RE: PROBLEM: 4.15.0-rc3 APIC causes lockups on Core 2 Duo laptop

From: Dexuan Cui
Date: Thu Dec 28 2017 - 14:01:44 EST


> From: Thomas Gleixner [mailto:tglx@xxxxxxxxxxxxx]
> Sent: Thursday, December 28, 2017 03:03
> > > On Wed, Dec 20, 2017 at 02:12:05AM +0000, Dexuan Cui wrote:
>
> > > For Linux VM running on Hyper-V, we did get "spurious APIC interrupt
> > > through vector " and a patchset, which included the patch you identifed
> > > ("genirq: Add config option for reservation mode"), was made to fix the
> > > issue. But since you're using a physical machine rathter than a VM, I
> > > suspect it should be a different issue.
>
> Aaargh! Why was this never reported and where is that magic patchset?
> tglx

Hi Thomas,
The Hyper-V specific issue was reported and you made a patchset to fix it:
https://patchwork.kernel.org/patch/10006171/
https://lkml.org/lkml/2017/10/17/120


Thanks,
-- Dexuan