[PLUG] spontaneous reboots

[Derek Loree]

On Sat, 2004-05-22 at 11:57, Kevin Cosgrove wrote:
> Hi folks, long time no e-see,
> 
> For the last 3-4 days my machine is rebooting on its own.  It shuts 
> down at 6:32-ish and is back up at 6:43-ish.  I've been 
> troubleshooting this, but I could use some help.  Here's what I've 
> done so far:
> 
> - set the clock to before the reboot time and watched it pass
>   right on by the troublesome time without rebooting.
> 
> - run each cron job that runs during those hours and found that
>   none of them cause any problems.
> 
> - checked all my log files:
> 
>     /var/log/kernel/*
>     /var/log/messages
>     /var/log/secure
>     /var/log/security/*
>     /var/log/security.log
>     /var/log/syslog
> 
>   and found nothing.  Really, the log file stops when the
>   shutdown occurs and resumes when the reboot is finished.
> 
> - The day before the shutdowns started happening I installed 3
>   pieces of music software, 2 were LADSPA plugin packages and one
>   was "snd", a sound file editor.  I removed all of that and the
>   problem persists.
> 
> - Checked my tripwire report.  Nothing odd.
> 
> - Mandrake 9.0's "msec" has a bit of an oddball report, e.g. 
> 
>   Security Warning: Change in Suid Root files found :
> 	    -       Newly added suid root file : /usr/X11R6/bin/Xwrapper
> 	    - No longer present suid root file : /usr/X11R6/bin/Xwrapper
> 
>   rpm -V and tripwire both think the offending files are fine.  The
>   above could be reported if the snapshot file that msec uses
>   gets corrupted or out of sync somehow.
> 
> - rpm -Va doesn't report anything new.
> 
> What else could/should I do to find the trouble?

This looks like it is most likely a hardware problem, check the
motherboard for bulging/leaking capacitors.  If they look fine, try
changing power supplies.

Good Luck,

Derek Loree