Re: Panic on head (r255759) [_callout_stop_safe()-> panic: Lock lle not exclusively locked @ /usr/src/sys/kern/kern_rwlock.c:140]

In message <523D8C39.4050307_at_FreeBSD.org>, Bryan Drewery writes:
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> On 9/21/2013 7:06 AM, Bjoern A. Zeeb wrote:
> > On Sat, 21 Sep 2013, Bryan Drewery wrote:
> >=20
> >>> Unread portion of the kernel message buffer:
> >>> panic: Lock lle not exclusively locked _at_
> >>> /usr/src/sys/kern/kern_rwlock.c:140
> >>>
> >>> cpuid =3D 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 0xfffffe118aeef=
> 9f0
> >>> arptimer() at arptimer+0x14e/frame 0xfffffe118aeefa30
> >>> softclock_call_cc() at softclock_call_cc+0x188/frame 0xfffffe118aeefb=
> 10
> >>> 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 =3D 0, rsp =3D 0xfffffe118aeefcb0, rbp =3D 0 ---
> >=20
> >=20
> > +1 from me;  I  guess introduced somwhere between 255569 and 255758,
> > as these are my edges of kernel.old and kernel.
> >=20
> 
> r255726 was stable for me. r255759 is not.
> 
> r255755 converted ipfilter to callout, but I am unsure if that is the
> problem.

I've been running the r255755 code locally on a couple of r255665 systems 
for about a week with no problems but I'll check it again.


-- 
Cheers,
Cy Schubert <Cy.Schubert_at_komquats.com>
FreeBSD UNIX:  <cy_at_FreeBSD.org>   Web:  http://www.FreeBSD.org

	The need of the many outweighs the greed of the few.