Date: Sat, 21 Sep 2013 12:18:25 -0400 From: Adam McDougall <mcdouga9@egr.msu.edu> To: freebsd-current@freebsd.org Subject: Re: Panic on head (r255759) [_callout_stop_safe()-> panic: Lock lle not exclusively locked @ /usr/src/sys/kern/kern_rwlock.c:140] Message-ID: <523DC6D1.6050903@egr.msu.edu> In-Reply-To: <CACYV=-FXZwzHgBkRPFay4Ktx3H-DKOmfmTpVKe4Z4VTnWmAm0g@mail.gmail.com> References: <523D8AAD.5080900@FreeBSD.org> <alpine.BSF.2.00.1309211205160.4210@ai.fobar.qr> <523D8C39.4050307@FreeBSD.org> <20130921145139.23e3007a@thor.walstatt.dyndns.org> <CACYV=-FXZwzHgBkRPFay4Ktx3H-DKOmfmTpVKe4Z4VTnWmAm0g@mail.gmail.com>
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On 09/21/13 09:41, Davide Italiano wrote: > On Sat, Sep 21, 2013 at 2:51 PM, O. Hartmann > <ohartman@zedat.fu-berlin.de> wrote: >> On Sat, 21 Sep 2013 07:08:25 -0500 >> Bryan Drewery <bdrewery@FreeBSD.org> wrote: >> >>> On 9/21/2013 7:06 AM, Bjoern A. Zeeb wrote: >>>> On Sat, 21 Sep 2013, Bryan Drewery wrote: >>>> >>>>>> Unread portion of the kernel message buffer: >>>>>> panic: Lock lle not exclusively locked @ >>>>>> /usr/src/sys/kern/kern_rwlock.c:140 >>>>>> >>>>>> cpuid = 0 >>>>>> KDB: stack backtrace: >>>>>> db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame >>>>>> 0xfffffe118aeef820 >>>>>> kdb_backtrace() at kdb_backtrace+0x39/frame 0xfffffe118aeef8d0 >>>>>> vpanic() at vpanic+0x126/frame 0xfffffe118aeef910 >>>>>> panic() at panic+0x43/frame 0xfffffe118aeef970 >>>>>> __rw_assert() at __rw_assert+0xa3/frame 0xfffffe118aeef980 >>>>>> _callout_stop_safe() at _callout_stop_safe+0x54/frame >>>>>> 0xfffffe118aeef9f0 arptimer() at arptimer+0x14e/frame >>>>>> 0xfffffe118aeefa30 softclock_call_cc() at >>>>>> softclock_call_cc+0x188/frame 0xfffffe118aeefb10 softclock() at >>>>>> softclock+0x47/frame 0xfffffe118aeefb30 >>>>>> intr_event_execute_handlers() at >>>>>> intr_event_execute_handlers+0x93/frame 0xfffffe118aeefb70 >>>>>> ithread_loop() at ithread_loop+0xa6/frame 0xfffffe118aeefbb0 >>>>>> fork_exit() at fork_exit+0x84/frame 0xfffffe118aeefbf0 >>>>>> fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe118aeefbf0 >>>>>> --- trap 0, rip = 0, rsp = 0xfffffe118aeefcb0, rbp = 0 --- >>>> >>>> +1 from me; I guess introduced somwhere between 255569 and 255758, >>>> as these are my edges of kernel.old and kernel. >>>> >>> r255726 was stable for me. r255759 is not. >>> >>> r255755 converted ipfilter to callout, but I am unsure if that is the >>> problem. >>> >> r255729 is also stable for me - I'm with r255729 again, since r255757 >> crashed. > Let me know if this fixes the problem for you: > http://people.freebsd.org/~davide/review/lc_calloutfix.diff > > Thanks, > Worked for me so far. I generally couldn't stay up more than 30 minutes before the patch and now my uptime is 90 minutes. Thanks!
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