pc=40bfbe sp=2aaaed2dff28 up=8 :4  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: wakeup
   141fb: m= 6 pc=     0 sp=2aaaed2dff68 up=8 :4  xp=66:8  r=
9a8340 a=    1092 # kserver: done
   141fa: m= 6 pc=40c5e2 sp=2aaaed2dfcd8 up=8 :4  xp=0 :0  r=
0 a=    1093 # kcall: serve
   141f9: m= 0 pc=40c5e2 sp=2aaaedfeda98 up=68:4  xp=0 :0  r=
0 a=    1089 # kcall: done
   141f8: m= 0 pc=40c5e2 sp=2aaaedfeda98 up=68:4  xp=0 :0  r=
0 a=    1089 # kcall: release
   141f7: m= 0 pc=40c269 sp=2aaaedfeda38 up=68:4  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: sleep: done
   141f6: m= 6 pc=     0 sp=2aaaed2dff68 up=8 :4  xp=66:8  r=
9a8340 a=    1092 # kserver: serve
   141f5: m= 6 pc=40be22 sp=2aaaed2dff08 up=8 :4  xp=0 :0  r=
9a8340 a=       0 # proc: sleep: done
   141f4: m= 6 pc=40be22 sp=2aaaed2dff08 up=8 :4  xp=0 :0  r=
9a8340 a=       0 # proc: sleep: awakened
   141f3: m= 0 pc=40c269 sp=2aaaedfeda38 up=68:4  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: sleep: awakened
   141f2: m= 6 pc=44df26 sp=    54b05070 up=8 :4  xp=49:8  r=
0 a=       0 # proc: sched: switch
   141f1: m= 6 pc=44df26 sp=    54b05070 up=0 :0  xp=8 :2  r=
0 a=       0 # proc: sched: found
   141f0: m= 6 pc=44e1a9 sp=    54b05020 up=0 :0  xp=8 :2  r=
0 a=       0 # kproc: runproc: found
   141ef: m= 6 pc=44e1a9 sp=    54b05020 up=0 :0  xp=8 :2  r=
0 a=       0 # kproc: runproc: p removed from kqueue
   141ee: m= 6 pc=44e1a9 sp=    54b05020 up=0 :0  xp=8 :2  r=
0 a=       0 # kproc: runproc: remove p from kqueue
   141ed: m= 6 pc=44e1a9 sp=    54b05020 up=0 :0  xp=0 :0  r=
0 a=       0 # kproc: runproc: psleep: done
   141ec: m= 0 pc=44df26 sp=7fffffffe1d0 up=68:4  xp=66:8  r=
0 a=       0 # proc: sched: switch
   141eb: m= 0 pc=44df26 sp=7fffffffe1d0 up=0 :0  xp=68:3  r=
0 a=       0 # proc: sched: found
   141ea: m= 0 pc=40f3d2 sp=7fffffffe120 up=0 :0  xp=68:3  r=
0 a=       0 # proc: runproc: done
   141e9: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=68:2  r=
0 a=       0 # proc: dequeue: done
   141e8: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=68:2  r=
0 a=       0 # proc: dequeue
   141e7: m= 0 pc=40f3d2 sp=7fffffffe120 up=0 :0  xp=0 :0  r=
0 a=       0 # proc: runproc
   141e6: m= 0 pc=44df26 sp=7fffffffe1d0 up=0 :0  xp=66:8  r=
0 a=       0 # proc: sched: calling runproc
   141e5: m= 0 pc=44df26 sp=7fffffffe1d0 up=0 :0  xp=66:8  r=
0 a=       0 # proc: sched
   141e4: m= 0 pc=40d2a0 sp=7fffffffe210 up=66:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: disable up
   141e3: m= 0 pc=40d2a0 sp=7fffffffe210 up=66:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: up still active
   141e2: m= 0 pc=40d2a0 sp=7fffffffe210 up=66:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: start
   141e1: m= 0 pc=40c269 sp=2aaaeddeb818 up=66:8  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: sleep: going sched
   141e0: m= 0 pc=40c269 sp=2aaaeddeb818 up=66:8  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: sleep: unlock r
   141df: m= 0 pc=40c269 sp=2aaaeddeb818 up=66:8  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: sleep: unlock up
   141de: m= 0 pc=40c269 sp=2aaaeddeb818 up=66:8  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: sleep: sleeping
   141dd: m= 0 pc=40c269 sp=2aaaeddeb818 up=66:4  xp=0 :0
r=2aaabb68bdb8 a=       2 # proc: sleep: condition
   141dc: m= 0 pc=40c269 sp=2aaaeddeb818 up=66:4  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: sleep: lock up
   141db: m= 0 pc=40c269 sp=2aaaeddeb818 up=66:4  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: sleep: lock r
   141da: m= 0 pc=40c269 sp=2aaaeddeb818 up=66:4  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: sleep
   141d9: m= 0 pc=40c39d sp=2aaaeddeb878 up=66:4  xp=0 :0  r=
0 a=    1092 # kcall: sleep
   141d8: m= 0 pc=40c101 sp=2aaaeddeb838 up=66:4  xp=8 :2  r=
9a8340 a=       0 # proc: wakeup: done
   141d7: m= 0 pc=40c101 sp=2aaaeddeb838 up=66:4  xp=8 :2  r=
9a8340 a=       0 # proc: wakeup: unlock r
   141d6: m= 0 pc=40c101 sp=2aaaeddeb838 up=66:4  xp=8 :2  r=
9a8340 a=       0 # proc: wakeup: unlock p
   141d5: m= 0 pc=44fd4b sp=2aaaeddeb808 up=66:4  xp=8 :2  r=
0 a=       0 # kproc: ready: done
   141d4: m= 0 pc=44fd4b sp=2aaaeddeb808 up=66:4  xp=8 :2  r=
0 a=       0 # kproc: ready: pwakeup: done
   141d3: m= 0 pc=44fd4b sp=2aaaeddeb808 up=66:4  xp=8 :2  r=
0 a=       0 # kproc: ready: pwakeup
   141d2: m= 0 pc=44fd4b sp=2aaaeddeb808 up=66:4  xp=8 :8  r=
0 a=       0 # kproc: ready
   141d1: m= 0 pc=40c101 sp=2aaaeddeb838 up=66:4  xp=8 :8  r=
9a8340 a=       0 # proc: wakeup: ready p
   141d0: m= 0 pc=40c101 sp=2aaaeddeb838 up=66:4  xp=8 :8  r=
9a8340 a=       0 # proc: wakeup: lock p
   141cf: m= 0 pc=40c101 sp=2aaaeddeb838 up=66:4  xp=0 :0  r=
9a8340 a=       0 # proc: wakeup: lock r
   141ce: m= 0 pc=40c101 sp=2aaaeddeb838 up=66:4  xp=0 :0  r=
9a8340 a=       0 # proc: wakeup
   141cd: m= 0 pc=     0 sp=2aaaeddeb878 up=66:4  xp=8 :8  r=
9a8340 a=    1092 # kcall: wakeup
   141cc: m= 0 pc=40c39d sp=2aaaeddeb878 up=66:4  xp=0 :0  r=
0 a=    1092 # kcall: call
   141cb: m= 0 pc=41ea29 sp=2aaaeddeb938 up=66:4  xp=0 :0  r=
0 a=       0 # proc: error
   141ca: m= 0 pc=41ea29 sp=2aaaeddeb938 up=66:4  xp=0 :0  r=
0 a=       0 # proc: error
   141c9: m= 0 pc=40c88b sp=2aaaeddebae8 up=66:4  xp=0 :0  r=
0 a=    1088 # kcall: done
   141c8: m= 0 pc=40c88b sp=2aaaeddebae8 up=66:4  xp=0 :0  r=
0 a=    1088 # kcall: release
   141c7: m= 0 pc=40c269 sp=2aaaeddeba88 up=66:4  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: sleep: done
   141c6: m= 0 pc=40c269 sp=2aaaeddeba88 up=66:4  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: sleep: awakened
   141c5: m= 0 pc=44df26 sp=7fffffffe1d0 up=66:4  xp=67:8  r=
0 a=       0 # proc: sched: switch
   141c4: m= 0 pc=44df26 sp=7fffffffe1d0 up=0 :0  xp=66:3  r=
0 a=       0 # proc: sched: found
   141c3: m= 0 pc=40f3d2 sp=7fffffffe120 up=0 :0  xp=66:3  r=
0 a=       0 # proc: runproc: done
   141c2: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=66:2  r=
0 a=       0 # proc: dequeue: done
   141c1: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=66:2  r=
0 a=       0 # proc: dequeue
   141c0: m= 0 pc=40f3d2 sp=7fffffffe120 up=0 :0  xp=0 :0  r=
0 a=       0 # proc: runproc
   141bf: m= 0 pc=44df26 sp=7fffffffe1d0 up=0 :0  xp=67:8  r=
0 a=       0 # proc: sched: calling runproc
   141be: m= 0 pc=44df26 sp=7fffffffe1d0 up=0 :0  xp=67:8  r=
0 a=       0 # proc: sched
   141bd: m= 0 pc=40d2a0 sp=7fffffffe210 up=67:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: disable up
   141bc: m= 0 pc=40d2a0 sp=7fffffffe210 up=67:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: up still active
   141bb: m= 0 pc=40d2a0 sp=7fffffffe210 up=67:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: start
   141ba: m= 0 pc=40c269 sp=2aaaedeec918 up=67:8  xp=0 :0
r=2aaabb71dd60 a=       0 # proc: sleep: going sched
   141b9: m= 0 pc=40c269 sp=2aaaedeec918 up=67:8  xp=0 :0
r=2aaabb71dd60 a=       0 # proc: sleep: unlock r
   141b8: m= 0 pc=40c269 sp=2aaaedeec918 up=67:8  xp=0 :0
r=2aaabb71dd60 a=       0 # proc: sleep: unlock up
   141b7: m= 0 pc=40c269 sp=2aaaedeec918 up=67:8  xp=0 :0
