i386/94653: Fatal trap 12: page fault while in kernel mode

[Stanislav]

>Number:         94653
>Category:       i386
>Synopsis:       Fatal trap 12: page fault while in kernel mode
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-i386
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat Mar 18 19:30:16 GMT 2006
>Closed-Date:
>Last-Modified:
>Originator:     Stanislav
>Release:        FreeBSD 6.0-RELEASE
>Organization:
Telros
>Environment:
FreeBSD ats.energo.ru 6.0-RELEASE FreeBSD 6.0-RELEASE #8: Tue Nov 29 21:25:59 UTC 2005     root at ats.energo.ru:/usr/src/sys/i386/compile/STAS  i386
>Description:
System was halted. In log:

ats.energo.ru kernel log messages:
+++ /tmp/security.5QWjTvcl      Fri Mar 17 03:02:22 2006
+Timecounter "ACPI-safe" frequency 3579545 Hz quality 1000
+Timecounter "TSC" frequency 1795508344 Hz quality 800
+
+
+Fatal trap 12: page fault while in kernel mode
+fault virtual address  = 0x0
+fault code             = supervisor read, page not present
+instruction pointer    = 0x20:0xc07ec086
+stack pointer          = 0x28:0xcc9ef9b8
+frame pointer          = 0x28:0xcc9ef9e4
+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                = 249 (natd)
+trap number            = 12
+panic: page fault
+Uptime: 11h57m21s
+Dumping 254 MB (2 chunks)
+  chunk 0: 1MB (159 pages) ... ok
+  chunk 1: 255MB (65072 pages) 239 223 207 191 175 159 143 127 111 95 79 63 47 31 15 ... ok
+
+Dump complete
>How-To-Repeat:
Every 2-5 days
>Fix:
I don't known :(
>Release-Note:
>Audit-Trail:
>Unformatted: