RE: Native preemption is the culprit [was Re: today's CURRENTlockups]

From: Daniel Eriksson <daniel_k_eriksson_at_telia.com>
Date: Fri, 16 Jul 2004 12:16:28 +0200
Robert Watson wrote:

> Per my earlier post, I've experienced similar unreliability.  The work
> around I'm using is to build with "#define PREEMPTION" from param.h
> disabled.  This results in a quite usable kernel, although 
> quite probably
> more poor interrupt handling latency, etc.

The server I'm running with preemption turned off becomes irresponsive and
the load average skyrockets (10+) whenever I do something as simple as
bzip2-compressing a file. Setting a nice value of 20 does not help at all.
Are you experiencing similar results on your machine?

/Daniel Eriksson
Received on Fri Jul 16 2004 - 08:16:35 UTC

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