r=2aaabb71dd60 a=       0 # proc: sleep: sleeping
   141b6: m= 0 pc=40c269 sp=2aaaedeec918 up=67:4  xp=0 :0
r=2aaabb71dd60 a=       2 # proc: sleep: condition
   141b5: m= 0 pc=40c269 sp=2aaaedeec918 up=67:4  xp=0 :0
r=2aaabb71dd60 a=       0 # proc: sleep: lock up
   141b4: m= 0 pc=40c269 sp=2aaaedeec918 up=67:4  xp=0 :0
r=2aaabb71dd60 a=       0 # proc: sleep: lock r
   141b3: m= 0 pc=40c269 sp=2aaaedeec918 up=67:4  xp=0 :0
r=2aaabb71dd60 a=       0 # proc: sleep
   141b2: m= 0 pc=40c519 sp=2aaaedeec978 up=67:4  xp=0 :0  r=
0 a=    1091 # kcall: sleep
   141b1: m= 0 pc=40c101 sp=2aaaedeec938 up=67:4  xp=0 :0  r=
983360 a=       0 # proc: wakeup: done
   141b0: m= 0 pc=40c101 sp=2aaaedeec938 up=67:4  xp=0 :0  r=
983360 a=       0 # proc: wakeup: unlock r
   141af: m= 0 pc=40c101 sp=2aaaedeec938 up=67:4  xp=0 :0  r=
983360 a=       0 # proc: wakeup: lock r
   141ae: m= 0 pc=40c101 sp=2aaaedeec938 up=67:4  xp=0 :0  r=
983360 a=       0 # proc: wakeup
   141ad: m= 0 pc=     0 sp=2aaaedeec978 up=67:4  xp=4 :4  r=
983360 a=    1091 # kcall: wakeup
   141ac: m= 0 pc=40c519 sp=2aaaedeec978 up=67:4  xp=0 :0  r=
0 a=    1091 # kcall: call
   141ab: m= 0 pc=40c5e2 sp=2aaaedeec8a8 up=67:4  xp=0 :0  r=
0 a=    1090 # kcall: done
   141aa: m= 0 pc=40c5e2 sp=2aaaedeec8a8 up=67:4  xp=0 :0  r=
0 a=    1090 # kcall: release
   141a9: m= 0 pc=40c101 sp=2aaaedeec868 up=67:4  xp=4 :4  r=
983360 a=       0 # proc: wakeup: done
   141a8: m= 0 pc=40c101 sp=2aaaedeec868 up=67:4  xp=4 :4  r=
983360 a=       0 # proc: wakeup: unlock r
   141a7: m= 0 pc=40c101 sp=2aaaedeec868 up=67:4  xp=4 :4  r=
983360 a=       0 # proc: wakeup: unlock p
   141a6: m= 0 pc=44fd4b sp=2aaaedeec838 up=67:4  xp=4 :4  r=
0 a=       0 # kproc: ready: done
   141a5: m= 6 pc=44e1a9 sp=    54b05020 up=0 :0  xp=0 :0  r=
0 a=       0 # kproc: runproc: psleep
   141a4: m= 4 pc=40be22 sp=2aaaece5af08 up=4 :4  xp=0 :0  r=
983360 a=       0 # proc: sleep: lock r
   141a3: m= 6 pc=44e1a9 sp=    54b05020 up=0 :0  xp=0 :0  r=
0 a=       0 # kproc: runproc: search
   141a2: m= 4 pc=40be22 sp=2aaaece5af08 up=4 :4  xp=0 :0  r=
983360 a=       0 # proc: sleep
   141a1: m= 4 pc=     0 sp=2aaaece5af68 up=4 :4  xp=0 :0  r=
983360 a=     380 # kserver: wait
   141a0: m= 4 pc=40bfbe sp=2aaaece5af28 up=4 :4  xp=0 :0
r=2aaabb71dd60 a=       0 # proc: wakeup: done
   1419f: m= 4 pc=40bfbe sp=2aaaece5af28 up=4 :4  xp=0 :0
r=2aaabb71dd60 a=       0 # proc: wakeup: unlock r
   1419e: m= 4 pc=40bfbe sp=2aaaece5af28 up=4 :4  xp=0 :0
r=2aaabb71dd60 a=       0 # proc: wakeup: lock r
   1419d: m= 4 pc=40bfbe sp=2aaaece5af28 up=4 :4  xp=0 :0
r=2aaabb71dd60 a=       0 # proc: wakeup
   1419c: m= 4 pc=     0 sp=2aaaece5af68 up=4 :4  xp=67:4  r=
983360 a=    1090 # kserver: done
   1419b: m= 4 pc=     0 sp=2aaaece5af68 up=4 :4  xp=67:4  r=
983360 a=    1090 # kserver: serve
   1419a: m= 4 pc=40be22 sp=2aaaece5af08 up=4 :4  xp=0 :0  r=
983360 a=       0 # proc: sleep: done
   14199: m= 4 pc=40be22 sp=2aaaece5af08 up=4 :4  xp=0 :0  r=
983360 a=       0 # proc: sleep: awakened
   14198: m= 4 pc=44df26 sp=    53003070 up=4 :4  xp=4 :4  r=
0 a=       0 # proc: sched: switch
   14197: m= 4 pc=44df26 sp=    53003070 up=0 :0  xp=4 :2  r=
0 a=       0 # proc: sched: found
   14196: m= 4 pc=44e1a9 sp=    53003020 up=0 :0  xp=4 :2  r=
0 a=       0 # kproc: runproc: found
   14195: m= 4 pc=44e1a9 sp=    53003020 up=0 :0  xp=4 :2  r=
0 a=       0 # kproc: runproc: p removed from kqueue
   14194: m= 4 pc=44e1a9 sp=    53003020 up=0 :0  xp=4 :2  r=
0 a=       0 # kproc: runproc: remove p from kqueue
   14193: m= 4 pc=44e1a9 sp=    53003020 up=0 :0  xp=0 :0  r=
0 a=       0 # kproc: runproc: psleep: done
   14192: m= 0 pc=44fd4b sp=2aaaedeec838 up=67:4  xp=4 :2  r=
0 a=       0 # kproc: ready: pwakeup: done
   14191: m= 6 pc=44e1a9 sp=    54b05020 up=0 :0  xp=0 :0  r=
0 a=       0 # kproc: runproc
   14190: m= 6 pc=44df26 sp=    54b05070 up=0 :0  xp=49:8  r=
0 a=       0 # proc: sched: calling runproc
   1418f: m= 6 pc=44df26 sp=    54b05070 up=0 :0  xp=49:8  r=
0 a=       0 # proc: sched
   1418e: m= 6 pc=40e41b sp=    54b050b0 up=49:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: disable up
   1418d: m= 6 pc=40e41b sp=    54b050b0 up=49:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: up still active
   1418c: m= 6 pc=40e41b sp=    54b050b0 up=49:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: start
   1418b: m= 0 pc=44fd4b sp=2aaaedeec838 up=67:4  xp=4 :2  r=
0 a=       0 # kproc: ready: pwakeup
   1418a: m= 6 pc=40be22 sp=2aaaeda67f08 up=49:8  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep: going sched
   14189: m= 0 pc=44fd4b sp=2aaaedeec838 up=67:4  xp=4 :8  r=
0 a=       0 # kproc: ready
   14188: m= 6 pc=40be22 sp=2aaaeda67f08 up=49:8  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep: unlock r
   14187: m= 0 pc=40c101 sp=2aaaedeec868 up=67:4  xp=4 :8  r=
983360 a=       0 # proc: wakeup: ready p
   14186: m= 6 pc=40be22 sp=2aaaeda67f08 up=49:8  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep: unlock up
   14185: m= 0 pc=40c101 sp=2aaaedeec868 up=67:4  xp=4 :8  r=
983360 a=       0 # proc: wakeup: lock p
   14184: m= 0 pc=40c101 sp=2aaaedeec868 up=67:4  xp=0 :0  r=
983360 a=       0 # proc: wakeup: lock r
   14183: m= 0 pc=40c101 sp=2aaaedeec868 up=67:4  xp=0 :0  r=
983360 a=       0 # proc: wakeup
   14182: m= 6 pc=40be22 sp=2aaaeda67f08 up=49:8  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep: sleeping
   14181: m= 0 pc=     0 sp=2aaaedeec8a8 up=67:4  xp=4 :8  r=
983360 a=    1090 # kcall: wakeup
   14180: m= 6 pc=40be22 sp=2aaaeda67f08 up=49:4  xp=0 :0  r=
9c40f0 a=       2 # proc: sleep: condition
   1417f: m= 0 pc=40c5e2 sp=2aaaedeec8a8 up=67:4  xp=0 :0  r=
0 a=    1090 # kcall: call
   1417e: m= 6 pc=40be22 sp=2aaaeda67f08 up=49:4  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep: lock up
   1417d: m= 6 pc=40be22 sp=2aaaeda67f08 up=49:4  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep: lock r
   1417c: m= 6 pc=40be22 sp=2aaaeda67f08 up=49:4  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep
   1417b: m= 6 pc=     0 sp=2aaaeda67f68 up=49:4  xp=0 :0  r=
9c40f0 a=     203 # kserver: wait
   1417a: m= 6 pc=40bfbe sp=2aaaeda67f28 up=49:4  xp=68:2
r=2aaabb7afd08 a=       0 # proc: wakeup: done
   14179: m= 0 pc=40c39d sp=2aaaedeec868 up=67:4  xp=0 :0  r=
0 a=    1087 # kcall: done
   14178: m= 6 pc=40bfbe sp=2aaaeda67f28 up=49:4  xp=68:2
r=2aaabb7afd08 a=       0 # proc: wakeup: unlock r
   14177: m= 0 pc=40c39d sp=2aaaedeec868 up=67:4  xp=0 :0  r=
0 a=    1087 # kcall: release
   14176: m= 6 pc=40bfbe sp=2aaaeda67f28 up=49:4  xp=68:2
r=2aaabb7afd08 a=       0 # proc: wakeup: unlock p
   14175: m= 0 pc=40c269 sp=2aaaedeec808 up=67:4  xp=0 :0
r=2aaabb71dd60 a=       0 # proc: sleep: done
   14174: m= 6 pc=40f22e sp=2aaaeda67ed8 up=49:4  xp=0 :0  r=
0 a=       0 # kproc: done
   14173: m= 6 pc=40f22e sp=2aaaeda67ed8 up=49:4  xp=0 :0  r=
0 a=       0 # kproc: kick
   14172: m= 6 pc=44fd4b sp=2aaaeda67eb8 up=49:4  xp=68:2  r=
0 a=       0 # proc: ready: done
   14171: m= 0 pc=40c269 sp=2aaaedeec808 up=67:4  xp=0 :0
r=2aaabb71dd60 a=       0 # proc: sleep: awakened
   14170: m= 6 pc=44e9da sp=2aaaeda67e78 up=49:4  xp=68:2  r=
