From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andre Przywara <andre.przywara@amd.com>
Subject: Re: KVM warning about uncertified CPU for SMP for AMD model 2, stepping
 3
Date: Wed, 31 Mar 2010 16:39:49 +0200
Message-ID: <4BB35EB5.5060402@amd.com>
References: <alpine.LNX.2.00.1003310047470.24576@pobox.suse.cz> <20100331024213.GV20695@one.firstfloor.org> <4BB33C0D.9090808@amd.com> <alpine.LNX.2.00.1003311531000.24576@pobox.suse.cz>
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Cc: Andi Kleen <andi@firstfloor.org>, Ingo Molnar <mingo@elte.hu>,
	Avi Kivity <avi@redhat.com>,
	Marcelo Tosatti <mtosatti@redhat.com>,
	Joerg Roedel <joerg.roedel@amd.com>,
	linux-kernel@vger.kernel.org, kvm@vger.kernel.org
To: Jiri Kosina <jkosina@suse.cz>
Return-path: <linux-kernel-owner@vger.kernel.org>
In-Reply-To: <alpine.LNX.2.00.1003311531000.24576@pobox.suse.cz>
Sender: linux-kernel-owner@vger.kernel.org
List-Id: kvm.vger.kernel.org

Jiri Kosina wrote:
> On Wed, 31 Mar 2010, Andre Przywara wrote:
>>
>> BTW.: I encourage people to test their KVM guests with "-cpu host" (on newer
>> QEMUs) and send me any crash logs.
> 
> I just quickly checked ...
> 
snip
> [    0.147235]  [<c0528a80>] init_amd+0x249/0x279
> [    0.148011]  [<c0527d74>] identify_cpu+0xc2/0x223
> [    0.149649]  [<c078822d>] identify_boot_cpu+0xa/0x22
> [    0.152010]  [<c07882c8>] check_bugs+0x8/0xd2
> [    0.153573]  [<c0781a05>] start_kernel+0x32e/0x3a9
> 
> But I admit that this isn't the most up-to-date version, so perhaps it's 
> already fixed ...
No, that is something new. I dug out the kernel (SLES 11.1?) and booted 
with my script, it crashed on FMS 16/9/0, so I guess this machine was a 
Magny-Cours, right?
Anyway, many thanks for the report, I will investigate this.

Regards,
Andre.

-- 
Andre Przywara
AMD-OSRC (Dresden)
Tel: x29712