From: Mathias Fredriksson <mafredri@gmail.com>
To: zsh-workers@zsh.org
Subject: Re: Deadlock when receiving kill-signal from child process
Date: Wed, 5 Aug 2015 19:05:19 +0300 [thread overview]
Message-ID: <CA+=GgY5F-ZD7us6C6-N+3NevKPmVvcJ+Zm7MYp4yDQTZhxY6kg@mail.gmail.com> (raw)
In-Reply-To: <150805085258.ZM17673@torch.brasslantern.com>
On Wed, Aug 5, 2015 at 6:52 PM, Bart Schaefer wrote:
}
} However, don't you delete it just yet from your test build. Instead,
} add this patch and see what you get.
The freezes are now much less frequent, but I still managed to get it
to lock up with a slightly different gdb trace this time around.
Output:
./deadlock.zsh:15: no job table entry for pid 6501
./deadlock.zsh:15: no job table entry for pid 6500
./deadlock.zsh:15: no job table entry for pid 6503
./deadlock.zsh:15: no job table entry for pid 6505
./deadlock.zsh:15: no job table entry for pid 6509
TRAPUSR1:1: no job table entry for pid 6507
.....
gdb:
#0 0x00007fff8abf95da in syscall_thread_switch ()
#1 0x00007fff853a982d in _OSSpinLockLockSlow ()
#2 0x00007fff896e1635 in szone_force_lock ()
#3 0x00007fff896e15e6 in _malloc_fork_prepare ()
#4 0x00007fff82cb8097 in fork ()
#5 0x00000001036447d0 in zfork ()
#6 0x000000010364825d in execcmd ()
#7 0x00000001036432c0 in execpline ()
#8 0x000000010364286a in execlist ()
#9 0x0000000103642692 in execode ()
#10 0x0000000103646297 in runshfunc ()
#11 0x0000000103645d82 in doshfunc ()
#12 0x000000010368a8c7 in dotrapargs ()
#13 0x0000000103689a2a in handletrap ()
#14 0x0000000103689328 in zhandler ()
#15 <signal handler called>
#16 0x00007fff896dad62 in tiny_free_list_add_ptr ()
#17 0x00007fff896d9e7f in szone_free_definite_size ()
#18 0x000000010365e89a in inputsetline ()
#19 0x000000010365e1e7 in ingetc ()
#20 0x000000010366425b in zshlex ()
#21 0x0000000103679980 in parse_event ()
#22 0x000000010365add4 in loop ()
#23 0x000000010365dc2c in zsh_main ()
#24 0x00007fff8610c5c9 in start ()
next prev parent reply other threads:[~2015-08-05 16:06 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-03 11:25 Mathias Fredriksson
2015-08-03 15:52 ` Bart Schaefer
2015-08-03 20:36 ` Mathias Fredriksson
2015-08-03 20:58 ` Bart Schaefer
2015-08-04 21:52 ` Mathias Fredriksson
2015-08-05 0:05 ` Mathias Fredriksson
2015-08-05 6:53 ` Bart Schaefer
2015-08-05 10:37 ` Mathias Fredriksson
2015-08-05 15:52 ` Bart Schaefer
2015-08-05 16:05 ` Mathias Fredriksson [this message]
2015-08-05 18:52 ` Bart Schaefer
2015-08-05 19:11 ` Mathias Fredriksson
2015-08-05 20:20 ` Bart Schaefer
2015-08-05 21:49 ` Mathias Fredriksson
2015-08-06 5:06 ` Bart Schaefer
2015-08-06 8:24 ` Mathias Fredriksson
2015-08-06 15:54 ` Bart Schaefer
2015-08-07 0:45 ` Mathias Fredriksson
2015-08-07 5:39 ` Bart Schaefer
2015-08-09 13:53 ` Mathias Fredriksson
2015-08-09 23:42 ` Bart Schaefer
2015-08-10 0:02 ` Mikael Magnusson
2015-08-10 0:16 ` Mathias Fredriksson
2015-08-10 1:47 ` Bart Schaefer
2015-08-10 2:02 ` Mikael Magnusson
2015-08-10 15:59 ` Bart Schaefer
2015-08-10 17:30 ` Mathias Fredriksson
2015-08-10 0:36 ` Bart Schaefer
2015-08-10 0:29 ` Bart Schaefer
2015-08-10 19:34 ` Bart Schaefer
2015-08-10 21:17 ` Mathias Fredriksson
2015-08-10 22:53 ` Mathias Fredriksson
2015-08-11 0:53 ` Bart Schaefer
2015-08-11 12:17 ` Mathias Fredriksson
2015-08-11 14:38 ` Mathias Fredriksson
2015-08-11 15:07 ` Bart Schaefer
2015-08-11 15:22 ` Mathias Fredriksson
2015-08-11 4:06 ` Running commands in a zpty worker Bart Schaefer
2015-08-11 13:14 ` Mathias Fredriksson
2015-08-11 14:35 ` Mathias Fredriksson
2015-08-11 14:37 ` Bart Schaefer
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