[mythtv-users] Intel 2405s GPU hang using vaapi in Mythtv

william otten williammotten at gmail.com
Sat Jan 11 06:18:07 UTC 2014


On Wed, Dec 25, 2013 at 2:21 PM, Warpme <warpme at o2.pl> wrote:

> On 24/12/13 17:48, william otten wrote:
>
>> I currently have a gpu hanging problem while using mythtv and vaapi on an
>> Intel Core i5-2405S. I have tried using different versions of vaapi, Ubuntu
>> and Debian and I am currently working with someone at Intel via
>> freedesktop.org <http://freedesktop.org>. Here is the bug report:
>>
>> https://bugs.freedesktop.org/show_bug.cgi?id=71276
>>
>> Basically Intel has acknowledged the issue and is working on a solution.
>> They have issued a patch for vaapi to remedy the gpu hang error which they
>> say works in Mplayer for them. I tried the patch but the original issue
>> still exists using Mythtv. I also tried the patch using VLC and the issue
>> seems to be fixed where as prior VLC confirmed the Mythtv error. At this
>> point there seems to be two video programs that work with the solution and
>> one that doesn't. This is where I need some help from the Mythtv group
>> since Intel has kinda halted on their end.
>>
>> Another issue has arisen while working on a solution for the gpu hang
>> error. During the last test using Mythtv the patch as well as Intel's
>> experimental vaapi libva 1.2.2.pre2. The overall video quality changed,
>> here is what I posted..."The video is now corrupted. The color is off.
>> Reds, blues, etc...are not balanced but very bold on certain parts of the
>> video. Kinda reminds me of sepa for a photo but with color extremes." I
>> again tested with VLC with no problems. Also Intel doesn't have this issue.
>> Here is a photo of the issue:
>> https://dl.dropboxusercontent.com/u/17574275/Mythtv%
>> 20screen%20problem%20using%201.2.2.prel.png
>>
>> So currently I have two issues that hopefully I can get some feedback
>> from the group.
>> I tested mythtv vaapi with and without de-interlacing, without any
>> difference. Also VLC had vaapi enabled during testing.
>>
>>
>> _______________________________________________
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>>
> William,
> Color issue on libva-intel-driver 1.2.2 relates to internal driver picture
> controls conversions. I created patch which fixes picture controls issue.
> You have to apply patch and rebuild libva-intel-driver. I see colour issue
> just got bug report (73016) with has the same solution like mine :-)
> If You want to use already patched driver (and You are ready to experiment
> with network booting frontend) - You may consider
> http://minimyth2.linuxd.org
> It already contains this patched/tested driver.
> I tested it on 3220T (HD2500) and I and have correct and stable operation.
>
> br
>
>
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>
>
I appreciate the corrected driver for the color issue but I was able to get
the patch and compile. I'm still working with Intel on the gpu hang error.
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