From owner-freebsd-stable Fri Feb 22 10:15:41 2002 Delivered-To: freebsd-stable@freebsd.org Received: from tomts13-srv.bellnexxia.net (tomts13.bellnexxia.net [209.226.175.34]) by hub.freebsd.org (Postfix) with ESMTP id 8414B37B417 for ; Fri, 22 Feb 2002 10:15:12 -0800 (PST) Received: from xena.gsicomp.on.ca ([199.243.128.121]) by tomts13-srv.bellnexxia.net (InterMail vM.4.01.03.23 201-229-121-123-20010418) with ESMTP id <20020222181511.UAYN3415.tomts13-srv.bellnexxia.net@xena.gsicomp.on.ca>; Fri, 22 Feb 2002 13:15:11 -0500 Received: from xena.gsicomp.on.ca (xena.gsicomp.on.ca [192.168.0.3]) by xena.gsicomp.on.ca (8.11.1/8.11.1) with ESMTP id g1MI3fi22745; Fri, 22 Feb 2002 13:03:41 -0500 (EST) (envelope-from matt@xena.gsicomp.on.ca) Date: Fri, 22 Feb 2002 13:03:41 -0500 (EST) From: Matthew Emmerton To: Dominic Marks Cc: freebsd-stable@FreeBSD.ORG Subject: Re: frequent page fault panic In-Reply-To: <20020222174946.A9962@host213-123-131-110.in-addr.bto> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG What version of X are you using? 3.3.6 or 4.x? -- Matthew Emmerton || matt@gsicomp.on.ca GSI Computer Services || http://www.gsicomp.on.ca On Fri, 22 Feb 2002, Dominic Marks wrote: > Hi, > > I'm getting the same panic repeatedly on -STABLE. The time length > between panic's varies between about half an hour and several days. It > doesn't appear to be related to system load. The machine is used as a > Desktop - with a few things running. I put some load on the machine > (average of around 40.5 or so and lots of swapping) for an hour. The > machine was fine. That also makes me doubtful that this hardware > related. I have been unable to determine any particular pattern for > the occurance of these panics. There doesn't seem to be a trigger that > I've noticed. > > => > Fatal trap 12: page fault while in kernel mode > fault virtual address = 0xc0bf9953 > fault code = supervisor write, page not present > instruction pointer = 0x8:0xc02842ff > stack pointer = 0x10:0xcca0ff38 > frame pointer = 0x10:0xcca0ff44 > code segment = base 0x0, limit 0xfffff, type 0x1b > = DPL 0, pres 1, def32 1, gran 1 > processor eflags = interrupt enabled, resume, IOPL = 3 > current process = 67995 (XFree86) > interrupt mask = net > trap number = 12 > panic: page fault > <= > > => > (gdb) bt > #0 0xc0131fa2 in dumpsys () > #1 0xc0131d6c in boot () > #2 0xc01321b9 in panic () > #3 0xc01dafac in trap_fatal () > #4 0xc01dac41 in trap_pfault () > #5 0xc01da793 in trap () > #6 0xc02842ff in ?? () > #7 0xc02844ae in ?? () > #8 0xc0284af1 in ?? () > #9 0xc01ddeb3 in intr_mux () > #10 0x87401af in ?? () > #11 0x8740e35 in ?? () > #12 0x8741d5e in ?? () > #13 0x878a9b6 in ?? () > #14 0x81616c5 in ?? () > #15 0x816a4a7 in ?? () > #16 0x816851e in ?? () > #17 0x878afea in ?? () > #18 0x81618e8 in ?? () > #19 0x816a524 in ?? () > #20 0x816b937 in ?? () > #21 0x816ba21 in ?? () > #22 0x80ac801 in ?? () > #23 0x80bbb19 in ?? () > #24 0x806a155 in ?? () > <= > > I'm currently rebuilding my kernel with debug sumbols so I can > provide a more meaningful backtrace. > > I shall try and find out the problem, but my skills are still > immature. I can provide dmesg and other information on request. I'm > also not subscribed to freebsd-stable, so please keep me in the CC: > chain. > > Thank You > -- > Dominic > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-stable" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message