[Openchrome-users] [mythtv-users] MythTV Hanging on Video Exit

[Thomas Hellström]

Hi,
Paul Bender wrote:

>Thomas Hellstr?m wrote:
>
>  
>
>>Paul Bender wrote:
>>
>>    
>>
>>>Paul Bender wrote:
>>>
>>> 
>>>
>>>      
>>>
>>>>Thomas Hellstr?m wrote:
>>>>
>>>>
>>>>
>>>>   
>>>>
>>>>        
>>>>
>>>>>Hi,
>>>>>
>>>>>Hans-Erik.Floryd wrote:
>>>>>
>>>>>
>>>>>
>>>>>  
>>>>>
>>>>>     
>>>>>
>>>>>          
>>>>>
>>>>>>Hi,
>>>>>>
>>>>>>As has previously been reported on the list there seems to be a problem 
>>>>>>with exiting video from mythtv. I'm running myth on an SP8000E board and 
>>>>>>most of the time while exiting video I get back to the myth screen but 
>>>>>>the system is unresponsive. Logging in remotely I can see X using 100% CPU.
>>>>>>
>>>>>>I've attempted to trace the problem by adding debug output to the 
>>>>>>driver. It appears to hang when viaStopVideo calls viaOverlayHide. 
>>>>>>Adding further debug output to viaOverlayHide actually made the system 
>>>>>>behave much better, it didn't crash nearly as often. When it did it 
>>>>>>seemed that it happens while calling FlushVidRegBuffer. There's 
>>>>>>eventually a while-loop in there (viaWaitVideoCommandFire), and my guess 
>>>>>>is that for some reason that loop is never exited. This would explain 
>>>>>>the 100% CPU usage.
>>>>>>
>>>>>>Apart from this issue the driver is working beautifully, the mpeg2 
>>>>>>acceleration is great!
>>>>>>
>>>>>>
>>>>>>
>>>>>> 
>>>>>>
>>>>>>    
>>>>>>
>>>>>>       
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>>>>>>            
>>>>>>
>>>>>I've made two small fixes related to this report. One bugfix and one fix
>>>>>making the above mentioned loop time out after 20 ms, which is a
>>>>>reasonable time in this context.
>>>>>
>>>>>Could you try latest SVN (revision 149) to see if it fixes the problem.
>>>>>
>>>>>/Thomas
>>>>>
>>>>>
>>>>>  
>>>>>
>>>>>     
>>>>>
>>>>>          
>>>>>
>>>>When X starts, I get the the message
>>>>"Symbol gettimeofday from module 
>>>>/usr/X11R6/lib/modules/drivers/via_drv.o is unresolved!"
>>>>
>>>>When I start Live TV in MythTV, it crashes.
>>>>
>>>>
>>>>   
>>>>
>>>>        
>>>>
>>>By the way, I am using xorg 6.8.2, kernel 2.6.14.5, and glibc 2.3.6.
>>>
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>>>openchrome-users at openchrome.org
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>>>
>>> 
>>>
>>>      
>>>
>>OK. I've tried another approach in latest SVN, avoiding gettimeofday.
>>
>>/Thomas
>>
>>    
>>
>Great. Thank you. So far, it appears to be working.
>
>  
>
Good. Keep us updated. Also please check if you see any timeout messages in
/var/log/Xorg.0.log.

/Thomas

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