Date: Fri, 7 Nov 2003 16:36:56 -0600 (CST) From: "Pranav A. Desai" <pdesai1@cs.uh.edu> To: Chris Hastie <lists@oak-wood.co.uk> Cc: freebsd-questions@freebsd.org Subject: Re: Fatal trap 12: page trap while in kernel mode Message-ID: <Pine.GSO.4.33.0311071630500.10975-100000@themis.cs.uh.edu> In-Reply-To: <Z$Qt2$B7%2BAr$Ewc8@celandine.oak-wood.co.uk>
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Hi! I had this issue not long ago and it turned out to be a hardware issue. The memory was bad. I was able to recreate this by running some command like: find / -name file_that_doesnt_exist -print (just so that it will go thru the whole FS). It would puke almost instantly. We replaced the memory and it never happened again. hope this helps -pranav ******************************************************************* Pranav A. Desai On Fri, 7 Nov 2003, Chris Hastie wrote: > I have a nasty feeling that this may be a hardware problem rather than > FreeBSD, but any pointers appreciated. > > Over the last couple of days, with no changes in configuration, one of > my boxes has started to die with increasing frequency, throwing up > errors like this: > > Fatal trap 12: Page trap while in kernel mode > Fault virtual address = 0x2c2 > fault code = supervisor writ, page not present > instruction pointer = 0x8:0xc0272faf > stack pointer = 0x10:0xd54e8cf4 > frame pointer = 0x10:0xd54e8d0c > code segment = bas 0x0, limit 0xffffff, type 0x1b > = DPL0, pres1, def 32 1, gran1 > processor eflags = interrupt enabled, resume, IOPL = 0 > current process = 15 (random) > trap number = 12 > panic: page fault > syncing disks, buffers remaining... panic: free locked buf > Terminate ACPI > > Although it announces that it is about to reboot, it just goes to a > blank console in which even the reset button has no effect (actually it > does cause the HDD LED to flicker for a few seconds). > > Increasingly, cycling the power goes to the same foreboding blank > monitor without even a murmur from the BIOS, let alone an attempt to > boot FreeBSD. > > All the hardware is around two months old - an MSI KM2M motherboard with > AMD Athlon 2200, 512MB RAM and 2 x 60 GB HDD in software RAID 1 using > Vinum. FreeBSD is 5.1 RELEASE. > -- > Chris Hastie > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" >
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