0 a=       0 # proc: queue: done
   1416f: m= 6 pc=44e9da sp=2aaaeda67e78 up=49:4  xp=68:2  r=
0 a=       0 # proc: queue
   1416e: m= 6 pc=44fd4b sp=2aaaeda67eb8 up=49:4  xp=68:8  r=
0 a=       0 # proc: ready
   1416d: m= 6 pc=40bfbe sp=2aaaeda67f28 up=49:4  xp=68:8
r=2aaabb7afd08 a=       0 # proc: wakeup: ready p
   1416c: m= 6 pc=40bfbe sp=2aaaeda67f28 up=49:4  xp=68:8
r=2aaabb7afd08 a=       0 # proc: wakeup: lock p
   1416b: m= 6 pc=40bfbe sp=2aaaeda67f28 up=49:4  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: wakeup: lock r
   1416a: m= 0 pc=44df26 sp=7fffffffe1d0 up=67:4  xp=68:8  r=
0 a=       0 # proc: sched: switch
   14169: m= 6 pc=40bfbe sp=2aaaeda67f28 up=49:4  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: wakeup
   14168: m= 6 pc=     0 sp=2aaaeda67f68 up=49:4  xp=68:8  r=
9c40f0 a=    1089 # kserver: done
   14167: m= 0 pc=44df26 sp=7fffffffe1d0 up=0 :0  xp=67:3  r=
0 a=       0 # proc: sched: found
   14166: m= 0 pc=40f3d2 sp=7fffffffe120 up=0 :0  xp=67:3  r=
0 a=       0 # proc: runproc: done
   14165: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=67:2  r=
0 a=       0 # proc: dequeue: done
   14164: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=67:2  r=
0 a=       0 # proc: dequeue
   14163: m= 6 pc=     0 sp=2aaaeda67f68 up=49:4  xp=68:8  r=
9c40f0 a=    1089 # kserver: serve
   14162: m= 6 pc=40be22 sp=2aaaeda67f08 up=49:4  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep: done
   14161: m= 6 pc=40be22 sp=2aaaeda67f08 up=49:4  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep: awakened
   14160: m= 0 pc=40f3d2 sp=7fffffffe120 up=0 :0  xp=0 :0  r=
0 a=       0 # proc: runproc
   1415f: m= 6 pc=44df26 sp=    54b05070 up=49:4  xp=0 :0  r=
0 a=       0 # proc: sched: switch
   1415e: m= 0 pc=44df26 sp=7fffffffe1d0 up=0 :0  xp=68:8  r=
0 a=       0 # proc: sched: calling runproc
   1415d: m= 0 pc=44df26 sp=7fffffffe1d0 up=0 :0  xp=68:8  r=
0 a=       0 # proc: sched
   1415c: m= 0 pc=40d2a0 sp=7fffffffe210 up=68:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: disable up
   1415b: m= 0 pc=40d2a0 sp=7fffffffe210 up=68:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: up still active
   1415a: m= 0 pc=40d2a0 sp=7fffffffe210 up=68:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: start
   14159: m= 0 pc=40c269 sp=2aaaedfeda38 up=68:8  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: sleep: going sched
   14158: m= 6 pc=44df26 sp=    54b05070 up=0 :0  xp=49:2  r=
0 a=       0 # proc: sched: found
   14157: m= 0 pc=40c269 sp=2aaaedfeda38 up=68:8  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: sleep: unlock r
   14156: m= 6 pc=44e1a9 sp=    54b05020 up=0 :0  xp=49:2  r=
0 a=       0 # kproc: runproc: found
   14155: m= 0 pc=40c269 sp=2aaaedfeda38 up=68:8  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: sleep: unlock up
   14154: m= 6 pc=44e1a9 sp=    54b05020 up=0 :0  xp=49:2  r=
0 a=       0 # kproc: runproc: p removed from kqueue
   14153: m= 6 pc=44e1a9 sp=    54b05020 up=0 :0  xp=49:2  r=
0 a=       0 # kproc: runproc: remove p from kqueue
   14152: m= 6 pc=44e1a9 sp=    54b05020 up=0 :0  xp=0 :0  r=
0 a=       0 # kproc: runproc: psleep: done
   14151: m= 0 pc=40c269 sp=2aaaedfeda38 up=68:8  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: sleep: sleeping
   14150: m= 0 pc=40c269 sp=2aaaedfeda38 up=68:4  xp=0 :0
r=2aaabb7afd08 a=       2 # proc: sleep: condition
   1414f: m= 0 pc=40c269 sp=2aaaedfeda38 up=68:4  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: sleep: lock up
   1414e: m= 0 pc=40c269 sp=2aaaedfeda38 up=68:4  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: sleep: lock r
   1414d: m= 0 pc=40c269 sp=2aaaedfeda38 up=68:4  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: sleep
   1414c: m= 0 pc=40c5e2 sp=2aaaedfeda98 up=68:4  xp=0 :0  r=
0 a=    1089 # kcall: sleep
   1414b: m= 0 pc=40c101 sp=2aaaedfeda58 up=68:4  xp=49:2  r=
9c40f0 a=       0 # proc: wakeup: done
   1414a: m= 0 pc=40c101 sp=2aaaedfeda58 up=68:4  xp=49:2  r=
9c40f0 a=       0 # proc: wakeup: unlock r
   14149: m= 0 pc=40c101 sp=2aaaedfeda58 up=68:4  xp=49:2  r=
9c40f0 a=       0 # proc: wakeup: unlock p
   14148: m= 0 pc=44fd4b sp=2aaaedfeda28 up=68:4  xp=49:2  r=
0 a=       0 # kproc: ready: done
   14147: m= 0 pc=44fd4b sp=2aaaedfeda28 up=68:4  xp=49:2  r=
0 a=       0 # kproc: ready: pwakeup: done
   14146: m= 0 pc=44fd4b sp=2aaaedfeda28 up=68:4  xp=49:2  r=
0 a=       0 # kproc: ready: pwakeup
   14145: m= 0 pc=44fd4b sp=2aaaedfeda28 up=68:4  xp=49:8  r=
0 a=       0 # kproc: ready
   14144: m= 0 pc=40c101 sp=2aaaedfeda58 up=68:4  xp=49:8  r=
9c40f0 a=       0 # proc: wakeup: ready p
   14143: m= 0 pc=40c101 sp=2aaaedfeda58 up=68:4  xp=49:8  r=
9c40f0 a=       0 # proc: wakeup: lock p
   14142: m= 0 pc=40c101 sp=2aaaedfeda58 up=68:4  xp=0 :0  r=
9c40f0 a=       0 # proc: wakeup: lock r
   14141: m= 0 pc=40c101 sp=2aaaedfeda58 up=68:4  xp=0 :0  r=
9c40f0 a=       0 # proc: wakeup
   14140: m= 0 pc=     0 sp=2aaaedfeda98 up=68:4  xp=49:8  r=
9c40f0 a=    1089 # kcall: wakeup
   1413f: m= 0 pc=40c5e2 sp=2aaaedfeda98 up=68:4  xp=0 :0  r=
0 a=    1089 # kcall: call
   1413e: m= 6 pc=44e1a9 sp=    54b05020 up=0 :0  xp=0 :0  r=
0 a=       0 # kproc: runproc: psleep
   1413d: m= 6 pc=44e1a9 sp=    54b05020 up=0 :0  xp=0 :0  r=
0 a=       0 # kproc: runproc: psleep: done
   1413c: m= 4 pc=44e1a9 sp=    53003020 up=0 :0  xp=0 :0  r=
0 a=       0 # kproc: runproc: psleep
   1413b: m= 4 pc=44e1a9 sp=    53003020 up=0 :0  xp=0 :0  r=
0 a=       0 # kproc: runproc: psleep: done
   1413a: m= 5 pc=44e1a9 sp=    53c04020 up=0 :0  xp=0 :0  r=
0 a=       0 # kproc: runproc: psleep
   14139: m= 5 pc=44e1a9 sp=    53c04020 up=0 :0  xp=0 :0  r=
0 a=       0 # kproc: runproc: search
   14138: m= 1 pc=44e1a9 sp=    50b00020 up=0 :0  xp=0 :0  r=
0 a=       0 # kproc: runproc: psleep
   14137: m= 1 pc=44e1a9 sp=    50b00020 up=0 :0  xp=0 :0  r=
0 a=       0 # kproc: runproc: search
   14136: m= 1 pc=44e1a9 sp=    50b00020 up=0 :0  xp=0 :0  r=
0 a=       0 # kproc: runproc
   14135: m= 1 pc=44df26 sp=    50b00070 up=0 :0  xp=8 :8  r=
0 a=       0 # proc: sched: calling runproc
   14134: m= 1 pc=44df26 sp=    50b00070 up=0 :0  xp=8 :8  r=
0 a=       0 # proc: sched
   14133: m= 1 pc=40e41b sp=    50b000b0 up=8 :8  xp=0 :0  r=
0 a=       0 # proc: schedinit: disable up
   14132: m= 1 pc=40e41b sp=    50b000b0 up=8 :8  xp=0 :0  r=
0 a=       0 # proc: schedinit: up still active
   14131: m= 1 pc=40e41b sp=    50b000b0 up=8 :8  xp=0 :0  r=
0 a=       0 # proc: schedinit: start
   14130: m= 1 pc=40be22 sp=2aaaed2dff08 up=8 :8  xp=0 :0  r=
9a8340 a=       0 # proc: sleep: going sched
   1412f: m= 1 pc=40be22 sp=2aaaed2dff08 up=8 :8  xp=0 :0  r=
9a8340 a=       0 # proc: sleep: unlock r
   1412e: m= 1 pc=40be22 sp=2aaaed2dff08 up=8 :8  xp=0 :0  r=
9a8340 a=       0 # proc: sleep: unlock up
   1412d: m= 1 pc=40be22 sp=2aaaed2dff08 up=8 :8  xp=0 :0  r=
9a8340 a=       0 # proc: sleep: sleeping
   1412c: m= 1 pc=40be22 sp=2aaaed2dff08 up=8 :4  xp=0 :0  r=
9a8340 a=       2 # proc: sleep: condition
   1412b: m= 1 pc=40be22 sp=2aaaed2dff08 up=8 :4  xp=0 :0  r=
9a8340 a=       0 # proc: sleep: lock up
