Date: Wed, 17 Jan 2001 11:05:26 -0500 (EST) From: Kenneth Wayne Culver <culverk@wam.umd.edu> To: Rob <rob@robhulme.com> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Page faults, Signal 11s Message-ID: <Pine.GSO.4.21.0101171103570.12589-100000@rac3.wam.umd.edu> In-Reply-To: <LPBBLIHFHEKDFLJEBFJGAEBJCEAA.rob@robhulme.com>
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Sounds like bad ram to me. Although I was getting some of these errors at one point on my computer, and I went into bios and turned off "Fast RW turnaround" (I have a T-bird athlon 800 also, running on an abit kt7 motherboard with 256MB ram) and the crashes magically stopped. Anyway, your situation sounds like bad ram to me though... ================================================================= | Kenneth Culver | FreeBSD: The best NT upgrade | | Unix Systems Administrator | ICQ #: 24767726 | | and student at The | AIM: muythaibxr | | The University of Maryland, | Website: (Under Construction) | | College Park. | http://www.wam.umd.edu/~culverk/| ================================================================= On Wed, 17 Jan 2001, Rob wrote: > Hiya :0) > > I persuaded the company I work for to give me some budget to co-locate a box > and let me experiement with web hosting and stuff. They agreed, and with the > (limited) budget I had I bought / built an Athlon 800 with 256MB of PC133 > (normal) SDRAM memory - and a 30GB (or so) IDE HD. > > It ran fine without crashing for about 80 days then all of a sudden it > started crashing seemingly randomly - also Apache processes started to > die... > > I'm fairly new to FreeBSD so I'm not entirely sure what could be wrong... > some people have suggested that my RAM is busted, and that I should have > used ECC SDRAM - others suggested software, and others - well - other things > :0) > > At the moment I can't do anything drastic with the box as I can only > administer is remotely - and its serving client websites at the moment (so > if it died - I'd be like... dead :0). The trial was such a success that I've > been given a much larger budget and I'm going to be buying 2/3 Dell > PowerEdge servers, however the company (and me) would like to have 1 machine > still co-located that I can *play* with when I want to test things... In a > few months the new servers will come online and I can bring this old box > home and do drastic things (like changing memory maybe) with it. > > It would be nice if it could be this box as I don't want to have to spend > ~?1,500 if this can be fixed / repaired. If not however I'm sure it would > make a nice desktop. > > I tried upgrading Apache from 1.1.12 to 1.1.14, and also tried taking out > all the SSL and Perl stuff I had in it - but that didn't help. > > I'm running (from uname -a) > > FreeBSD www.pensionweb.com 4.0-RELEASE FreeBSD 4.0-RELEASE #0: Mon Mar 20 > 22:50:22 GMT 2000 root@monster.cdrom.com:/usr/src/sys/compile/GENERIC i386 > > > > Essentially I'm looking for suggestions of: > > a) What might be causing the problems > b) What I can do to fix it / diagnose it > > I'm including the kind of thing I get in the logs below: > > > Fatal trap 12: page fault while in kernel mode > > fault virtual address = 0x182f0e1 > > fault code = supervisor read, page not present > > instruction pointer = 0x8:0xc0188fa2 > > stack pointer = 0x10:0xc031ac30 > > frame pointer = 0x10:0xc031ac44 > > 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 = net tty bio cam > > trap number = 12 > > panic: page fault > > > > syncing disks... 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 > 16 > ... > > [and another one] > > Fatal trap 12: page fault while in kernel mode > > fault virtual address = 0x80 > > fault code = supervisor read, page not present > > instruction pointer = 0x8:0xc02b2b62 > > stack pointer = 0x10:0xccce6e58 > > frame pointer = 0x10:0xccce6e60 > > 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 = 189 (httpd) > > interrupt mask = net tty bio cam > > trap number = 12 > > panic: page fault > > > > syncing disks... 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 Copyright (c) > 1992-2000 The FreeBSD Project. > ... > > and also this kind of thing: > > > pid 7968 (httpd), uid 65534: exited on signal 11 > > pid 7859 (httpd), uid 65534: exited on signal 11 > > pid 7860 (httpd), uid 65534: exited on signal 11 > > > Hope theres an easy solution! > -Rob :0) > > > > > -------------------------------- > http://www.robhulme.com > http://www.christianunion.org.uk > -------------------------------- > Microsoft: "Where would you like to go to today" > Linux: "Where would you like to go tomorrow" > FreeBSD: "Hey,when are you guys going to catch up" > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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