Re: NetBSD dom0 PVH: hardware interrupts stalls

[Manuel Bouyer <bouyer@xxxxxxxxxxxxxxx>]

On Tue, Nov 24, 2020 at 03:09:55PM +0100, Jan Beulich wrote:
> >> [...]
> >>> What we're missing is LAPIC information, since the masked status logged
> >>> is unclear: (-MM) isn't fully matching up with "mask=0". But of course
> >>> the former is just a software representation, while the latter is what
> >>> the RTE holds. IOW for the interrupt to not get delivered, there needs
> >>> to be this or a higher ISR bit set (considering we don't use the TPR),
> >>> or (I think we can pretty much exclude this) we'd need to be running
> >>> with IRQs off for extended periods of time.
> >>
> >> Let's dump the physical lapic(s) IRR and ISR together with the
> >> IO-APIC state. Can you please apply the following patch and use the
> >> 'i' key again? (please keep the previous patch applied)
> > 
> > Done, you'll find the log at
> > http://www-soc.lip6.fr/~bouyer/xen-log6.txt
> 
> Hmm, I can't spot respective output. Are you sure you did this with
> a hypervisor with Roger's latest patch in place?

Ops, sorry I copied xen.gz to the wrong place.
new log at
http://www-soc.lip6.fr/~bouyer/xen-log7.txt

this one ends up in a panic, I hope you'll find what you expect here.

-- 
Manuel Bouyer <bouyer@xxxxxxxxxxxxxxx>
     NetBSD: 26 ans d'experience feront toujours la difference
--