Date: Mon, 5 May 2014 13:48:13 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-stable@freebsd.org, sbruno@freebsd.org Subject: Re: stable/10 panic Message-ID: <201405051348.13320.jhb@freebsd.org> In-Reply-To: <1398097892.1101.6.camel@powernoodle.corp.yahoo.com> References: <1398097892.1101.6.camel@powernoodle.corp.yahoo.com>
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On Monday, April 21, 2014 12:31:32 pm Sean Bruno wrote: > We're seeing this *a lot* on our qmail based hosts during our stable/10 > rollout. We're running stable/10 from around svn rev 261579 (mid > february) with one or two patches strewn in. > > sean > > > 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"... > > Unread portion of the kernel message buffer: > panic: page fault > cpuid = 5 > KDB: stack backtrace: > db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe048b9b12a0 > kdb_backtrace() at kdb_backtrace+0x39/frame 0xfffffe048b9b1350 > vpanic() at vpanic+0x126/frame 0xfffffe048b9b1390 > panic() at panic+0x43/frame 0xfffffe048b9b13f0 > trap_fatal() at trap_fatal+0x3a2/frame 0xfffffe048b9b1450 > trap_pfault() at trap_pfault+0x22f/frame 0xfffffe048b9b14f0 > trap() at trap+0x670/frame 0xfffffe048b9b1710 > calltrap() at calltrap+0x8/frame 0xfffffe048b9b1710 > --- trap 0xc, rip = 0xffffffff805e759b, rsp = 0xfffffe048b9b17d0, rbp = 0xfffffe048b9b17e0 --- > __mtx_assert() at __mtx_assert+0x3b/frame 0xfffffe048b9b17e0 > knote() at knote+0x39/frame 0xfffffe048b9b1830 > pipeclose() at pipeclose+0xbe/frame 0xfffffe048b9b1860 Can you show which line this is via kgdb? Can you also 'p *cpipe' and 'p *ppipe'? -- John Baldwin
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