5.4-prerelease - hanging under load

Kris Kennaway kris at obsecurity.org
Sat Apr 2 18:57:34 PST 2005

On Sun, Apr 03, 2005 at 04:33:49AM +0200, Matthias Buelow wrote:
> Pierre-Luc Drouin wrote:
> >Since I upgraded from 5.3-stable to 5.4-prerelease, I've noticed that my 
> >computer is hanging badly under load. I've a P4 2.53 GHz without 
> >hyperthreading (no SMP). I use the same kernel configurations than 
> >before. Now when I compile a port for example, the mouse pointer hangs 
> >in Fluxbox and Mozilla takes forever (meaning ~5 sec) to refresh the 
> >screen. Even vi hangs. I do not see any warning/error message. Is it a 
> >known problem with 5.4?
> Not quite as dramatic here, but when, say, the firefox source gets
> untarred, my machine becomes quite unresponsive, including audio
> decoding (xmms) stuttering and the mouse cursor jumping around.
> Haven't seen the likes since the 486 days.  This is 5.4-PRERELEASE
> on a P4 3GHz.  Perhaps some badly balanced scheduler stuff?

You both forgot to mention which scheduler ;-)

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