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

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Message-ID: <alpine.DEB.2.21.1906251330330.32342@nanos.tec.linutronix.de>
Date:   Tue, 25 Jun 2019 13:32:03 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Rong Chen <rong.a.chen@...el.com>
cc:     tipbuild@...or.com, "H. Peter Anvin" <hpa@...or.com>, lkp@...org,
        LKML <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>
Subject: Re: [LKP] [x86/hotplug] e1056a25da:
 WARNING:at_arch/x86/kernel/apic/apic.c:#setup_local_APIC

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