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Re: [Qemu-devel] E5-2620v2 - emulation stop error

From: Paolo Bonzini
Subject: Re: [Qemu-devel] E5-2620v2 - emulation stop error
Date: Tue, 10 Mar 2015 20:25:53 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0

On 10/03/2015 19:21, Bandan Das wrote:
> Paolo Bonzini <address@hidden> writes:
>> On 10/03/2015 17:57, Dr. David Alan Gilbert wrote:
>>> I'm seeing something similar; it's very intermittent and generally
>>> happening right at boot of the guest;   I'm running this on qemu
>>> head+my postcopy world (but it's happening right at boot before postcopy
>>> gets a chance), and I'm using a 3.19ish kernel. Xeon E5-2407 in my case
>>> but hey maybe I'm seeing a different bug.
> Probably a tangent but is the qemu trace identical to what Andrey is seeing ?
> From a cursory look and my limited understanding, it seems his failure is #GP
> when executing video bios.
>> Same here on 3.16 + Xeon E5 v3 kernel.
> I will try to reproduce this on a v2.

I see several failures, usually mine have suberror 1.  With a 32-VCPU
guest I can reproduce it roughly half of the time.


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