> > Apr 15 13:49:54 quark kernel: stuck on smp_invalidate_needed IPI wait
> > Apr 15 13:49:54 quark kernel: CPU #0: previous IPI still not cleared after 10mSUnknown interrupt
>
> I'm seeing the same thing. (2.1.34 Intel SMP on dual pentiums.) Sometime
> comes up after three messages and other times it just loops.
this problem is fixed in 2.1.35.
-- mingo