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Date: Mon, 07 Apr 2008 00:14:44 -0400
From: Jake Myers <i.am.spaz.man@gmail.com>
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Subject: Re: [Qemu-devel] QEMU refusing to die on FreeBSD host
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To: qemu-devel@nongnu.org

Juergen Lock wrote:
> On Sun, Apr 06, 2008 at 12:55:39AM -0400, Jake Myers wrote:
>   
>> Hello,
>>
>> On FreeBSD 7-STABLE, qemu refuses to exit even after the window is closed. 
>> It is stuck so badly that even kill -9 fails to stop it. I looked in top to 
>> see what it was doing that would cause it to lock so badly:
>>
>> PID USERNAME    THR PRI NICE   SIZE    RES STATE    TIME   WCPU COMMAND
>> 34859 root          1  -8   20   433M   416M devdrn   9:49  0.00% qemu
>>
>> I believe the problem is that qemu for some reason refuses to stop trying 
>> to use the kqemu device.
>>
>> I am running the latest qemu (0.9.1). I can provide a backtrace on request 
>> (I'm really busy right now with other things, so I didn't have time to 
>> attach one).
>>     
>
> Yeah this looks like its the same FreeBSD 7.x/SMP issue that I already
> got reports of (refcount problem, similar to what has already been fixed
> once, only this time it seems to be a race...)
>
>  If it is, you should be able to work around it by using an uniprocessor
> host kernel until a fix is known.
>
>  Sorry...
> 	Juergen
>
>
>
>   
I disabled SMP in my kernel, rebuilt the kqemu module, and tried to run 
it again. The same issue occurs.

Regards
Jacob Myers