Re: kernel preemption and segfault

[Mathieu Virbel <tito@bankiz.org>]

Benjamin Herrenschmidt wrote:

> On Fri, 2004-10-08 at 17:36, Vincent Bernat wrote:
>
> > OoO Vers la fin de l'après-midi du jeudi 07  octobre 2004, vers 16:53,
> > Mathieu Virbel <tito@bankiz.org> disait:
> >
> >
> > > With kernel preemption, all work perfectly.
> > > Without kernel preemption, they are many bugs:
> > > - under medium/high load, gcc crash randomly
> > > - mozilla have trouble to render (each refresh show a new page)
> > > - xmms segfault under medium/high load (sound crackle and segfault)
> > > - mplayer too
> >
> > I think you switched with and without.
> >
> >
> > > And on time, X freeze.
> >
> > > Kernel preemption isn't usuable under linuxppc ?
> >
> > The situation is going better but it is still not usable.
>
>
> Can you try isolating a given activity or driver that cause the
> stability problem ? It should work, really...
>
> For example, try running without the cpufreq driver ... or without the
> sound driver, etc...
>
> Ben.

Problem exist without cpufreq.
I'm try without running X, only in console: nothing append.

I use XFree 4.3 from debian testing, and with radeon driver, without dri (for
make pmdisk work)

Test in progress...

++tito;

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