   1412a: m= 1 pc=40be22 sp=2aaaed2dff08 up=8 :4  xp=0 :0  r=
9a8340 a=       0 # proc: sleep: lock r
   14129: m= 1 pc=40be22 sp=2aaaed2dff08 up=8 :4  xp=0 :0  r=
9a8340 a=       0 # proc: sleep
   14128: m= 1 pc=     0 sp=2aaaed2dff68 up=8 :4  xp=0 :0  r=
9a8340 a=     444 # kserver: wait
   14127: m= 1 pc=40bfbe sp=2aaaed2dff28 up=8 :4  xp=66:2
r=2aaabb68bdb8 a=       0 # proc: wakeup: done
   14126: m= 1 pc=40bfbe sp=2aaaed2dff28 up=8 :4  xp=66:2
r=2aaabb68bdb8 a=       0 # proc: wakeup: unlock r
   14125: m= 1 pc=40bfbe sp=2aaaed2dff28 up=8 :4  xp=66:2
r=2aaabb68bdb8 a=       0 # proc: wakeup: unlock p
   14124: m= 1 pc=40f22e sp=2aaaed2dfed8 up=8 :4  xp=0 :0  r=
0 a=       0 # kproc: done
   14123: m= 1 pc=40f22e sp=2aaaed2dfed8 up=8 :4  xp=0 :0  r=
0 a=       0 # kproc: kick
   14122: m= 1 pc=44fd4b sp=2aaaed2dfeb8 up=8 :4  xp=66:2  r=
0 a=       0 # proc: ready: done
   14121: m= 1 pc=44e9da sp=2aaaed2dfe78 up=8 :4  xp=66:2  r=
0 a=       0 # proc: queue: done
   14120: m= 1 pc=44e9da sp=2aaaed2dfe78 up=8 :4  xp=66:2  r=
0 a=       0 # proc: queue
   1411f: m= 1 pc=44fd4b sp=2aaaed2dfeb8 up=8 :4  xp=66:8  r=
0 a=       0 # proc: ready
   1411e: m= 1 pc=40bfbe sp=2aaaed2dff28 up=8 :4  xp=66:8
r=2aaabb68bdb8 a=       0 # proc: wakeup: ready p
   1411d: m= 1 pc=40bfbe sp=2aaaed2dff28 up=8 :4  xp=66:8
r=2aaabb68bdb8 a=       0 # proc: wakeup: lock p
   1411c: m= 1 pc=40bfbe sp=2aaaed2dff28 up=8 :4  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: wakeup: lock r
   1411b: m= 1 pc=40bfbe sp=2aaaed2dff28 up=8 :4  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: wakeup
   1411a: m= 1 pc=     0 sp=2aaaed2dff68 up=8 :4  xp=66:8  r=
9a8340 a=    1088 # kserver: done
   14119: m= 1 pc=     0 sp=2aaaed2dff68 up=8 :4  xp=66:8  r=
9a8340 a=    1088 # kserver: serve
   14118: m= 1 pc=40be22 sp=2aaaed2dff08 up=8 :4  xp=0 :0  r=
9a8340 a=       0 # proc: sleep: done
   14117: m= 1 pc=40be22 sp=2aaaed2dff08 up=8 :4  xp=0 :0  r=
9a8340 a=       0 # proc: sleep: awakened
   14116: m= 0 pc=40c519 sp=2aaaedfed978 up=68:4  xp=0 :0  r=
0 a=    1086 # kcall: done
   14115: m= 1 pc=44df26 sp=    50b00070 up=8 :4  xp=4 :8  r=
0 a=       0 # proc: sched: switch
   14114: m= 0 pc=40c519 sp=2aaaedfed978 up=68:4  xp=0 :0  r=
0 a=    1086 # kcall: release
   14113: m= 0 pc=40c269 sp=2aaaedfed918 up=68:4  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: sleep: done
   14112: m= 0 pc=40c269 sp=2aaaedfed918 up=68:4  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: sleep: awakened
   14111: m= 1 pc=44df26 sp=    50b00070 up=0 :0  xp=8 :2  r=
0 a=       0 # proc: sched: found
   14110: m= 1 pc=44e1a9 sp=    50b00020 up=0 :0  xp=8 :2  r=
0 a=       0 # kproc: runproc: found
   1410f: m= 0 pc=44df26 sp=7fffffffe1d0 up=68:4  xp=66:8  r=
0 a=       0 # proc: sched: switch
   1410e: m= 1 pc=44e1a9 sp=    50b00020 up=0 :0  xp=8 :2  r=
0 a=       0 # kproc: runproc: p removed from kqueue
   1410d: m= 1 pc=44e1a9 sp=    50b00020 up=0 :0  xp=8 :2  r=
0 a=       0 # kproc: runproc: remove p from kqueue
   1410c: m= 1 pc=44e1a9 sp=    50b00020 up=0 :0  xp=0 :0  r=
0 a=       0 # kproc: runproc: search
   1410b: m= 1 pc=44e1a9 sp=    50b00020 up=0 :0  xp=0 :0  r=
0 a=       0 # kproc: runproc
   1410a: m= 1 pc=44df26 sp=    50b00070 up=0 :0  xp=4 :8  r=
0 a=       0 # proc: sched: calling runproc
   14109: m= 1 pc=44df26 sp=    50b00070 up=0 :0  xp=4 :8  r=
0 a=       0 # proc: sched
   14108: m= 1 pc=40e41b sp=    50b000b0 up=4 :8  xp=0 :0  r=
0 a=       0 # proc: schedinit: disable up
   14107: m= 0 pc=44df26 sp=7fffffffe1d0 up=0 :0  xp=68:3  r=
0 a=       0 # proc: sched: found
   14106: m= 1 pc=40e41b sp=    50b000b0 up=4 :8  xp=0 :0  r=
0 a=       0 # proc: schedinit: up still active
   14105: m= 0 pc=40f3d2 sp=7fffffffe120 up=0 :0  xp=68:3  r=
0 a=       0 # proc: runproc: done
   14104: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=68:2  r=
0 a=       0 # proc: dequeue: done
   14103: m= 1 pc=40e41b sp=    50b000b0 up=4 :8  xp=0 :0  r=
0 a=       0 # proc: schedinit: start
   14102: m= 1 pc=40be22 sp=2aaaece5af08 up=4 :8  xp=0 :0  r=
983360 a=       0 # proc: sleep: going sched
   14101: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=68:2  r=
0 a=       0 # proc: dequeue
   14100: m= 1 pc=40be22 sp=2aaaece5af08 up=4 :8  xp=0 :0  r=
983360 a=       0 # proc: sleep: unlock r
   140ff: m= 1 pc=40be22 sp=2aaaece5af08 up=4 :8  xp=0 :0  r=
983360 a=       0 # proc: sleep: unlock up
   140fe: m= 0 pc=40f3d2 sp=7fffffffe120 up=0 :0  xp=0 :0  r=
0 a=       0 # proc: runproc
   140fd: m= 0 pc=44df26 sp=7fffffffe1d0 up=0 :0  xp=66:8  r=
0 a=       0 # proc: sched: calling runproc
   140fc: m= 1 pc=40be22 sp=2aaaece5af08 up=4 :8  xp=0 :0  r=
983360 a=       0 # proc: sleep: sleeping
   140fb: m= 0 pc=44df26 sp=7fffffffe1d0 up=0 :0  xp=66:8  r=
0 a=       0 # proc: sched
   140fa: m= 1 pc=40be22 sp=2aaaece5af08 up=4 :4  xp=0 :0  r=
983360 a=       2 # proc: sleep: condition
   140f9: m= 0 pc=40d2a0 sp=7fffffffe210 up=66:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: disable up
   140f8: m= 1 pc=40be22 sp=2aaaece5af08 up=4 :4  xp=0 :0  r=
983360 a=       0 # proc: sleep: lock up
   140f7: m= 1 pc=40be22 sp=2aaaece5af08 up=4 :4  xp=0 :0  r=
983360 a=       0 # proc: sleep: lock r
   140f6: m= 1 pc=40be22 sp=2aaaece5af08 up=4 :4  xp=0 :0  r=
983360 a=       0 # proc: sleep
   140f5: m= 0 pc=40d2a0 sp=7fffffffe210 up=66:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: up still active
   140f4: m= 1 pc=     0 sp=2aaaece5af68 up=4 :4  xp=0 :0  r=
983360 a=     379 # kserver: wait
   140f3: m= 0 pc=40d2a0 sp=7fffffffe210 up=66:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: start
   140f2: m= 1 pc=40bfbe sp=2aaaece5af28 up=4 :4  xp=67:2
r=2aaabb71dd60 a=       0 # proc: wakeup: done
   140f1: m= 0 pc=40c269 sp=2aaaeddeba88 up=66:8  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: sleep: going sched
   140f0: m= 0 pc=40c269 sp=2aaaeddeba88 up=66:8  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: sleep: unlock r
   140ef: m= 1 pc=40bfbe sp=2aaaece5af28 up=4 :4  xp=67:2
r=2aaabb71dd60 a=       0 # proc: wakeup: unlock r
   140ee: m= 0 pc=40c269 sp=2aaaeddeba88 up=66:8  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: sleep: unlock up
   140ed: m= 1 pc=40bfbe sp=2aaaece5af28 up=4 :4  xp=67:2
r=2aaabb71dd60 a=       0 # proc: wakeup: unlock p
   140ec: m= 1 pc=40f22e sp=2aaaece5aed8 up=4 :4  xp=0 :0  r=
0 a=       0 # kproc: done
   140eb: m= 1 pc=40f22e sp=2aaaece5aed8 up=4 :4  xp=0 :0  r=
0 a=       0 # kproc: kick
   140ea: m= 0 pc=40c269 sp=2aaaeddeba88 up=66:8  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: sleep: sleeping
   140e9: m= 1 pc=44fd4b sp=2aaaece5aeb8 up=4 :4  xp=67:2  r=
0 a=       0 # proc: ready: done
   140e8: m= 0 pc=40c269 sp=2aaaeddeba88 up=66:4  xp=0 :0
r=2aaabb68bdb8 a=       2 # proc: sleep: condition
   140e7: m= 1 pc=44e9da sp=2aaaece5ae78 up=4 :4  xp=67:2  r=
0 a=       0 # proc: queue: done
   140e6: m= 0 pc=40c269 sp=2aaaeddeba88 up=66:4  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: sleep: lock up
   140e5: m= 1 pc=44e9da sp=2aaaece5ae78 up=4 :4  xp=67:2  r=
0 a=       0 # proc: queue
