linux-kernel - Re: [GIT PULL] x86/apic updates for v3.20

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Date:	Fri, 13 Feb 2015 13:05:17 +0800
From:	Jiang Liu <jiang.liu@...ux.intel.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Joerg Roedel <joro@...tes.org>
CC:	Ingo Molnar <mingo@...nel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [GIT PULL] x86/apic updates for v3.20

On 2015/2/13 10:50, Linus Torvalds wrote:
> On Thu, Feb 12, 2015 at 6:08 PM, Linus Torvalds
> <torvalds@...ux-foundation.org> wrote:
>>
>> Jiang, Joerg - that commit seems to cause a lockup at suspend time for
>> me. Now, I haven't verified by reverting it from top-of-git yet, but
>> the bisection seemed to be pretty stable. I'll try the revert next (it
>> doesn't revert cleanly, but I can undo it by hand).
> 
> Confirmed. Reverting 5fcee53ce705 make the pixel suspend cleanly again.
Hi Linus,
	Sorry for the trouble. Seems there are conflicts between x2apic
and suspend on Chromebook. With commit 5fcee53ce705 applied, x2apic
may be enabled on Chromebook, which in turn may cause suspend failure.
Could you please help to revert the change first? I will try to find
a Chromebook laptop and do more investigation.
Regards!
Gerry

> 
>                          Linus
> 
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