From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <c65e570684403b79be5b6c6f8b4259dd@quanstro.net>
From: erik quanstrom <quanstro@quanstro.net>
Date: Wed, 12 Mar 2008 16:08:42 -0400
To: 9fans@9fans.net
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Subject: [9fans] infrequent panics
Topicbox-Message-UUID: 7702042e-ead3-11e9-9d60-3106f5b1d025

on machines that serve dns, i get infrequently get
panics like the one appeneded.  there doesn't appear
to be any pattern to the backtrace.  but perhaps i
am missing something.

- erik

----

src(0xf0108bbc); // dumpstack+0x10
src(0xf0145f4c); // panic+0xfc
src(0xf0186e59); // ppanic+0xb4
src(0xf01a3db8); // panicblock+0x49
src(0xf01a403a); // blockcheck+0x27e
src(0xf01a4b1a); // poolfreel+0x36
src(0xf01a5037); // poolfree+0x41
src(0xf0187208); // free+0x23
src(0xf018c815); // devattach+0xc8
src(0xf013ae0b); // procattach+0x18
src(0xf018c218); // namec+0xd50
src(0xf019a17a); // sysopen+0xa9
src(0xf010903b); // syscall+0x1b5
src(0xf0100ca3); // _syscallintr+0x18
//didn't find pc at sp=0xf36a4140, last pc found at sp=0xf36a413c


Wed Mar 12 13:20:01: panic: corrupt tail magic0
Wed Mar 12 13:20:01: pool Main block f36fa3a0
Wed Mar 12 13:20:01: hdr 0a110c09 00000020 f018c7ce cafebabe 20737023 7064755b
Wed Mar 12 13:20:01: tail 0a110c09 00000020 f018c7ce cafebabe 20737023 7064755b | 72657320 20726576
Wed Mar 12 13:20:01: pool panic
Wed Mar 12 13:20:01: panic: corrupt tdil magic0
Wed Mar 12 13:20:02: pool Main blouck f36fa3a0
Wed Mar 12 13:20:02: hdr 0a110c09 00000020 f018c7ce cafebabe 20737023 7064755b
Wed Mar 12 13:20:02: tail 0a110c09 00000020 f018c7ce cafebabe 20737023 7064755b | 72657320 20726576
Wed Mar 12 13:20:02: pool panic
Wed Mar 12 13:20:02: pstack
Wed Mar 12 13:20:02: ktrace /kernel/path f0108bbc f36a3cbc <<EOF
Wed Mar 12 13:20:02: estackx f36a4190
Wed Mar 12 13:20:02: f36a3c5c=f0108944 f36a3c64=f0196a16 f36a3c90=f0145c0e f36a3ca4=f0108bbc
Wed Mar 12 13:20:02: f36a3cb8=f0108bbc f36a3cbc=f0108948 f36a3cc4=f0145f4c f36a3dac=f01a5b6b
Wed Mar 12 13:20:02: f36a3dd0=f019f76b f36a3de0=f0192039 f36a3df0=f0186e59 f36a3f18=f01a3db8
Wed Mar 12 13:20:02: f36a3f2c=f01a403a f36a3f3c=f019ef8d f36a3f40=f019efa3 f36a3f50=f019f41e
Wed Mar 12 13:20:02: f36a3f64=f01a4b1a f36a3f70=f0186e76 f36a3f78=f0186e82 f36a3f84=f01893b0
Wed Mar 12 13:20:02: f36a3f8c=f01a5037 f36a3fa4=f0187208 f36a3fb4=f018c815 f36a3fdc=f013ae0b
Wed Mar 12 13:20:02: f36a3fe8=f018b502 f36a3fec=f018c218 f36a3ffc=f01a2ff0 f36a4008=f01a40ab
Wed Mar 12 13:20:02: f36a4014=f019f33f f36a402c=f019f33f f36a4040=f01a4bc7 f36a404c=f0186e76
Wed Mar 12 13:20:02: f36a4054=f0186e82 f36a4060=f019ef8d f36a4068=f01a5077 f36a4070=f019ef8d
Wed Mar 12 13:20:03: f36a4074=f019efa3 f36a407c=f019f0e7 f36a4090=f019f63f f36a4098=f0188f2e
Wed Mar 12 13:20:03: f36a40a0=f0188f48 f36a40b0=f018f578 f36a40cc=f019a1cb f36a40d0=f018f608
Wed Mar 12 13:20:03: f36a40e4=f019a17a f36a4108=f010903b f36a411c=f010065d f36a413c=f0100ca3
Wed Mar 12 13:20:03: f36a4170=f010001b f36a4174=00000040 f36a4178=f01007ee f36a417c=00017bec
Wed Mar 12 13:20:03: f36a4180=00000023 f36a4184=00000286 f36a4188=dfffe3d4 f36a418c=0000001b
Wed Mar 12 13:20:03: EOF