[mythtv-users] FrontEnd Crash

[Daryl McDonald]

On Thu, May 26, 2016 at 8:05 AM, John Pilkington <J.Pilk at tesco.net> wrote:

> On 25/05/16 22:09, John Pilkington wrote:
>
>> On 25/05/16 17:40, Daryl McDonald wrote:
>>
>>> Greetings Mythizens, I just got a clean install of Ubuntu 16.04 and Myth
>>> 0.28 recording last night, and editing this morning caused crashes every
>>> time I tried to advance in increments smaller than one second. Is there
>>> something I can do to correct this?   TIA  Daryl
>>>
>>
>> I had a similar setup on a box that has now moved elsewhere in the
>> family;  I didn't see anything like this, but it didn't have VDPAU.  You
>> might like to look at https://code.mythtv.org/trac/ticket/12004 (fixed)
>> for hints on what might be happening.
>>
>> I've been using the editor successfully with dvb radio; with that, steps
>> further down the scale than 1 s don't give reliable results - but they
>> don't cause a crash.   I've tried to increase the extent of the editor's
>> audio graph, as well, but have the impression that the decoder often
>> doesn't put all the data that I want in the place where I hope to find it.
>>
>> Cheers,
>>
>> John P
>>
>
> I'll add that my main box - with MythTV in a window on a monitor - has
> been giving occasional video driver warnings, often on quitting the
> frontend but also sporadically, when running in 'Auto' painter mode.
>
> WARNING: at drivers/gpu/drm/i915/i915_gem.c:4504
> i915_gem_free_object+0x2ba/0x310 [i915]()
> WARN_ON(obj->frontbuffer_bits)
>
> Running in Qt mode crashes with radio recordings:
>
> QOpenGLContext::swapBuffers() called with non-exposed window, behavior is
> undefined
>
> but it looks as if OpenGL1 might be ok.   I've just switched over to
> that.  Perhaps worth a look.
>
> Frontend > Setup > Appearance > Paint engine.
>
> ...or show the frontend log?
>
>
>
>
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Curiously enough, after switching from "Myth Centre Wide" to "Steppes Wide"
no crashes.
Maybe I didn't make myself clear, my situation was only in editing in one
second OK point five seconds or smaller Crash.
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