   140e4: m= 0 pc=40c269 sp=2aaaeddeba88 up=66:4  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: sleep: lock r
   140e3: m= 0 pc=40c269 sp=2aaaeddeba88 up=66:4  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: sleep
   140e2: m= 0 pc=40c88b sp=2aaaeddebae8 up=66:4  xp=0 :0  r=
0 a=    1088 # kcall: sleep
   140e1: m= 0 pc=40c101 sp=2aaaeddebaa8 up=66:4  xp=8 :2  r=
9a8340 a=       0 # proc: wakeup: done
   140e0: m= 1 pc=44fd4b sp=2aaaece5aeb8 up=4 :4  xp=67:8  r=
0 a=       0 # proc: ready
   140df: m= 1 pc=40bfbe sp=2aaaece5af28 up=4 :4  xp=67:8
r=2aaabb71dd60 a=       0 # proc: wakeup: ready p
   140de: m= 0 pc=40c101 sp=2aaaeddebaa8 up=66:4  xp=8 :2  r=
9a8340 a=       0 # proc: wakeup: unlock r
   140dd: m= 0 pc=40c101 sp=2aaaeddebaa8 up=66:4  xp=8 :2  r=
9a8340 a=       0 # proc: wakeup: unlock p
   140dc: m= 1 pc=40bfbe sp=2aaaece5af28 up=4 :4  xp=67:8
r=2aaabb71dd60 a=       0 # proc: wakeup: lock p
   140db: m= 0 pc=44fd4b sp=2aaaeddeba78 up=66:4  xp=8 :2  r=
0 a=       0 # kproc: ready: done
   140da: m= 1 pc=40bfbe sp=2aaaece5af28 up=4 :4  xp=0 :0
r=2aaabb71dd60 a=       0 # proc: wakeup: lock r
   140d9: m= 1 pc=40bfbe sp=2aaaece5af28 up=4 :4  xp=0 :0
r=2aaabb71dd60 a=       0 # proc: wakeup
   140d8: m= 0 pc=44fd4b sp=2aaaeddeba78 up=66:4  xp=8 :2  r=
0 a=       0 # kproc: ready: pwakeup: done
   140d7: m= 1 pc=     0 sp=2aaaece5af68 up=4 :4  xp=67:8  r=
983360 a=    1087 # kserver: done
   140d6: m= 0 pc=44fd4b sp=2aaaeddeba78 up=66:4  xp=8 :2  r=
0 a=       0 # kproc: ready: pwakeup
   140d5: m= 0 pc=44fd4b sp=2aaaeddeba78 up=66:4  xp=8 :8  r=
0 a=       0 # kproc: ready
   140d4: m= 0 pc=40c101 sp=2aaaeddebaa8 up=66:4  xp=8 :8  r=
9a8340 a=       0 # proc: wakeup: ready p
   140d3: m= 0 pc=40c101 sp=2aaaeddebaa8 up=66:4  xp=8 :8  r=
9a8340 a=       0 # proc: wakeup: lock p
   140d2: m= 0 pc=40c101 sp=2aaaeddebaa8 up=66:4  xp=0 :0  r=
9a8340 a=       0 # proc: wakeup: lock r
   140d1: m= 0 pc=40c101 sp=2aaaeddebaa8 up=66:4  xp=0 :0  r=
9a8340 a=       0 # proc: wakeup
   140d0: m= 0 pc=     0 sp=2aaaeddebae8 up=66:4  xp=8 :8  r=
9a8340 a=    1088 # kcall: wakeup
   140cf: m= 0 pc=40c88b sp=2aaaeddebae8 up=66:4  xp=0 :0  r=
0 a=    1088 # kcall: call
   140ce: m= 0 pc=40c39d sp=2aaaeddeb878 up=66:4  xp=0 :0  r=
0 a=    1085 # kcall: done
   140cd: m= 0 pc=40c39d sp=2aaaeddeb878 up=66:4  xp=0 :0  r=
0 a=    1085 # kcall: release
   140cc: m= 0 pc=40c269 sp=2aaaeddeb818 up=66:4  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: sleep: done
   140cb: m= 0 pc=40c269 sp=2aaaeddeb818 up=66:4  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: sleep: awakened
   140ca: m= 0 pc=44df26 sp=7fffffffe1d0 up=66:4  xp=67:8  r=
0 a=       0 # proc: sched: switch
   140c9: m= 1 pc=     0 sp=2aaaece5af68 up=4 :4  xp=67:8  r=
983360 a=    1087 # kserver: serve
   140c8: m= 1 pc=40be22 sp=2aaaece5af08 up=4 :4  xp=0 :0  r=
983360 a=       0 # proc: sleep: done
   140c7: m= 1 pc=40be22 sp=2aaaece5af08 up=4 :4  xp=0 :0  r=
983360 a=       0 # proc: sleep: awakened
   140c6: m= 1 pc=44df26 sp=    50b00070 up=4 :4  xp=49:8  r=
0 a=       0 # proc: sched: switch
   140c5: m= 0 pc=44df26 sp=7fffffffe1d0 up=0 :0  xp=66:3  r=
0 a=       0 # proc: sched: found
   140c4: m= 0 pc=40f3d2 sp=7fffffffe120 up=0 :0  xp=66:3  r=
0 a=       0 # proc: runproc: done
   140c3: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=66:2  r=
0 a=       0 # proc: dequeue: done
   140c2: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=66:2  r=
0 a=       0 # proc: dequeue
   140c1: m= 1 pc=44df26 sp=    50b00070 up=0 :0  xp=4 :2  r=
0 a=       0 # proc: sched: found
   140c0: m= 1 pc=44e1a9 sp=    50b00020 up=0 :0  xp=4 :2  r=
0 a=       0 # kproc: runproc: found
   140bf: m= 1 pc=44e1a9 sp=    50b00020 up=0 :0  xp=4 :2  r=
0 a=       0 # kproc: runproc: p removed from kqueue
   140be: m= 0 pc=40f3d2 sp=7fffffffe120 up=0 :0  xp=0 :0  r=
0 a=       0 # proc: runproc
   140bd: m= 1 pc=44e1a9 sp=    50b00020 up=0 :0  xp=4 :2  r=
0 a=       0 # kproc: runproc: remove p from kqueue
   140bc: m= 0 pc=44df26 sp=7fffffffe1d0 up=0 :0  xp=67:8  r=
0 a=       0 # proc: sched: calling runproc
   140bb: m= 1 pc=44e1a9 sp=    50b00020 up=0 :0  xp=0 :0  r=
0 a=       0 # kproc: runproc: search
   140ba: m= 0 pc=44df26 sp=7fffffffe1d0 up=0 :0  xp=67:8  r=
0 a=       0 # proc: sched
   140b9: m= 1 pc=44e1a9 sp=    50b00020 up=0 :0  xp=0 :0  r=
0 a=       0 # kproc: runproc
   140b8: m= 1 pc=44df26 sp=    50b00070 up=0 :0  xp=49:8  r=
0 a=       0 # proc: sched: calling runproc
   140b7: m= 0 pc=40d2a0 sp=7fffffffe210 up=67:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: disable up
   140b6: m= 1 pc=44df26 sp=    50b00070 up=0 :0  xp=49:8  r=
0 a=       0 # proc: sched
   140b5: m= 1 pc=40e41b sp=    50b000b0 up=49:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: disable up
   140b4: m= 0 pc=40d2a0 sp=7fffffffe210 up=67:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: up still active
   140b3: m= 0 pc=40d2a0 sp=7fffffffe210 up=67:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: start
   140b2: m= 1 pc=40e41b sp=    50b000b0 up=49:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: up still active
   140b1: m= 0 pc=40c269 sp=2aaaedeec808 up=67:8  xp=0 :0
r=2aaabb71dd60 a=       0 # proc: sleep: going sched
   140b0: m= 1 pc=40e41b sp=    50b000b0 up=49:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: start
   140af: m= 0 pc=40c269 sp=2aaaedeec808 up=67:8  xp=0 :0
r=2aaabb71dd60 a=       0 # proc: sleep: unlock r
   140ae: m= 1 pc=40be22 sp=2aaaeda67f08 up=49:8  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep: going sched
   140ad: m= 0 pc=40c269 sp=2aaaedeec808 up=67:8  xp=0 :0
r=2aaabb71dd60 a=       0 # proc: sleep: unlock up
   140ac: m= 1 pc=40be22 sp=2aaaeda67f08 up=49:8  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep: unlock r
   140ab: m= 1 pc=40be22 sp=2aaaeda67f08 up=49:8  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep: unlock up
   140aa: m= 0 pc=40c269 sp=2aaaedeec808 up=67:8  xp=0 :0
r=2aaabb71dd60 a=       0 # proc: sleep: sleeping
   140a9: m= 0 pc=40c269 sp=2aaaedeec808 up=67:4  xp=0 :0
r=2aaabb71dd60 a=       2 # proc: sleep: condition
   140a8: m= 1 pc=40be22 sp=2aaaeda67f08 up=49:8  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep: sleeping
   140a7: m= 0 pc=40c269 sp=2aaaedeec808 up=67:4  xp=0 :0
r=2aaabb71dd60 a=       0 # proc: sleep: lock up
   140a6: m= 1 pc=40be22 sp=2aaaeda67f08 up=49:4  xp=0 :0  r=
9c40f0 a=       2 # proc: sleep: condition
   140a5: m= 0 pc=40c269 sp=2aaaedeec808 up=67:4  xp=0 :0
r=2aaabb71dd60 a=       0 # proc: sleep: lock r
   140a4: m= 1 pc=40be22 sp=2aaaeda67f08 up=49:4  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep: lock up
   140a3: m= 0 pc=40c269 sp=2aaaedeec808 up=67:4  xp=0 :0
r=2aaabb71dd60 a=       0 # proc: sleep
   140a2: m= 1 pc=40be22 sp=2aaaeda67f08 up=49:4  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep: lock r
   140a1: m= 0 pc=40c39d sp=2aaaedeec868 up=67:4  xp=0 :0  r=
0 a=    1087 # kcall: sleep
   140a0: m= 1 pc=40be22 sp=2aaaeda67f08 up=49:4  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep
   1409f: m= 1 pc=     0 sp=2aaaeda67f68 up=49:4  xp=0 :0  r=
