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Re: [Qemu-devel] Re: kvm crashes with spice while loading qxl

From: Jan Kiszka
Subject: Re: [Qemu-devel] Re: kvm crashes with spice while loading qxl
Date: Wed, 02 Mar 2011 12:34:24 +0100
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On 2011-03-02 11:56, Alon Levy wrote:
> On Wed, Mar 02, 2011 at 09:22:35AM +0100, Jan Kiszka wrote:
>> On 2011-03-01 13:58, Alon Levy wrote:
>>> On Sun, Feb 27, 2011 at 08:11:26PM +0100, Jan Kiszka wrote:
>>>> On 2011-02-27 20:03, Alon Levy wrote:
>>>>> On Sat, Feb 26, 2011 at 01:29:01PM +0100, Jan Kiszka wrote:
>>>>>> On 2011-02-26 12:43, xming wrote:
>>>>>>> When trying to start X (and it loads qxl driver) the kvm process just 
>>>>>>> crashes.
>>>>> This is fixed by Gerd's attached patch (taken from rhel repository, don't 
>>>>> know
>>>>> why it wasn't pushed to qemu-kvm upstream). I'll send it to kvm list as 
>>>>> well (separate email).
>>>> Patch looks OK on first glance, but the changelog is misleading: This
>>>> was broken for _both_ trees, but upstream didn't detect the bug.
>>> So I didn't test with qemu not having this patch, but according to the 
>>> discussion in the
>>> launchpad bug the problem only happens with qemu-kvm. This doesn't rule out 
>>> it being a
>>> bug, perhaps it is just triggered much less frequently I guess.
>> Again: qemu-kvm has the instrumentation to detect the bug, qemu is
>> lacking this, but both trees will break subtly if cpu_current_env is not
>> properly restored.
> ok, so what do you want to be done further before this patch is applied?

The patch posted to qemu-devel just requires a changelog that correctly
reflects what it addresses (and where).


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