Date: Mon, 8 Mar 2004 18:40:09 -0800 (PST) From: Doug White <dwhite@gumbysoft.com> To: "Forrest W. Christian" <forrestc@imach.com> Cc: freebsd-stable@freebsd.org Subject: Re: Kernel Dump Message-ID: <20040308183906.E63095@carver.gumbysoft.com> In-Reply-To: <Pine.WNT.4.56.0403061821080.3188@MEMPHIS> References: <Pine.WNT.4.56.0403061821080.3188@MEMPHIS>
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On Sat, 6 Mar 2004, Forrest W. Christian wrote: > I recently swapped out a motherboard in a FreeBSD server for a new Intel > Pentium 4 motherboard/processor to gain speed. > > Since that time, this machine has been randomly panicing such as: > > Fatal trap 12: page fault while in kernel mode > mp_lock = 00000003; cpuid = 0; lapic.id = 00000000 > fault virtual address = 0x36 null pointer offset deref. > fault code = supervisor write, page not present > instruction pointer = 0x8:0xc01f60fe > stack pointer = 0x10:0xf25cdab8 > frame pointer = 0x10:0xf25cdb58 > code segment = base 0x0, limit 0xfffff, type 0x1b > = DPL 0, pres 1, def32 1, gran 1 > processor eflags = interrupt enabled, resume, IOPL = 0 > current process = 454 (perl) > interrupt mask = net bio cam <- SMP: XXX > trap number = 12 > panic: page fault > mp_lock = 00000003; cpuid = 0; lapic.id = 00000000 > boot() called on cpu#0 > > >From my symbol table, this particular panic appears to have occured in > vm_fault: > > c01f5fcc T vm_fault > c01f6b1c T vm_fault_wire thats not too unsuprising. Can you follow the instructions in the handbook to get a crashdump and use gdb to get a backtrace? > > This appears to be pretty consistent (the instruction pointer). It used > to panic both where I mentioned above and also in pmap.c. Since I did the > last cvsup and kernel rebuild, I haven't seen one from the pmap area. > > Any ideas? > > - Forrest W. Christian (forrestc@imach.com) AC7DE > ---------------------------------------------------------------------- > The Innovation Machine Ltd. P.O. Box 5749 > http://www.imach.com/ Helena, MT 59604 > Home of PacketFlux Technologies and BackupDNS.com (406)-449-3345 > ---------------------------------------------------------------------- > Protect your personal freedoms - visit http://www.lp.org/ > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" > -- Doug White | FreeBSD: The Power to Serve dwhite@gumbysoft.com | www.FreeBSD.org
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