9c40f0 a=     202 # kserver: wait
   1409e: m= 0 pc=40c101 sp=2aaaedeec828 up=67:4  xp=4 :2  r=
983360 a=       0 # proc: wakeup: done
   1409d: m= 1 pc=40bfbe sp=2aaaeda67f28 up=49:4  xp=68:2
r=2aaabb7afd08 a=       0 # proc: wakeup: done
   1409c: m= 0 pc=40c101 sp=2aaaedeec828 up=67:4  xp=4 :2  r=
983360 a=       0 # proc: wakeup: unlock r
   1409b: m= 0 pc=40c101 sp=2aaaedeec828 up=67:4  xp=4 :2  r=
983360 a=       0 # proc: wakeup: unlock p
   1409a: m= 1 pc=40bfbe sp=2aaaeda67f28 up=49:4  xp=68:2
r=2aaabb7afd08 a=       0 # proc: wakeup: unlock r
   14099: m= 0 pc=44fd4b sp=2aaaedeec7f8 up=67:4  xp=4 :2  r=
0 a=       0 # kproc: ready: done
   14098: m= 1 pc=40bfbe sp=2aaaeda67f28 up=49:4  xp=68:2
r=2aaabb7afd08 a=       0 # proc: wakeup: unlock p
   14097: m= 1 pc=40f22e sp=2aaaeda67ed8 up=49:4  xp=0 :0  r=
0 a=       0 # kproc: done
   14096: m= 0 pc=44fd4b sp=2aaaedeec7f8 up=67:4  xp=4 :2  r=
0 a=       0 # kproc: ready: pwakeup: done
   14095: m= 1 pc=40f22e sp=2aaaeda67ed8 up=49:4  xp=0 :0  r=
0 a=       0 # kproc: kick
   14094: m= 1 pc=44fd4b sp=2aaaeda67eb8 up=49:4  xp=68:2  r=
0 a=       0 # proc: ready: done
   14093: m= 1 pc=44e9da sp=2aaaeda67e78 up=49:4  xp=68:2  r=
0 a=       0 # proc: queue: done
   14092: m= 0 pc=44fd4b sp=2aaaedeec7f8 up=67:4  xp=4 :2  r=
0 a=       0 # kproc: ready: pwakeup
   14091: m= 1 pc=44e9da sp=2aaaeda67e78 up=49:4  xp=68:2  r=
0 a=       0 # proc: queue
   14090: m= 0 pc=44fd4b sp=2aaaedeec7f8 up=67:4  xp=4 :8  r=
0 a=       0 # kproc: ready
   1408f: m= 0 pc=40c101 sp=2aaaedeec828 up=67:4  xp=4 :8  r=
983360 a=       0 # proc: wakeup: ready p
   1408e: m= 0 pc=40c101 sp=2aaaedeec828 up=67:4  xp=4 :8  r=
983360 a=       0 # proc: wakeup: lock p
   1408d: m= 0 pc=40c101 sp=2aaaedeec828 up=67:4  xp=0 :0  r=
983360 a=       0 # proc: wakeup: lock r
   1408c: m= 1 pc=44fd4b sp=2aaaeda67eb8 up=49:4  xp=68:8  r=
0 a=       0 # proc: ready
   1408b: m= 0 pc=40c101 sp=2aaaedeec828 up=67:4  xp=0 :0  r=
983360 a=       0 # proc: wakeup
   1408a: m= 1 pc=40bfbe sp=2aaaeda67f28 up=49:4  xp=68:8
r=2aaabb7afd08 a=       0 # proc: wakeup: ready p
   14089: m= 0 pc=     0 sp=2aaaedeec868 up=67:4  xp=4 :8  r=
983360 a=    1087 # kcall: wakeup
   14088: m= 1 pc=40bfbe sp=2aaaeda67f28 up=49:4  xp=68:8
r=2aaabb7afd08 a=       0 # proc: wakeup: lock p
   14087: m= 0 pc=40c39d sp=2aaaedeec868 up=67:4  xp=0 :0  r=
0 a=    1087 # kcall: call
   14086: m= 1 pc=40bfbe sp=2aaaeda67f28 up=49:4  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: wakeup: lock r
   14085: m= 1 pc=40bfbe sp=2aaaeda67f28 up=49:4  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: wakeup
   14084: m= 1 pc=     0 sp=2aaaeda67f68 up=49:4  xp=68:8  r=
9c40f0 a=    1086 # kserver: done
   14083: m= 0 pc=40c39d sp=2aaaedeec868 up=67:4  xp=0 :0  r=
0 a=    1084 # kcall: done
   14082: m= 0 pc=40c39d sp=2aaaedeec868 up=67:4  xp=0 :0  r=
0 a=    1084 # kcall: release
   14081: m= 0 pc=40c269 sp=2aaaedeec808 up=67:4  xp=0 :0
r=2aaabb71dd60 a=       0 # proc: sleep: done
   14080: m= 0 pc=40c269 sp=2aaaedeec808 up=67:4  xp=0 :0
r=2aaabb71dd60 a=       0 # proc: sleep: awakened
   1407f: m= 0 pc=44df26 sp=7fffffffe1d0 up=67:4  xp=68:8  r=
0 a=       0 # proc: sched: switch
   1407e: m= 1 pc=     0 sp=2aaaeda67f68 up=49:4  xp=68:8  r=
9c40f0 a=    1086 # kserver: serve
   1407d: m= 1 pc=40be22 sp=2aaaeda67f08 up=49:4  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep: done
   1407c: m= 0 pc=44df26 sp=7fffffffe1d0 up=0 :0  xp=67:3  r=
0 a=       0 # proc: sched: found
   1407b: m= 1 pc=40be22 sp=2aaaeda67f08 up=49:4  xp=0 :0  r=
9c40f0 a=       0 # proc: sleep: awakened
   1407a: m= 0 pc=40f3d2 sp=7fffffffe120 up=0 :0  xp=67:3  r=
0 a=       0 # proc: runproc: done
   14079: m= 1 pc=44df26 sp=    50b00070 up=49:4  xp=8 :8  r=
0 a=       0 # proc: sched: switch
   14078: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=67:2  r=
0 a=       0 # proc: dequeue: done
   14077: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=67:2  r=
0 a=       0 # proc: dequeue
   14076: m= 0 pc=40f3d2 sp=7fffffffe120 up=0 :0  xp=0 :0  r=
0 a=       0 # proc: runproc
   14075: m= 0 pc=44df26 sp=7fffffffe1d0 up=0 :0  xp=68:8  r=
0 a=       0 # proc: sched: calling runproc
   14074: m= 1 pc=44df26 sp=    50b00070 up=0 :0  xp=49:2  r=
0 a=       0 # proc: sched: found
   14073: m= 0 pc=44df26 sp=7fffffffe1d0 up=0 :0  xp=68:8  r=
0 a=       0 # proc: sched
   14072: m= 1 pc=44e1a9 sp=    50b00020 up=0 :0  xp=49:2  r=
0 a=       0 # kproc: runproc: found
   14071: m= 0 pc=40d2a0 sp=7fffffffe210 up=68:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: disable up
   14070: m= 1 pc=44e1a9 sp=    50b00020 up=0 :0  xp=49:2  r=
0 a=       0 # kproc: runproc: p removed from kqueue
   1406f: m= 1 pc=44e1a9 sp=    50b00020 up=0 :0  xp=49:2  r=
0 a=       0 # kproc: runproc: remove p from kqueue
   1406e: m= 1 pc=44e1a9 sp=    50b00020 up=0 :0  xp=0 :0  r=
0 a=       0 # kproc: runproc: search
   1406d: m= 1 pc=44e1a9 sp=    50b00020 up=0 :0  xp=0 :0  r=
0 a=       0 # kproc: runproc
   1406c: m= 1 pc=44df26 sp=    50b00070 up=0 :0  xp=8 :8  r=
0 a=       0 # proc: sched: calling runproc
   1406b: m= 1 pc=44df26 sp=    50b00070 up=0 :0  xp=8 :8  r=
0 a=       0 # proc: sched
   1406a: m= 0 pc=40d2a0 sp=7fffffffe210 up=68:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: up still active
   14069: m= 1 pc=40e41b sp=    50b000b0 up=8 :8  xp=0 :0  r=
0 a=       0 # proc: schedinit: disable up
   14068: m= 0 pc=40d2a0 sp=7fffffffe210 up=68:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: start
   14067: m= 0 pc=40c269 sp=2aaaedfed918 up=68:8  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: sleep: going sched
   14066: m= 0 pc=40c269 sp=2aaaedfed918 up=68:8  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: sleep: unlock r
   14065: m= 0 pc=40c269 sp=2aaaedfed918 up=68:8  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: sleep: unlock up
   14064: m= 1 pc=40e41b sp=    50b000b0 up=8 :8  xp=0 :0  r=
0 a=       0 # proc: schedinit: up still active
   14063: m= 1 pc=40e41b sp=    50b000b0 up=8 :8  xp=0 :0  r=
0 a=       0 # proc: schedinit: start
   14062: m= 1 pc=40be22 sp=2aaaed2dff08 up=8 :8  xp=0 :0  r=
9a8340 a=       0 # proc: sleep: going sched
   14061: m= 1 pc=40be22 sp=2aaaed2dff08 up=8 :8  xp=0 :0  r=
9a8340 a=       0 # proc: sleep: unlock r
   14060: m= 0 pc=40c269 sp=2aaaedfed918 up=68:8  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: sleep: sleeping
   1405f: m= 1 pc=40be22 sp=2aaaed2dff08 up=8 :8  xp=0 :0  r=
9a8340 a=       0 # proc: sleep: unlock up
   1405e: m= 0 pc=40c269 sp=2aaaedfed918 up=68:4  xp=0 :0
r=2aaabb7afd08 a=       2 # proc: sleep: condition
   1405d: m= 0 pc=40c269 sp=2aaaedfed918 up=68:4  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: sleep: lock up
   1405c: m= 0 pc=40c269 sp=2aaaedfed918 up=68:4  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: sleep: lock r
   1405b: m= 0 pc=40c269 sp=2aaaedfed918 up=68:4  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: sleep
   1405a: m= 1 pc=40be22 sp=2aaaed2dff08 up=8 :8  xp=0 :0  r=
9a8340 a=       0 # proc: sleep: sleeping
   14059: m= 0 pc=40c519 sp=2aaaedfed978 up=68:4  xp=0 :0  r=
