[TriLUG] random re-boots

[Greg Brown]

Try running Knoppix off CD all day to isolate the OS.  The dell laptop 
I was inquiring about over the past couple days was exhibiting the same 
exact symptoms: random reboots.  I swapped out the RAM to isolate a 
possible bad SIM, but that didn't fix the problem and the problem 
persisted while running Knoppix off the CD.  Updating the BIOS didn't 
help either so that only left a hardware component failure on the 
motherboard.

What a great opportunity to upgrade to to a hyperthreading p4 or 64 bit 
beast board! :)

Greg

On Jan 18, 2005, at 7:11 AM, Aaron S. Joyner wrote:

> Jeff Patterson wrote:
>
>> Greetings Fellow Tri-luggers!
>> I seem to be having a small problem of trouble shooting my desktop. 
>> For some reason, it reboots at random during the middle of the day. 
>> I've checked my logs and the most helpful thing I can find is:
>>
>> Jan 17 09:01:00 silk CROND[1839]: (root) CMD (nice -n 19 run-parts
>> /etc/cron.hourly)
>> Jan 17 09:24:42 silk shutdown: shutting down for system reboot
>>
>> I can't seem to find anything that would cause this.  I don't see any
>> failed login attempts and this machine is behind the firewall.  I know
>> the MB is a bit flakey, but I'm trying to isolate the issue before I
>> go out and by another MB.  BTW- I'm running MDK 9.x.  The box is a bit
>> old, but until recently, I haven't had any problems at all.  Thanks in
>> advance for any help I can get!
>>
>> regards,
>> jeff
>>
> If this problem were hardware related - for example a motherboard 
> causing the system to lock up or reboot, you certainly wouldn't get an 
> messages about shutdown being written by syslog.  If I had to take my 
> guess, you've got some service / running program that's taking a nose 
> dive, and voluntary rebooting the system - something with root 
> privileges, which should help narrow it done some.  You might be best 
> served by leaving it alone for a few hours, waiting for it to reboot, 
> turning off a service or two, waiting for it to reboot, etc. until the 
> reboots go away.  You can then inspect more closely the last few 
> services that you disabled, to see what may be wrong with them.
>
> Best of luck in chasing the weird issue!
> Aaron S. Joyner
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