Date: Sat, 21 Sep 2013 18:50:47 +0200 From: "O. Hartmann" <ohartman@zedat.fu-berlin.de> To: Davide Italiano <davide@freebsd.org> Cc: freebsd-current <freebsd-current@freebsd.org>, Bryan Drewery <bdrewery@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: <20130921185047.5547b40f@thor.walstatt.dyndns.org> In-Reply-To: <CACYV=-FoyYhenExozTsazLCL7_2FXo=J-1D9DT4eCsPpK%2BGzLQ@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> <523DC6D1.6050903@egr.msu.edu> <523DC9C7.1020708@FreeBSD.org> <CACYV=-FoyYhenExozTsazLCL7_2FXo=J-1D9DT4eCsPpK%2BGzLQ@mail.gmail.com>
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--Sig_/JP8XY5Rq4v5xm==oP2WVi.X Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Sat, 21 Sep 2013 09:34:59 -0700 Davide Italiano <davide@freebsd.org> wrote: > On Sat, Sep 21, 2013 at 9:31 AM, Bryan Drewery <bdrewery@freebsd.org> > wrote: > > On 9/21/2013 11:18 AM, Adam McDougall wrote: > >> 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 =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 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 =3D 0, rsp =3D > >>>>>>>> 0xfffffe118aeefcb0, rbp =3D 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! > > > > Same here. > > > > > > -- > > Regards, > > Bryan Drewery > > >=20 > I would wait another couple of hours before the commit, but still I'm > confident this fixed the problem. >=20 At the moment all systems are under load and duty, I can patch earliest tonight and report tomorrow after the boxes stayed up overnight. --Sig_/JP8XY5Rq4v5xm==oP2WVi.X Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.21 (FreeBSD) iQEcBAEBAgAGBQJSPc5sAAoJEOgBcD7A/5N8owUIAIJevpFiQl8QWTzM0LJ7be2s 4Bdft4ZuPDJiP9QQ2wtil/nSkn3pAmg/Mjj0TN6lw7bonOWNCFqfcef6hPbYJ6Mr UmydVbYX5k67Jr10vMIMeYYHFhsqW8u9QTWOm97B587Ma+UjBo6pKxH39e7sjfI7 qZHA1v6wtze7koz96z6eRFi2d5PWBLEkexztp2edtxxBlqGib/tob6CwbqsqKcGl KiLie6A0qChktnT6z/KbHYAuoogIXBX/J+WK+yOkROVxLlhxIcnquS/uBSUBv3Cg +kX3p+WWVm4FOGn3gSiIsjXJkro+ifhupShYBrOCSyocgtusWmAixj67S6Nc3yM= =qG5e -----END PGP SIGNATURE----- --Sig_/JP8XY5Rq4v5xm==oP2WVi.X--
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