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

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Date:   Mon, 1 Jul 2019 17:44:09 +0800
From:   Rong Chen <rong.a.chen@...el.com>
To:     Thomas Gleixner <tglx@...utronix.de>,
        Feng Tang <feng.tang@...el.com>
Cc:     x86@...nel.org, LKML <linux-kernel@...r.kernel.org>,
        "H. Peter Anvin" <hpa@...or.com>,
        "tipbuild@...or.com" <tipbuild@...or.com>,
        "lkp@...org" <lkp@...org>, Ingo Molnar <mingo@...nel.org>
Subject: Re: [LKP] [x86/hotplug] e1056a25da:
 WARNING:at_arch/x86/kernel/apic/apic.c:#setup_local_APIC

On 7/1/19 5:26 PM, Thomas Gleixner wrote:
> Feng,
>
> On Mon, 1 Jul 2019, Feng Tang wrote:
>> On Mon, Jul 01, 2019 at 09:13:54AM +0200, Thomas Gleixner wrote:
>>> On Sun, 30 Jun 2019, Thomas Gleixner wrote:
>>> In case you still have your debug version (that old tree which triggered
>>> the warn) around, could you please run that again and add
>>>
>>>      'lapic=notscdeadline'
>>>
>>> to the kernel command line please?
>> After adding the boot paramter, the result is the same. The dmesg is attached.
> thanks for running that. I'm still puzzled by this.
>
> I've updated my machine to roughly match your setup but I'm still unable to
> reproduce.
>
> Is there anything special on the host kernel configuration? Can you provide
> me that please?

Hi Thomas,

Attached please find the kconfig of host kernel.

Best Regards,
Rong Chen


View attachment "config-4.20.0" of type "text/plain" (168122 bytes)