Date: Fri, 1 Aug 2003 12:41:15 -0700 From: "Richard Johannesson" <rtjohan@syspres.com> To: <freebsd-questions@FreeBSD.ORG> Subject: How to debug fatal trap? running on vinum Message-ID: <001a01c35864$df97d770$3d01a8c0@rjc800>
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Had FreeBSD5.1 on a box that had a physical hard-drive failure last = week. So, this time setup the box using mirrored 200GB drives using vinum sub-disks. Setup multiple vinum partitions to help limit any file system corruption. One of those partitions was /dev/vinum/ports which points to /usr/ports. Once the machine was setup with a minimal install, then did a restore = from the image made before the original hdd failure. I've never done that = before, so there is a possibility that I might have restored a file that I = should not have. Got ports updated using cvsup. Then did a make reinstall of /usr/ports/x11/kde3. The last thing I saw before fatal trap & reboot was = the following: ------------------- =3D=3D=3D> Extracting for libxml2-2.5.8_1 >> Checksum OK for gnome/libxml2-2.5.8.tar.bz2. Fatal trap 12: page fault while in kernel mode fault virtual address =3D 0x14 fault code =3D supervisor write, page not present instruction pointer =3D 0x8:0xc02d15d9 stack pointer =3D 0x10:0xcdb35aa8 frame pointer =3D 0x10:0xcdb35adc code segment =3D base 0x0, limit 0xfffff, type 0x1b =3D DPL 0, pres 1, def32 1, gran 1 processor eflags =3D interrupt enabled, resume, IOPL =3D 0 current process =3D 39 (buffdaemon) trap number =3D 12 panic: page fault syncing disks, buffers remaining... panic: bremfree: removing a buffer = not on a queue Terminate ACPI Automatic reboot in 15 seconds - ------------------- Any tips on how to debug this or if there is an article that discusses = how to do this I would be very grateful for any help. The only way I know = how to fix is to rebuild everything - including setting up the vinum volume up again. Takes too long, hoping for a better solution. Clearly a newbie. Thanks, Richard
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