linux-kernel - RE: [PATCH 1/3] xen/mce: Add mcelog support for Xen platform (RFC)

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Message-ID: <DE8DF0795D48FD4CA783C40EC82923351FC0C8@SHSMSX101.ccr.corp.intel.com>
Date:	Wed, 30 May 2012 14:40:56 +0000
From:	"Liu, Jinsong" <jinsong.liu@...el.com>
To:	Borislav Petkov <bp@...64.org>
CC:	'Konrad Rzeszutek Wilk' <konrad.wilk@...cle.com>,
	"'linux-kernel@...r.kernel.org'" <linux-kernel@...r.kernel.org>,
	"Luck, Tony" <tony.luck@...el.com>,
	"'xen-devel@...ts.xensource.com'" <xen-devel@...ts.xensource.com>
Subject: RE: [PATCH 1/3] xen/mce: Add mcelog support for Xen platform (RFC)

Borislav Petkov wrote:
> On Tue, May 29, 2012 at 04:40:19PM +0000, Liu, Jinsong wrote:
>> From calltrace seems it's related to device_initcall. Borislav, would
>> you please send me your .config? I can try to reproduce it and debug
>> it.
> 
> Attached. It is xen-less :).
> 
>> (BTW, your kernel pull from
>> git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git? I
>> want to keep same baseline with you)
> 
> Actually, it is
> 
>  git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
> 
> but it should be the same thing (symlinked or so).
> 
> Head is v3.4-8261-ga01ee165a132.
> 
>> Attached is the .config at my environment which boot linux3.4.0-rc1+
>> as dom0 at Xen platform. Under this environment & config it's OK.
> 
> Why does it say "linux3.4.0-rc1+"? This is old. Or do you mean 3.4 +
> patches? See head commit id above.
> 
> And you need to test baremetal too with your patch, not only as a dom0
> kernel.
> 
> Thanks.

I pulled latest kernel and patched my patch, but cannot reproduce the bug (it works OK under both baremetal and xen platform).
Anyway, it's not important now, I have found root cause, the patch will only affect amd mce logic, I will explain in next email.

Thanks,
Jinsong--
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