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

[Jean-Yves Avenard]

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
> <javascript:_e(%7B%7D,'cvml','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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