Le vendredi 12 octobre 2007 à 23:58 +0200, Philippe Gerum a écrit :
> On Fri, 2007-10-12 at 23:51 +0200, Stelian Pop wrote:
> > On Fri, Oct 12, 2007 at 10:22:45PM +0200, Stelian Pop wrote:
> > > Or even go crazy and activate SMP again ?
> > Would have been too easy:
> > # modprobe xeno_native
> > Xenomai: native skin init failed, code -19.
> The I-pipe likely told Xenomai that the LAPIC was unusable, because it
> has been put in dummy state by the clock event layer. Must be something
> silly going on at I-pipe level. Please switch HPET off just for kicks.
No, it doesn't change a thing.
What does change something however is CONFIG_X86_UP_IOAPIC. Without it
(UP or UP+APIC), latency works (albeit with higher latencies - up to 30
us - than with 2.6.20+xeno-2.3.4 - where I saw latencies up to 20-25
_in_SMP_mode_). With IOAPIC I get code 19.
Stelian Pop <[EMAIL PROTECTED]>
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