linux-kernel - Re: PROBLEM: 4.15.0-rc3 APIC causes lockups on Core 2 Duo laptop

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Date:   Sun, 24 Dec 2017 11:29:45 +0800
From:   Dou Liyang <douly.fnst@...fujitsu.com>
To:     Thomas Gleixner <tglx@...utronix.de>,
        Dexuan Cui <decui@...rosoft.com>
CC:     Alexandru Chirvasitu <achirvasub@...il.com>,
        Pavel Machek <pavel@....cz>,
        kernel list <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...hat.com>,
        "Maciej W. Rozycki" <macro@...ux-mips.org>,
        Mikael Pettersson <mikpelinux@...il.com>,
        Josh Poulson <jopoulso@...rosoft.com>,
        "Mihai Costache (Cloudbase Solutions SRL)" <v-micos@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Marc Zyngier <marc.zyngier@....com>,
        "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Simon Xiao <sixiao@...rosoft.com>,
        Saeed Mahameed <saeedm@...lanox.com>,
        Jork Loeser <Jork.Loeser@...rosoft.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        "devel@...uxdriverproject.org" <devel@...uxdriverproject.org>,
        KY Srinivasan <kys@...rosoft.com>
Subject: Re: PROBLEM: 4.15.0-rc3 APIC causes lockups on Core 2 Duo laptop

Hi Thomas,

At 12/23/2017 09:32 PM, Thomas Gleixner wrote:
[...]
>>
>> The BUG_ON panic happens at line 147:
>>                     BUG_ON(!test_and_clear_bit(bit, cm->alloc_map));
>>
>> I'm sure Thomas and Dou know it better than me.
> 
> I'll have a look after the holidays.
> 

Merry Christmas!  :-)

I am trying to look into it.

Thanks,
	dou