Date: Fri, 13 Jun 2008 16:14:13 -0500 From: Ryan Coleman <ryan.coleman@cwis.biz> To: Bruce Cran <bruce@cran.org.uk> Cc: freebsd-questions@freebsd.org Subject: Re: Intermittent -- yet regular -- v6.3 kernel panic Message-ID: <4852E325.7090901@cwis.biz> In-Reply-To: <20080613215908.25d71e6e@tau> References: <4852CF49.2000304@cwis.biz> <20080613215908.25d71e6e@tau>
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I will attempt to do this and report back when it happens again. Bruce Cran wrote: > On Fri, 13 Jun 2008 14:49:29 -0500 > Ryan Coleman <ryan.coleman@cwis.biz> wrote: > > >> Jun 12 23:02:41 UnixBox2 kernel: Fatal trap 12: page fault while in >> kernel mode >> Jun 12 23:02:41 UnixBox2 kernel: cpuid = 1; apic id = 01 >> Jun 12 23:02:41 UnixBox2 kernel: fault virtual address = 0x0 >> Jun 12 23:02:41 UnixBox2 kernel: fault code = supervisor >> read, page not present >> Jun 12 23:02:41 UnixBox2 kernel: instruction pointer = 0x20:0x0 >> Jun 12 23:02:41 UnixBox2 kernel: stack pointer = >> 0x28:0xec0ea8e0 Jun 12 23:02:41 UnixBox2 kernel: frame >> pointer = 0x28:0xec0ea8e4 Jun 12 23:02:41 UnixBox2 kernel: >> code segment = base 0x0, limit 0xfffff, type 0x1b >> Jun 12 23:02:41 UnixBox2 kernel: = DPL 0, pres 1, def32 1, gran 1 >> Jun 12 23:02:41 UnixBox2 kernel: processor eflags = interrupt >> enabled, resume, IOPL = 0 >> Jun 12 23:02:41 UnixBox2 kernel: current process = 925 (cp) >> Jun 12 23:02:41 UnixBox2 kernel: trap number = 12 >> Jun 12 23:02:41 UnixBox2 kernel: panic: page fault >> Jun 12 23:02:41 UnixBox2 kernel: cpuid = 1 >> Jun 12 23:02:41 UnixBox2 kernel: Uptime: 1h21m59s >> Jun 12 23:02:41 UnixBox2 kernel: Cannot dump. No dump device defined. >> >> >> This is a regular occurrence, but varies by source. Brand new fBSD >> 6.3 machine, what more information do I need to provide? >> > > To be of any use we need a backtrace. See > http://www.freebsd.org/doc/en/books/developers-handbook/kerneldebug.html > for details. First you need to configure a dump device then when > the system crashes a crash dump will be written to /var/crash by > default. You then run kgdb on the file to get the backtrace. > >
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