Date: Sat, 7 Jun 2008 23:42:38 -0700 From: "Jack Vogel" <jfvogel@gmail.com> To: "Daniel Ponticello" <daniel@skytek.it> Cc: freebsd-net@freebsd.org, freebsd-stable@freebsd.org Subject: Re: kernel panic on em0/taskq Message-ID: <2a41acea0806072342q518ac2afo663c91e730c16db@mail.gmail.com> In-Reply-To: <484AFEF1.4040500@skytek.it> References: <484AFEF1.4040500@skytek.it>
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On Sat, Jun 7, 2008 at 2:34 PM, Daniel Ponticello <daniel@skytek.it> wrote: > Hello, > i'm experiencing periodic kernel panics on a server with FreeBSD 7.0-STABLE > #0: Tue May 20 19:09:43 CEST 2008. > My big problem is that the system is not performing memory dumping and/or > automatic reoboot, > it just stays there. > > Here' console output: > > em0: watchdog timeout -- resetting > kernel trap 12 with interrupts disabled > > Fatal trap 12: page fault while in kernel mode > cpuid = 0; apic_id = 00 > fault virtual address = 0x14 > fault code = supervisor read, page not present > intruction pointerr = 0x20:0xc056e2ce > stack pointer = 0x28:0xe537fc08 > frame pointer = 0x28:0xe537fc28 > code segment = base 0x0, limit 0xfffff, type 0x1b > = DPL 0, pres 1, def32 1, gran 1 > processor eflags = resume, IOPL = 0 > current process = 29 (em0 taskq) > trap number = 12 > panic: page fault > cpuid = 0 > > > It just stays there, unresponsive (no automatic reboot). > > > > Any ideas? There was a problem in the watchdog path, I don't recall if it was checked in to STABLE, I will check after the weekend. But, there is also the question of why you are in the watchdog path in the first place. Jack
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