Re: [LKP] [x86/hotplug] e1056a25da: WARNING:at_arch/x86/kernel/apic/apic.c:#setup_local_APIC

From: Thomas Gleixner
Date: Tue Jun 25 2019 - 07:32:21 EST


Rong,

On Tue, 25 Jun 2019, Rong Chen wrote:
> On 6/25/19 2:24 PM, Thomas Gleixner wrote:
> > > On 6/22/19 3:08 AM, Thomas Gleixner wrote:
> > > > > on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp
> > > > > 2 -m
> > > > > 2G
> > > > I cannot reproduce that issue. What's the underlying hardware machine?
> > > brand: Genuine Intel(R) CPU 000 @ 2.27GHz
> > > model: Westmere-EX
> > > memory: 256G
> > > nr_node: 4
> > > nr_cpu: 80
> > Ok. I'll try to find something similar. Can please you rerun that test on
> > that particular configuration with the updated branch?
> >
> > git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.x86/ipi
> >
> I have tested commit e0b179bc1a ("x86/apic/x2apic: Add conditional IPI
> shorthands support"), the problem is still exist.

the head of that branch is:

4f3f6d6a7f8e ("x86/apic/x2apic: Add conditional IPI shorthands support")

This is WIP and force pushed. There are no incremental changes. Could you
please check again?

Thanks,

tglx