[linux-audio-dev] kernel preemption patch and 2.4.19

[Florian Schirmer]

Hi,

> What specific benefits have folks seen by turning on the kernel
> preemption patch in a 2.4.19 kernel?
>
> We found that a nasty system crash was fixed by turning off preemption.
> The crash would happen fairly reliably by switching between virtual
> terminals a number of times. It locked up the system hard. So hard that
> we can't really find the problem in the kernel; we just found a
> work-around basically by trial and error.

Both preempt and ll are known to cause deadlocks on 2.4. If you want a rock
solid system i recommend to go either with vanilla 2.4 or even better 2.6.
There is an interesting thread about scheduling latency going on on
fedora-devel:

http://www.redhat.com/archives/fedora-devel-list/2004-June/msg00031.html

Regards,
   Florian

---

-> Florian Schirmer             -> Software Developer
-> NATIVE INSTRUMENTS GmbH      -> florian.schirmer at native-instruments.de
-> Schlesische Straße 28        -> http://www.native-instruments.de
-> D-10997 Berlin               -> Tel. +49-30-61 10 35-453
-> Germany                      -> Fax +49-30-61 10 35-35
----
New products:

GUITAR RIG - the complete solution for perfect guitar sound
=> http://www.ni-guitar-rig.com

XPRESS KEYBOARDS - xpress versions of PRO-53, FM7, and B4
=> http://www.ni-xpress-keyboards.com

>>>>>> NATIVE INSTRUMENTS - Generate the Future of Sound! <<<<<<