From: Marcelo Tosatti <mtosatti@redhat.com>
To: Avi Kivity <avi@redhat.com>
Cc: Hans de Bruin <bruinjm@xs4all.nl>, kvm@vger.kernel.org
Subject: Re: just a dump
Date: Mon, 25 May 2009 15:47:38 -0300 [thread overview]
Message-ID: <20090525184738.GA7137@amt.cnet> (raw)
In-Reply-To: <4A19344B.8070503@redhat.com>
On Sun, May 24, 2009 at 02:49:31PM +0300, Avi Kivity wrote:
> Marcelo Tosatti wrote:
>>> another one. This time the vm where booted sequentialy:
>>>
>>> [ 253.268993] kvm: 2907: cpu0 unimplemented perfctr wrmsr:
>>> 0xc0010003 data 0x0
>>> [ 475.036542] rmap_remove: ffff8800cdb913b0 10 0->BUG
>>>
>> ^^^
>>
>> So 0x10 is 1 bit different from 0x00, which would be the no present
>> entry for AMD.
>>
>> Usually an indication of hardware problems. Perhaps you want to try
>> the test Lucas mentioned.
>>
>
> It's actually the PCD bit, not that it affects your analysis. Strange
> that we see this pattern (1 bit differences on sptes) on both AMD and
> Intel. Very suspicious.
On Intel there was confirmation (through memtest86) that it was memory
failure. The pattern was:
0xff7ffffffffff001
next prev parent reply other threads:[~2009-05-25 18:47 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-12 21:12 just a dump Hans de Bruin
2009-05-12 22:20 ` Hans de Bruin
2009-05-15 14:49 ` Marcelo Tosatti
2009-05-16 8:38 ` Hans de Bruin
[not found] ` <20090516131046.GB3153@amt.cnet>
2009-05-21 10:22 ` Hans de Bruin
2009-05-21 10:36 ` Hans de Bruin
2009-05-21 11:03 ` Hans de Bruin
2009-05-23 21:47 ` Marcelo Tosatti
2009-05-24 8:47 ` Hans de Bruin
2009-05-24 11:49 ` Avi Kivity
2009-05-25 18:47 ` Marcelo Tosatti [this message]
2009-05-21 13:51 ` Lucas Meneghel Rodrigues
2009-05-27 7:43 ` Hans de Bruin
2009-05-28 13:39 ` Lucas Meneghel Rodrigues
2009-07-05 18:40 ` Hans de Bruin
2009-07-06 7:39 ` Avi Kivity
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