On Wed, 2009-05-13 at 15:18 +0200, Jan Kiszka wrote:
> Gilles Chanteperdrix wrote:
> > Jan Kiszka wrote:
> >> Hi Gilles,
> >>
> >> I'm currently facing a nasty effect with switchtest over latest git head
> >> (only tested this so far): running it inside my test VM (ie. with
> >> frequent excessive latencies) I get a stalled Linux timer IRQ quite
> >> quickly. System is otherwise still responsive, Xenomai timers are still
> >> being delivered, other Linux IRQs too. switchtest complained about
> >>
> >>     "Warning: Linux is compiled to use FPU in kernel-space."
> >>
> >> when it was started. Kernels are 2.6.28.9/ipipe-x86-2.2-07 and
> >> 2.6.29.3/ipipe-x86-2.3-01 (LTTng patched in, but unused), both show the
> >> same effect.
> >>
> >> Seen this before?
> > 
> > The warning about Linux being compiled to use FPU in kernel-space means
> > that you enabled soft RAID or compiled for K7, Geode, or any other
> 
> RAID is on (ordinary server config).
> 
> > configuration using 3DNow for such simple operations as memcpy. It is
> > harmless, it simply means that switchtest can not use fpu in kernel-space.
> > 
> > The bug you have is probably the same as the one described here, which I
> > am able to reproduce on my atom:
> > https://mail.gna.org/public/xenomai-help/2009-04/msg00200.html
> > 
> > Unfortunately, I for one am working on ARM issues and am not available
> > to debug x86 issues. I think Philippe is busy too...
> 
> OK, looks like I got the same flu here.
> 
> Philippe, did you find out any more details in the meantime? Then I'm
> afraid I have to pick this up.

No, I did not resume this task yet. Working from the powerpc side of the
universe here.

> 
> Jan
> 
-- 
Philippe.



_______________________________________________
Xenomai-core mailing list
Xenomai-core@gna.org
https://mail.gna.org/listinfo/xenomai-core

Reply via email to