Anything in /var/log/messages that might hint as to a reason?

-Connie Sieh
On Wed, 25 
Oct 2006, Michael Hannon wrote:

> Greetings.  One of the profs here has a dual-processor (Intel Pentium D 
> CPU 3.20GHz) Dell workstation.  The prof was complaining about browser 
> instability when he  was using SL 4.1.  I didn't see any problems when I 
> used his system for browsing, but I figured that it couldn't hurt to 
> upgrade to SL 4.4.  We proceeded to do the upgrade "in place", according 
> to the "For those a little more cautious" recipe at:
> 
>      https://www.scientificlinux.org/documentation/howto/upgrade.4x
> 
> The professor now reports that browsing is fine, but that the system 
> (i.e., not just the browser) is crashing frequently, as indeed it does 
> seem to be.  See the appended log.
> 
> We've looked at the computer's vital signs, examined various log files, 
> etc., and we don't see anything obviously wrong.
> 
> We're continuing to monitor the system, but I wonder if by some chance 
> anybody out there has seen similar behavior.  Thanks.
> 
> 					- Mike
> 
> # last | grep reboot
> reboot   system boot  2.6.9-42.0.3.ELs Tue Oct 24 10:28  (1+03:27)
> reboot   system boot  2.6.9-42.0.3.ELs Mon Oct 23 10:03  (2+03:52)
> reboot   system boot  2.6.9-42.0.3.ELs Sat Oct 21 13:28  (4+00:27)
> reboot   system boot  2.6.9-42.0.3.ELs Fri Oct 20 14:21  (4+23:34)
> reboot   system boot  2.6.9-11.ELsmp   Wed Oct 18 16:57  (1+21:23)
> 
> 
>