Re: [PATCH] KVM: arm64: Skip interrupts in LRs during EOIcount replay
From: Valentine Burley
Date: Sat Mar 07 2026 - 13:29:36 EST
Hi Marc,
Thanks a lot for your reply.
On Sat, 07 Mar 2026 17:33:08 +0100 Marc Zyngier <maz@xxxxxxxxxx> wrote
> I can't reproduce it locally, but in a crap integration, where the GIC
> is clocked at a few dozen MHz, this is far more likely to happen. I
> should dig that Lazor out of the bin and put it back in the test rig.
>
> In retrospect, it is obvious. I just couldn't see it until then. Many
> thanks for going the extra mile and pointing out the core issue.
Appreciate the clarification!
We also have a few Lazor boards in our CI, and the Trogdors are indeed
legendary for hitting all kinds of edge cases.
<snip>
> Could you please give the hack below a go on your setup? It seems to
> work for me, but given that I never observed the issue the first
> place...
I've tested this on my sc7180 Trogdor setup, and it completely
resolves the issue. The Cuttlefish VM now boots reliably.
Tested-by: Valentine Burley <valentine.burley@xxxxxxxxxxxxx>
Many thanks for the quick solution!
Best regards,
Valentine