From owner-freebsd-current@FreeBSD.ORG Sat Sep 21 23:15:36 2013 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id 69387ACD for ; Sat, 21 Sep 2013 23:15:36 +0000 (UTC) (envelope-from mcdouga9@egr.msu.edu) Received: from mail.egr.msu.edu (dauterive.egr.msu.edu [35.9.37.168]) by mx1.freebsd.org (Postfix) with ESMTP id 138492E20 for ; Sat, 21 Sep 2013 23:15:35 +0000 (UTC) Received: from dauterive (localhost [127.0.0.1]) by mail.egr.msu.edu (Postfix) with ESMTP id 009C92F311 for ; Sat, 21 Sep 2013 19:06:58 -0400 (EDT) X-Virus-Scanned: amavisd-new at egr.msu.edu Received: from mail.egr.msu.edu ([127.0.0.1]) by dauterive (dauterive.egr.msu.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id XrvzC1_9yrK5 for ; Sat, 21 Sep 2013 19:06:57 -0400 (EDT) Received: from EGR authenticated sender Message-ID: <523E2690.7010709@egr.msu.edu> Date: Sat, 21 Sep 2013 19:06:56 -0400 From: Adam McDougall User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:24.0) Gecko/20100101 Thunderbird/24.0 MIME-Version: 1.0 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] References: <523D8AAD.5080900@FreeBSD.org> <523D8C39.4050307@FreeBSD.org> <20130921145139.23e3007a@thor.walstatt.dyndns.org> <523DC6D1.6050903@egr.msu.edu> <523DC9C7.1020708@FreeBSD.org> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 21 Sep 2013 23:15:36 -0000 On 09/21/13 12:34, Davide Italiano wrote: > On Sat, Sep 21, 2013 at 9:31 AM, Bryan Drewery 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 >>>> wrote: >>>>> On Sat, 21 Sep 2013 07:08:25 -0500 >>>>> Bryan Drewery 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! >> Same here. >> >> >> -- >> Regards, >> Bryan Drewery >> > I would wait another couple of hours before the commit, but still I'm > confident this fixed the problem. > 7:05PM up 8:18, 1 user, load averages: 0.08, 0.18, 0.21