RE: PROBLEM: 4.15.0-rc3 APIC causes lockups on Core 2 Duo laptop
From: Thomas Gleixner
Date: Thu Dec 28 2017 - 15:15:10 EST
On Thu, 28 Dec 2017, Dexuan Cui wrote:
> > 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:
Ah, ok. I did not make the connection. I'll have a scan through the tree to
figure out whether there is some other weird place which is missing that.