0 a=    1086 # kcall: sleep
   14058: m= 1 pc=40be22 sp=2aaaed2dff08 up=8 :4  xp=0 :0  r=
9a8340 a=       2 # proc: sleep: condition
   14057: m= 0 pc=40c101 sp=2aaaedfed938 up=68:4  xp=49:2  r=
9c40f0 a=       0 # proc: wakeup: done
   14056: m= 1 pc=40be22 sp=2aaaed2dff08 up=8 :4  xp=0 :0  r=
9a8340 a=       0 # proc: sleep: lock up
   14055: m= 0 pc=40c101 sp=2aaaedfed938 up=68:4  xp=49:2  r=
9c40f0 a=       0 # proc: wakeup: unlock r
   14054: m= 1 pc=40be22 sp=2aaaed2dff08 up=8 :4  xp=0 :0  r=
9a8340 a=       0 # proc: sleep: lock r
   14053: m= 0 pc=40c101 sp=2aaaedfed938 up=68:4  xp=49:2  r=
9c40f0 a=       0 # proc: wakeup: unlock p
   14052: m= 1 pc=40be22 sp=2aaaed2dff08 up=8 :4  xp=0 :0  r=
9a8340 a=       0 # proc: sleep
   14051: m= 1 pc=     0 sp=2aaaed2dff68 up=8 :4  xp=0 :0  r=
9a8340 a=     443 # kserver: wait
   14050: m= 0 pc=44fd4b sp=2aaaedfed908 up=68:4  xp=49:2  r=
0 a=       0 # kproc: ready: done
   1404f: m= 1 pc=40bfbe sp=2aaaed2dff28 up=8 :4  xp=66:2
r=2aaabb68bdb8 a=       0 # proc: wakeup: done
   1404e: m= 1 pc=40bfbe sp=2aaaed2dff28 up=8 :4  xp=66:2
r=2aaabb68bdb8 a=       0 # proc: wakeup: unlock r
   1404d: m= 1 pc=40bfbe sp=2aaaed2dff28 up=8 :4  xp=66:2
r=2aaabb68bdb8 a=       0 # proc: wakeup: unlock p
   1404c: m= 0 pc=44fd4b sp=2aaaedfed908 up=68:4  xp=49:2  r=
0 a=       0 # kproc: ready: pwakeup: done
   1404b: m= 1 pc=40f22e sp=2aaaed2dfed8 up=8 :4  xp=0 :0  r=
0 a=       0 # kproc: done
   1404a: m= 1 pc=40f22e sp=2aaaed2dfed8 up=8 :4  xp=0 :0  r=
0 a=       0 # kproc: kick
   14049: m= 1 pc=44fd4b sp=2aaaed2dfeb8 up=8 :4  xp=66:2  r=
0 a=       0 # proc: ready: done
   14048: m= 1 pc=44e9da sp=2aaaed2dfe78 up=8 :4  xp=66:2  r=
0 a=       0 # proc: queue: done
   14047: m= 5 pc=44e1a9 sp=    53c04020 up=0 :0  xp=0 :0  r=
0 a=       0 # kproc: runproc
   14046: m= 5 pc=44df26 sp=    53c04070 up=0 :0  xp=4 :8  r=
0 a=       0 # proc: sched: calling runproc
   14045: m= 0 pc=44fd4b sp=2aaaedfed908 up=68:4  xp=49:2  r=
0 a=       0 # kproc: ready: pwakeup
   14044: m= 5 pc=44df26 sp=    53c04070 up=0 :0  xp=4 :8  r=
0 a=       0 # proc: sched
   14043: m= 5 pc=40e41b sp=    53c040b0 up=4 :8  xp=0 :0  r=
0 a=       0 # proc: schedinit: disable up
   14042: m= 0 pc=44fd4b sp=2aaaedfed908 up=68:4  xp=49:8  r=
0 a=       0 # kproc: ready
   14041: m= 0 pc=40c101 sp=2aaaedfed938 up=68:4  xp=49:8  r=
9c40f0 a=       0 # proc: wakeup: ready p
   14040: m= 0 pc=40c101 sp=2aaaedfed938 up=68:4  xp=49:8  r=
9c40f0 a=       0 # proc: wakeup: lock p
   1403f: m= 5 pc=40e41b sp=    53c040b0 up=4 :8  xp=0 :0  r=
0 a=       0 # proc: schedinit: up still active
   1403e: m= 0 pc=40c101 sp=2aaaedfed938 up=68:4  xp=0 :0  r=
9c40f0 a=       0 # proc: wakeup: lock r
   1403d: m= 5 pc=40e41b sp=    53c040b0 up=4 :8  xp=0 :0  r=
0 a=       0 # proc: schedinit: start
   1403c: m= 0 pc=40c101 sp=2aaaedfed938 up=68:4  xp=0 :0  r=
9c40f0 a=       0 # proc: wakeup
   1403b: m= 5 pc=40be22 sp=2aaaece5af08 up=4 :8  xp=0 :0  r=
983360 a=       0 # proc: sleep: going sched
   1403a: m= 0 pc=     0 sp=2aaaedfed978 up=68:4  xp=49:8  r=
9c40f0 a=    1086 # kcall: wakeup
   14039: m= 5 pc=40be22 sp=2aaaece5af08 up=4 :8  xp=0 :0  r=
983360 a=       0 # proc: sleep: unlock r
   14038: m= 0 pc=40c519 sp=2aaaedfed978 up=68:4  xp=0 :0  r=
0 a=    1086 # kcall: call
   14037: m= 5 pc=40be22 sp=2aaaece5af08 up=4 :8  xp=0 :0  r=
983360 a=       0 # proc: sleep: unlock up
   14036: m= 5 pc=40be22 sp=2aaaece5af08 up=4 :8  xp=0 :0  r=
983360 a=       0 # proc: sleep: sleeping
   14035: m= 5 pc=40be22 sp=2aaaece5af08 up=4 :4  xp=0 :0  r=
983360 a=       2 # proc: sleep: condition
   14034: m= 5 pc=40be22 sp=2aaaece5af08 up=4 :4  xp=0 :0  r=
983360 a=       0 # proc: sleep: lock up
   14033: m= 0 pc=40c5e2 sp=2aaaedfed8a8 up=68:4  xp=0 :0  r=
0 a=    1082 # kcall: done
   14032: m= 5 pc=40be22 sp=2aaaece5af08 up=4 :4  xp=0 :0  r=
983360 a=       0 # proc: sleep: lock r
   14031: m= 0 pc=40c5e2 sp=2aaaedfed8a8 up=68:4  xp=0 :0  r=
0 a=    1082 # kcall: release
   14030: m= 5 pc=40be22 sp=2aaaece5af08 up=4 :4  xp=0 :0  r=
983360 a=       0 # proc: sleep
   1402f: m= 0 pc=40c269 sp=2aaaedfed848 up=68:4  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: sleep: done
   1402e: m= 5 pc=     0 sp=2aaaece5af68 up=4 :4  xp=0 :0  r=
983360 a=     378 # kserver: wait
   1402d: m= 5 pc=40bfbe sp=2aaaece5af28 up=4 :4  xp=67:2
r=2aaabb71dd60 a=       0 # proc: wakeup: done
   1402c: m= 5 pc=40bfbe sp=2aaaece5af28 up=4 :4  xp=67:2
r=2aaabb71dd60 a=       0 # proc: wakeup: unlock r
   1402b: m= 0 pc=40c269 sp=2aaaedfed848 up=68:4  xp=0 :0
r=2aaabb7afd08 a=       0 # proc: sleep: awakened
   1402a: m= 5 pc=40bfbe sp=2aaaece5af28 up=4 :4  xp=67:2
r=2aaabb71dd60 a=       0 # proc: wakeup: unlock p
   14029: m= 0 pc=44df26 sp=7fffffffe1d0 up=68:4  xp=66:2  r=
0 a=       0 # proc: sched: switch
   14028: m= 0 pc=44df26 sp=7fffffffe1d0 up=0 :0  xp=68:3  r=
0 a=       0 # proc: sched: found
   14027: m= 5 pc=40f22e sp=2aaaece5aed8 up=4 :4  xp=0 :0  r=
0 a=       0 # kproc: done
   14026: m= 0 pc=40f3d2 sp=7fffffffe120 up=0 :0  xp=68:3  r=
0 a=       0 # proc: runproc: done
   14025: m= 5 pc=40f22e sp=2aaaece5aed8 up=4 :4  xp=0 :0  r=
0 a=       0 # kproc: kick
   14024: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=68:2  r=
0 a=       0 # proc: dequeue: done
   14023: m= 5 pc=44fd4b sp=2aaaece5aeb8 up=4 :4  xp=67:2  r=
0 a=       0 # proc: ready: done
   14022: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=68:2  r=
0 a=       0 # proc: dequeue
   14021: m= 5 pc=44e9da sp=2aaaece5ae78 up=4 :4  xp=67:2  r=
0 a=       0 # proc: queue: done
   14020: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=68:2  r=
0 a=       0 # proc: dequeue: failed
   1401f: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=68:2  r=
0 a=       0 # proc: dequeue
   1401e: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=68:2  r=
0 a=       0 # proc: dequeue: failed
   1401d: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=68:2  r=
0 a=       0 # proc: dequeue
   1401c: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=68:2  r=
0 a=       0 # proc: dequeue: failed
   1401b: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=68:2  r=
0 a=       0 # proc: dequeue
   1401a: m= 1 pc=44e9da sp=2aaaed2dfe78 up=8 :4  xp=66:2  r=
0 a=       0 # proc: queue
   14019: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=68:2  r=
0 a=       0 # proc: dequeue: failed
   14018: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=68:2  r=
0 a=       0 # proc: dequeue
   14017: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=68:2  r=
0 a=       0 # proc: dequeue: failed
   14016: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=68:2  r=
0 a=       0 # proc: dequeue
   14015: m= 1 pc=44fd4b sp=2aaaed2dfeb8 up=8 :4  xp=66:8  r=
0 a=       0 # proc: ready
   14014: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=68:2  r=
0 a=       0 # proc: dequeue: failed
   14013: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=68:2  r=
0 a=       0 # proc: dequeue
   14012: m= 1 pc=40bfbe sp=2aaaed2dff28 up=8 :4  xp=66:8
r=2aaabb68bdb8 a=       0 # proc: wakeup: ready p
