[mythtv-users] Intel Graphics No Signal when TV Turned On Over HDMI

[Daniel Frey]

OK, this was my fault. It is the same issue James Abernathy reported in
another thread. VAAPI playback profile now works.

On Wed, Mar 2, 2016, 3:53 PM Daniel Frey <dmfrey at gmail.com> wrote:

> I understand that, but there was no trace in the logs indicating an
> error.  I will try to reproduce it again and if there is an error generated
> this time, I will post it.
>
> On Wed, Mar 2, 2016 at 3:36 PM Jean-Yves Avenard <jyavenard at gmail.com>
> wrote:
>
>>
>>
>> Le jeudi 3 mars 2016, Daniel Frey <dmfrey at gmail.com> a écrit :
>>
>>>
>>>
>>> On Wed, Mar 2, 2016 at 5:53 AM Stuart Auchterlonie <
>>> stuarta at squashedfrog.net> wrote:
>>>
>>>> On 29/02/16 19:02, Daniel Frey wrote:
>>>>
>>>> > On a side note, I noticed with this low power SoC box, things like the
>>>> > VAAPI playback profile do not work, rather, just use the Normal
>>>> profile
>>>> > and it seems to playback just fine, no artifacting or tearing. Is that
>>>> > the case with these types of boxes? VAAPI profile just kills
>>>> > Mythfrontend. Put it on Normal and it plays just fine and only bumps
>>>> the
>>>> > CPU to about 32%.
>>>> >
>>>>
>>>> Can you expand and explain "VAAPI profile just kills mythfrontend"??
>>>>
>>>> Does it crash?
>>>> Or just not work?
>>>>
>>>> Sounds like there is something here that needs fixing.
>>>>
>>>>
>>>> Regards
>>>> Stuart
>>>>
>>>>
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>>>
>>>
>>> When I set th VAAPI playback profile in the setup wizard and attempted
>>> to play the Big Buck Bunny sample, myth frontend just crashes. There was no
>>> error message in the mythfrontend log. This was on an SD video as well, not
>>> even the HD one in the wizard. On a previous install it would do the same,
>>> crash the frontend, but the audio would be playing.  I have since blown
>>> away that install and replaced it with this current one (mythbuntu 16.04
>>> beta 1).
>>>
>>> I needed to use the beta because the version of kernel in prior releases
>>> doesn't support the Intel Braswell architecture. First attempt was with a
>>> Xubuntu 15.10 with manual upgrade to kernel 4.4. The 16.04 beta 1 has that
>>> kernel already.
>>>
>>> If I had to guess, I would say the issue is with the intel graphics
>>> driver.  If there is anything you would like me to try, I would be glad to
>>> try to reproduce and see if I can get any log info to share.
>>>
>>
>> Without a backtrace, a "it's crashing" statement is rather not very
>> helpful..
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>
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