Date: Tue, 27 Jan 2004 19:50:52 -0500 (EST) From: Robert Watson <rwatson@freebsd.org> To: Stanislav Grozev <tacho@orbitel.bg> Cc: freebsd-stable@freebsd.org Subject: Re: FreeBSD constantly crashing Message-ID: <Pine.NEB.3.96L.1040127194815.52216A-100000@fledge.watson.org> In-Reply-To: <20040127053642.GA10191@octavo.daemonz.org>
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On Tue, 27 Jan 2004, Stanislav Grozev wrote: > I have one FreeBSD server, that recently started to behave strangely. > It has been rock-solid for all of its existence (almost 2 years). > Recently I upgraded it to RELENG_4_9 and it started crashing with kernel > panic approximately every 24 hours, but this varies. I have tried > downgrading to RELENG_4_8 and RELENG_4_7 - the same thing keeps > happening. I have also moved the harddrives in a brand new, albeit > identical machine - Duron 800 MHz, 512MB RAM, Adaptec 29160 Ultra 160 > SCSI, two Fujitsu disks in Vinum RAID1. > > Here is the kernel panic: > > Fatal trap 12: page fault while in kernel mode > fault virtual address = 0x485974e2 > fault code = supervisor read, page not present > instruction pointer = 0x8:0xc01cbfe3 > stack pointer = 0x10:0xc0311854 > frame pointer = 0x10:0xc0311858 > 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 = Idle > interrupt mask = > trap number = 12 > panic: page fault > > attached are the kernel configuration and the dmesg. Please, can anyone > shed any light on this? I thought it was the hardware, but I've changed > everything except the hard disks - new case, new powersupply, new > motherboard, new processor, new RAM, new Adaptec. Are you able to get a crash dump, or compile in DDB and get a stack trace? Does seem odd that the problem would persist after a downgrade -- can you confirm that you don't have any kernel modules that are out of sync with your current kernel source? Robert N M Watson FreeBSD Core Team, TrustedBSD Projects robert@fledge.watson.org Senior Research Scientist, McAfee Research > > Thanks in advance. > > -tacho >
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