   14011: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=68:2  r=
0 a=       0 # proc: dequeue: failed
   14010: m= 1 pc=40bfbe sp=2aaaed2dff28 up=8 :4  xp=66:8
r=2aaabb68bdb8 a=       0 # proc: wakeup: lock p
   1400f: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=68:2  r=
0 a=       0 # proc: dequeue
   1400e: m= 1 pc=40bfbe sp=2aaaed2dff28 up=8 :4  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: wakeup: lock r
   1400d: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=68:2  r=
0 a=       0 # proc: dequeue: failed
   1400c: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=68:2  r=
0 a=       0 # proc: dequeue
   1400b: m= 1 pc=40bfbe sp=2aaaed2dff28 up=8 :4  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: wakeup
   1400a: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=68:2  r=
0 a=       0 # proc: dequeue: failed
   14009: m= 1 pc=     0 sp=2aaaed2dff68 up=8 :4  xp=66:8  r=
9a8340 a=    1085 # kserver: done
   14008: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=68:2  r=
0 a=       0 # proc: dequeue
   14007: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=68:2  r=
0 a=       0 # proc: dequeue: failed
   14006: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=68:2  r=
0 a=       0 # proc: dequeue
   14005: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=68:2  r=
0 a=       0 # proc: dequeue: failed
   14004: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=68:2  r=
0 a=       0 # proc: dequeue
   14003: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=68:2  r=
0 a=       0 # proc: dequeue: failed
   14002: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=68:2  r=
0 a=       0 # proc: dequeue
   14001: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=68:2  r=
0 a=       0 # proc: dequeue: failed
   14000: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=68:2  r=
0 a=       0 # proc: dequeue
   13fff: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=68:2  r=
0 a=       0 # proc: dequeue: failed
   13ffe: m= 0 pc=44ed36 sp=7fffffffe0d0 up=0 :0  xp=68:2  r=
0 a=       0 # proc: dequeue
   13ffd: m= 0 pc=40f3d2 sp=7fffffffe120 up=0 :0  xp=0 :0  r=
0 a=       0 # proc: runproc
   13ffc: m= 0 pc=44df26 sp=7fffffffe1d0 up=0 :0  xp=66:8  r=
0 a=       0 # proc: sched: calling runproc
   13ffb: m= 0 pc=44df26 sp=7fffffffe1d0 up=0 :0  xp=66:8  r=
0 a=       0 # proc: sched
   13ffa: m= 0 pc=40d2a0 sp=7fffffffe210 up=66:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: disable up
   13ff9: m= 0 pc=40d2a0 sp=7fffffffe210 up=66:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: up still active
   13ff8: m= 0 pc=40d2a0 sp=7fffffffe210 up=66:8  xp=0 :0  r=
0 a=       0 # proc: schedinit: start
   13ff7: m= 0 pc=40c269 sp=2aaaeddeb818 up=66:8  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: sleep: going sched
   13ff6: m= 1 pc=     0 sp=2aaaed2dff68 up=8 :4  xp=66:8  r=
9a8340 a=    1085 # kserver: serve
   13ff5: m= 0 pc=40c269 sp=2aaaeddeb818 up=66:8  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: sleep: unlock r
   13ff4: m= 1 pc=40be22 sp=2aaaed2dff08 up=8 :4  xp=0 :0  r=
9a8340 a=       0 # proc: sleep: done
   13ff3: m= 1 pc=40be22 sp=2aaaed2dff08 up=8 :4  xp=0 :0  r=
9a8340 a=       0 # proc: sleep: awakened
   13ff2: m= 0 pc=40c269 sp=2aaaeddeb818 up=66:8  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: sleep: unlock up
   13ff1: m= 1 pc=44df26 sp=    50b00070 up=8 :4  xp=49:8  r=
0 a=       0 # proc: sched: switch
   13ff0: m= 0 pc=40c269 sp=2aaaeddeb818 up=66:8  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: sleep: sleeping
   13fef: m= 0 pc=40c269 sp=2aaaeddeb818 up=66:4  xp=0 :0
r=2aaabb68bdb8 a=       2 # proc: sleep: condition
   13fee: m= 0 pc=40c269 sp=2aaaeddeb818 up=66:4  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: sleep: lock up
   13fed: m= 1 pc=44df26 sp=    50b00070 up=0 :0  xp=8 :2  r=
0 a=       0 # proc: sched: found
   13fec: m= 0 pc=40c269 sp=2aaaeddeb818 up=66:4  xp=0 :0
r=2aaabb68bdb8 a=       0 # proc: sleep: lock r
   13feb: m= 1 pc=44e1a9 sp=    50b00020 up=0 :0  xp=8 :2  r=
0 a=       0 # kproc: runproc: found


Richard Miller wrote:
> Philippe said:
>
>> Again, the change I proposed is not about sleep/wakeup/postnote, but
>> because wakeup() is ready()'ing the awakened process while the mach on
>> which sleep() runs is still holdind a pointer (up) to the awakened
>> process and can later (in schedinit()) assumes it is safe to access
>> (up)->state. Because of this, schedinit() can tries to call ready() on
>> (up), because because (up)->state may have been changed to Running by
>> a third mach entity.
>
> and I tried to summarize:
>
>> It's a race between a process in sleep() returning to the scheduler on
>> cpu A, and the same process being readied and rescheduled on cpu B
>> after the wakeup.
>
> But after further study of proc.c, I now believe we were both wrong.
>
> A process on the ready queue can only be taken off the queue and
> scheduled by calling dequeueproc(), which contains this:
> 	/*
> 	 *  p->mach==0 only when process state is saved
> 	 */
> 	if(p == 0 || p->mach){
> 		unlock(runq);
> 		return nil;
> 	}
> So the process p can only be scheduled (i.e. p->state set to Running)
> if p->mach==nil.
>
> The only place p->mach gets set to nil is in schedinit(), *after*
> the test for p->state==Running.
>
> This seems to mean there isn't a race after all, and Philippe's
> thought experiment is impossible.
>
> Am I missing something?
>
>
>




  reply	other threads:[~2010-06-13 13:43 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-11 14:06 Philippe Anel
2010-06-11 14:40 ` ron minnich
2010-06-11 14:49   ` erik quanstrom
2010-06-11 14:54     ` Philippe Anel
2010-06-11 15:03       ` erik quanstrom
2010-06-11 15:22         ` Philippe Anel
2010-06-11 15:25           ` Philippe Anel
2010-06-11 14:59     ` Philippe Anel
2010-06-11 17:11       ` Bakul Shah
2010-06-11 17:31         ` Philippe Anel
2010-06-11 18:34           ` Bakul Shah
2010-06-11 18:36             ` erik quanstrom
2010-06-11 18:51             ` Philippe Anel
2010-06-12  7:02     ` Philippe Anel
2010-06-12  9:22       ` Philippe Anel
2010-06-12 11:51         ` erik quanstrom
2010-06-13 13:01       ` Richard Miller
2010-06-13 13:43         ` Philippe Anel [this message]
2010-06-13 14:26         ` Philippe Anel
2010-06-13 16:20           ` ron minnich
2010-06-13 16:34             ` Philippe Anel
2010-06-13 17:23               ` Philippe Anel
2010-06-13 18:03             ` Philippe Anel
2010-06-14 19:15               ` Charles Forsyth
2010-06-14 19:36                 ` Philippe Anel
2010-06-15  2:57                 ` ron minnich
2010-06-15  3:36               ` ron minnich
2010-06-12 20:15     ` Richard Miller
2010-06-12 20:30       ` ron minnich
2010-06-12 22:15         ` Charles Forsyth
2010-06-13  0:04           ` ron minnich
2010-06-13 13:32           ` erik quanstrom
2010-06-13 22:34             ` Charles Forsyth
2010-06-13  9:00         ` Richard Miller
2010-06-11 14:49   ` Philippe Anel
2010-06-11 14:59     ` ron minnich
2010-06-11 15:02 ` ron minnich
2010-06-11 15:04   ` erik quanstrom
2010-06-11 15:43     ` ron minnich

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