Re: port-amd64/39283: Kernel crash on Dell Poweredge 2950

[fredrik%netbsd.se@localhost]

The following reply was made to PR port-amd64/39283; it has been noted by GNATS.

From: fredrik%netbsd.se@localhost
To: gnats-bugs%NetBSD.org@localhost
Cc: port-amd64-maintainer%netbsd.org@localhost,
 gnats-admin%netbsd.org@localhost,
 netbsd-bugs%netbsd.org@localhost,
 fredrik%netbsd.se@localhost
Subject: Re: port-amd64/39283: Kernel crash on Dell Poweredge 2950
Date: Mon, 25 Aug 2008 08:05:33 +0200 (CEST)

 >  Is it connected with some kind of network activity? That seems fairly
 >  likely if the machine's otherwise idle.
 >
 
 We have seen the machine crash both with and without network activity.
 
 
 >   > trap type 6 code 0 rip 0 cs 8 rflags 10202 cr2  0 cpl 6 rsp
 > ffff80004f8a3ab0
 >                        ^^^^^
 >  It has jumped to NULL.
 >
 >  Unfortunately,
 >
 >   > db{0}> bt
 >   > fatal page fault in supervisor mode
 >
 >  ddb doesn't seem to be able to read the stack and tell us where it
 >  came from, either. So there's not much we can do but guess and try to
 >  collect more data...
 >
 >  My guess is a bad callout, but that doesn't narrow it down very much.
 >
 >  --
 >  David A. Holland
 >  dholland%netbsd.org@localhost
 >
 >
 
 
 The machine has been running stable (with -1 in boot.cfg) for the last 21
 days, with a lot of network, I/O and CPU load. What can we do to collect
 more data to help the troubleshooting?
 
 
 Regards
 Fredrik Carlsson