From: Avi Kivity <avi@qumranet.com>
To: Jan Luebbe <jluebbe@lasnet.de>
Cc: kvm-devel@lists.sourceforge.net
Subject: Re: kvm-67: kernel panic while booting debian-40r3-i386-businesscard.iso
Date: Tue, 06 May 2008 17:32:46 +0300 [thread overview]
Message-ID: <48206C0E.2050705@qumranet.com> (raw)
In-Reply-To: <1209940724.5202.2.camel@polaris>
Jan Luebbe wrote:
>> 0f 0d 0b prefetchw (%ebx)
>>
>> This is an AMD 3Dnow! instruction, which is not supported on Intel
>> processors. I guess the 3Dnow! cpuid bit leaked in via the qemu merge.
>>
>> I guess two fixes are needed:
>> - remove the 3Dnow! bit
>> - add emulation for prefetchw (easy, as it doesn't need to do anything)
>> to support live migration from AMD to Intel
>>
>
> This problem still occours with kvm-68. Which CPUs will be affected by
> this (is it only the Core Duo)?
>
All Intels.
> I'm currently delaying the upload of a new kvm package to debian because
> of this.
>
I've fixed it for kvm-69.
--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.
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prev parent reply other threads:[~2008-05-06 14:32 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-28 16:50 kvm-67: kernel panic while booting debian-40r3-i386-businesscard.iso Jan Luebbe
2008-04-28 20:06 ` Joerg Roedel
2008-05-02 10:12 ` Avi Kivity
2008-05-04 22:38 ` Jan Luebbe
2008-05-06 14:32 ` Avi Kivity [this message]
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