Re: [Qemu-devel] QEMU refusing to die on FreeBSD host

[Jake Myers <i.am.spaz.man@gmail.com>]

Juergen Lock wrote:
> On Mon, Apr 07, 2008 at 09:14:20PM +0200, Juergen Lock wrote:
>   
>> In article <47F99FB4.7050403@gmail.com> you write:
>>     
>>> 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.
>>>       
>> Hmm okay, then its not an SMP issue, thanks for the information!
>> [...]
>>     
>
> OK, I just committed a fix, please try updating your kqemu port and
> tell me if it works for you then.
>
>  Thanx,
> 	Juergen
>
>   
Sorry for my very belated paste, I was away on vacation. It all works 
flawlessly now, thank you very much :-).

Regards
Jacob Myers