i386/68554: System freeze on Compaq Evo 600c

[Mathias Samuelson]

>Number:         68554
>Category:       i386
>Synopsis:       System freeze on Compaq Evo 600c
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-i386
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Jul 01 12:00:41 GMT 2004
>Closed-Date:
>Last-Modified:
>Originator:     Mathias Samuelson
>Release:        4.10-STABLE
>Organization:
Proact AB
>Environment:
FreeBSD matsam.dimension.se 4.10-STABLE FreeBSD 4.10-STABLE #0: Fri May 28 21:22:59 CEST 2004     root at matsam.dimension.se:/usr/obj/usr/src/sys/MYKERNEL  i386
>Description:
While in an X environment, the system froze/became unresponsive. After a little while, I tried killing X (ctrl-alt-del) which triggered a reboot.

I think these are the relevant lines from messages:
Jul  1 13:36:18 matsam /kernel: pid 11028 (ruby), uid 0: exited on signal 6 (core dumped)
Jul  1 13:36:18 matsam /kernel:
Jul  1 13:36:18 matsam /kernel:
Jul  1 13:36:18 matsam /kernel: Fatal trap 12: page fault while in kernel mode
Jul  1 13:36:18 matsam /kernel: fault virtual address   = 0x72617637
Jul  1 13:36:18 matsam /kernel: fault code              = supervisor write, page not present
Jul  1 13:36:18 matsam /kernel: instruction pointer     = 0x8:0xc02ad5c1
Jul  1 13:36:18 matsam /kernel: stack pointer           = 0x10:0xe8ea5d60
Jul  1 13:36:18 matsam /kernel: frame pointer           = 0x10:0xe8ea5d68
Jul  1 13:36:18 matsam /kernel: code segment            = base 0x0, limit 0xfffff, type 0x1b
Jul  1 13:36:18 matsam /kernel: = DPL 0, pres 1, def32 1, gran 1
Jul  1 13:36:18 matsam /kernel: processor eflags        = interrupt enabled, resume, IOPL = 0
Jul  1 13:36:18 matsam /kernel: current process         = 11031 (make)
Jul  1 13:36:18 matsam /kernel: interrupt mask          = none
Jul  1 13:36:18 matsam /kernel: trap number             = 12
Jul  1 13:36:18 matsam /kernel: panic: page fault
Jul  1 13:36:18 matsam /kernel:
Jul  1 13:36:18 matsam /kernel: syncing disks... 150 38 31
Jul  1 13:36:18 matsam /kernel: done
Jul  1 13:36:18 matsam /kernel: Uptime: 3h45m23s
Jul  1 13:36:18 matsam /kernel: Automatic reboot in 15 seconds - press a key on the console to abort
Jul  1 13:36:18 matsam /kernel: --> Press a key on the console to reboot,
Jul  1 13:36:18 matsam /kernel: --> or switch off the system now.
Jul  1 13:36:18 matsam /kernel: Rebooting...      
>How-To-Repeat:
Unknown      
>Fix:
      
>Release-Note:
>Audit-Trail:
>Unformatted: