amd64/129238: System randomly panics

Jurriaan Nijkamp alias at
Thu Nov 27 09:20:01 PST 2008

>Number:         129238
>Category:       amd64
>Synopsis:       System randomly panics
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-amd64
>State:          open
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Nov 27 17:20:01 UTC 2008
>Originator:     Jurriaan Nijkamp
>Release:        7.0-RELEASE-p5
FreeBSD merry.grandline 7.0-RELEASE-p5 FreeBSD 7.0-RELEASE-p5 #0: Wed Nov 26 19:51:27 CET 2008     jurrie at merry.grandline:/usr/obj/usr/src/sys/GENERIC  amd64
My home server seems to undergo random kernel panics. The panic string always says "Page fault". I have started a thread on the FreeBSD forums in hope of getting any answers, but did not. Even a seemlingly very knowledgeable forum member was unable to determine the cause, let alone a solution.

The forum thread can be read here:

It contains a dmesg of my system, backtraces of the vmcore.* files and all the things we tried in our quest to solve this mystery. In the end, it was suggested I should submit a problem report in the hopes of finding a solution to this.

If any further information is needed, I would be happy to oblige.
Just leaving the server running and it will panic at some time. Panics seem to be random. At first they occurred frequently when loading a torrent into my torrent daemon, but this ceased after I reformatted my ext3 disks to UFS.

The most recent occurrence was when I was streaming a video to my playstation, using mediatomb. Besides the broad concept of disk and network IO, there is nothing I can pinpoint.


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