[mythtv-users] 0.21 Not Viewable on VIA EPIA M10K

[Paul Bender]

Stephen Robertson wrote:
>> At 02:11 AM 3/12/2008, Stephen Robertson wrote:
>>
>> On Wed, Mar 12, 2008 at 12:25 AM, Paul Bender <pebender at san.rr.com> wrote:
>>> Mache Creeger wrote:
>>>  > I have tried all the playback options I can think of and either I get
>>>  > a choppy video experience or I get mythfrontend crashes. Does anyone
>>>  > have 0.21 playing recorded video on a VIA EPIA M10K and if so, how
>>>  > did you do it?
>>>
>>>  Not that it is likely to help you in your situation, but I have it
>>>  working in MiniMyth. It runs as well as MythTV 0.20 on my VIA EPIA
>> SP8000E.
>>>  MiniMyth builds the openchrome xorg driver before building MythTV. As a
>>>  result, the MythTV configure script detects the openchrome libchromeXvMC
>>>  and libchromeXvMCPro libraries and enables XvMC-VLD support.
>>>
>>>  MiniMyth's MythTV 0.20 and trunk are patched so that when xvmc-blit is
>>>  used and codec does not support xvmc-blit but does support xv-blit,
>>>  xv-blit is chosen rather than the first in the codec's list (which is
>>>  often opengl). As a result, MiniMyth is much less likely to fall back to
>>>  opengl rendering and crash due to the bug in the unichrome Mesa driver.
>> I've not had a chance to do any investigation yet but I've upgraded my
>> M10K from Minimyth 0.20b?? to 0.21b40 and am having the same problems
>> with choppy, in fact not really playing at all, video and frontend
>> crashes.  It had been working perfectly for months.  Really not sure
>> where to start at all!
> Made progress by changing the playback profile options so recordings
> now playback correctly however whenever I exit from the watch
> recordings screen myth segfaults.  Don't quite know how to proceed
> from here.
> 
> Any suggestions gratefully received.

This appears to be a problem relating to the unichrome_dri driver in 
Mesa. Since nobody is maintaining this driver, it gets more flaky with 
each version of Mesa. I appears that Mesa 7.0.1 is the last version of 
Mesa that is not completely flaky. Also, because the interaction with 
xscreensaver, Mesa and Xorg 7.3 is flaky, I will revert to Xorg 7.2 as well.