> Ariel (my workstation; a Dell Precision 330, 1.4GH) may
> be having a hardware problem of some sort. It has crashed
> several times (3 or 4) since May 2001. Since we are running
> the very same tar image on more than 70 machines (not all
> Precission 330-s) and
> are not having problems on the other machines, I'm suspecting
> hardware. But who knows.
> When the failure occured we were left with the messages below in
> /var/log/messages. Can anyone intuit from these messages
> where to look for the
> problem? I appologize for the long list of lines from
> /var/log/messages but I
> don't know which are the critical ones. A hard reboot was
> needed to restart
> the computer. The one near the top: Unable to handle kernel
> paging request at
> virtual address 74532d86
> seems worth considering as the key problem.
>
> Sep 19 09:19:39 Ariel kernel: NVRM: AGPGART: still in use so
> not releasing backend
> Sep 19 09:19:40 Ariel gdm[11532]:
> gdm_slave_windows_kill_ioerror_handler: Fatal X error - Restarting :0
> Sep 19 09:19:40 Ariel kernel: Unable to handle kernel paging
> request at virtual address 74532d86
> Sep 19 09:19:40 Ariel kernel: printing eip:
> Sep 19 09:19:40 Ariel kernel: d099708d
> Sep 19 09:19:40 Ariel kernel: pgd entry cf183744: 0000000000000000
> Sep 19 09:19:40 Ariel kernel: pmd entry cf183744: 0000000000000000
> Sep 19 09:19:40 Ariel kernel: ... pmd not present!
> Sep 19 09:19:40 Ariel kernel: Oops: 0000
> Sep 19 09:19:40 Ariel kernel: CPU: 0
> Sep 19 09:19:40 Ariel kernel: EIP:
> 0010:[usbcore:__insmod_usbcore_S.bss_L96+1111053/196946291]
> Sep 19 09:19:40 Ariel kernel: EIP: 0010:[]
> Sep 19 09:19:40 Ariel kernel: EFLAGS: 00013a92
> Sep 19 09:19:40 Ariel kernel: eax: c6a885a0 ebx: 74532d6e
> ecx: c0d2c3e0 edx: 9ca5a6d3
> Sep 19 09:19:40 Ariel kernel: esi: c6a885a0 edi: 00000000
> ebp: c3361b5c esp: c3361b44
> Sep 19 09:19:40 Ariel kernel: ds: 0018 es: 0018 ss: 0018
> Sep 19 09:19:40 Ariel kernel: Process X (pid: 11531,
> stackpage=c3361000)
This tells you that it was X that was the offending party. I would run
memtest86 and check your memory. Also, try reseating your CPU(s).
Forrest
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