Date: Thu, 07 Mar 2013 14:55:30 +0200 From: Andriy Gapon <avg@FreeBSD.org> To: loic.blot@unix-experience.fr Cc: "freebsd-stable@freebsd.org" <freebsd-stable@FreeBSD.org> Subject: Re: Strange reboot since 9.1 Message-ID: <51388E42.5040500@FreeBSD.org> In-Reply-To: <1362652057.16808.23.camel@iMac-LBlot.domain.iogs> References: <1362560123.16808.4.camel@iMac-LBlot.domain.iogs> <CAJ-UWtTA2P26PUa=6%2B3xR4idC5RqeXnK2s-jw3815Y6Dif-Sng@mail.gmail.com> <1362652057.16808.23.camel@iMac-LBlot.domain.iogs>
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on 07/03/2013 12:27 Loïc Blot said the following: > Hello, > i have enabled dumpdev="AUTO" and run kgdb after a reboot. > Here is the backtrace: > > root@freebsd-server> kgdb It's a stack trace of the first thread in your live running system. You need to read kgdb(1), inspect your /var/crash directory and pass a proper vmcore file, if any, to kgdb. > GNU gdb 6.1.1 [FreeBSD] > Copyright 2004 Free Software Foundation, Inc. > GDB is free software, covered by the GNU General Public License, and you > are > welcome to change it and/or distribute copies of it under certain > conditions. > Type "show copying" to see the conditions. > There is absolutely no warranty for GDB. Type "show warranty" for > details. > This GDB was configured as "amd64-marcel-freebsd"... > #0 sched_switch (td=0xffffffff812228a0, newtd=0xfffffe00051c8000, > flags=Variable "flags" is not available. > ) at /usr/src/sys/kern/sched_ule.c:1927 > 1927 cpuid = PCPU_GET(cpuid); > (kgdb) bt > #0 sched_switch (td=0xffffffff812228a0, newtd=0xfffffe00051c8000, > flags=Variable "flags" is not available. > ) at /usr/src/sys/kern/sched_ule.c:1927 > #1 0xffffffff808f2d46 in mi_switch (flags=260, newtd=0x0) > at /usr/src/sys/kern/kern_synch.c:485 > #2 0xffffffff8092ba72 in sleepq_timedwait (wchan=0xffffffff81222400, > pri=84) at /usr/src/sys/kern/subr_sleepqueue.c:658 > #3 0xffffffff808f332f in _sleep (ident=0xffffffff81222400, lock=0x0, > priority=Variable "priority" is not available. > ) at /usr/src/sys/kern/kern_synch.c:246 > #4 0xffffffff80b429db in scheduler (dummy=Variable "dummy" is not > available. > ) at /usr/src/sys/vm/vm_glue.c:788 > #5 0xffffffff8089c047 in mi_startup () > at /usr/src/sys/kern/init_main.c:277 > #6 0xffffffff802b526c in btext () > at /usr/src/sys/amd64/amd64/locore.S:81 > #7 0x0000000000000001 in ?? () > #8 0xffffffff81240f80 in tdq_cpu () > #9 0xffffffff812228a0 in proc0 () > #10 0x0000000000000000 in ?? () > #11 0xffffffff81529b90 in ?? () > #12 0xffffffff81529b38 in ?? () > #13 0xfffffe00051c8000 in ?? () > #14 0xffffffff8091352e in sched_switch (td=0x0, newtd=0x0, > flags=Variable "flags" is not available. > ) at /usr/src/sys/kern/sched_ule.c:1921 > Previous frame inner to this frame (corrupt stack?) > (kgdb) bt f > #0 sched_switch (td=0xffffffff812228a0, newtd=0xfffffe00051c8000, > flags=Variable "flags" is not available. > ) at /usr/src/sys/kern/sched_ule.c:1927 > __res = 2 > __s = Variable "__s" is not available. > -- Andriy Gapon
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