Invisible process killing the CPU

[Joe Holden]

Nagy László Zsolt wrote:
> Laszlo Nagy wrote:
>> 75% user, 24.2% system, 0.0% idle. Despite those stats, I do not see 
>> what is eating up 100% cpu time. I already restarted the computer but 
>> it is the same. This problem started some hours ago. The CPU is hot, I 
>> can feel it on the air stream pouring out the computer case. There are 
>> more people that should work with this computer, but they can't. It is 
>> terribly slow. Please help me.
> Probably it is not a problem with the kernel (it was working before) but 
> I tried to upgrade to the latest 6.2 branch. make buildworld is so 
> incredibly slow that I don't think it will finish within a week. :-( 
> Compilation starts, but the C compiler only gets about 0.3% CPU time. 
> The remaining 99.7% is lost somewhere. :-(
> 
>  Laszlo
Possible hardware problem perhaps? Are you able to run a "burn-in" test 
on the machine?

Stabbing in the dark really.

Ta,
Joe