Re: [Xenomai-help] Xenomai and MSI enabled crashes kernel

[Philippe Gerum <rpm@xenomai.org>]

On Tue, 2007-05-08 at 13:53 +0200, M. Koehrer wrote:
> Hi Philippe,
> 
> as mentioned in my previous mail, the new patch works fine. However, I get the error
> APIC error on CPU0: 00(20)
> APIC error on CPU1: 00(40)
> when unloading (rmmod) xeno_native.
> I have looked closed to that issue and I have found out that this happens
> within the inline function xnarch_notify_halt() (file pod.h)
> 
>     for(cpu=0; cpu < nr_cpus-1; ++cpu)
>         down(&xnarch_finalize_sync);
> 

It's likely happening a few lines earlier, when sending IPI2 to
synchronize all CPUs during Xenomai shutdown. Ok, I will have a look
asap.

> Perhaps this helps to detect the issue...
> 
> Regards
> 
> Mathias
> > Does this patch improve things?
> > 
> > http://download.gna.org/adeos/patches/v2.6/i386/adeos-ipipe-2.6.20-i386-1.8-
> > 00.patch
> > 
> > -- 
> > Philippe.
> > 
> > 
> > 
> 
-- 
Philippe.