[mythtv-users] Fwd: Re: [mythtv-commits] Ticket #12984: Qt painter crashes frontend in playback of DVB-T radio recordings

[Clay Miles]

On Mon, Jan 30, 2017 at 9:52 AM Peter Bennett <cats22 at comcast.net> wrote:

>
>
>
> -------- Forwarded Message --------
> Subject: Re: [mythtv-commits] Ticket #12984: Qt painter crashes frontend
> in playback of DVB-T radio recordings
> Date: Mon, 30 Jan 2017 09:48:56 -0500
> From: Peter Bennett <cats22 at comcast.net> <cats22 at comcast.net>
> Reply-To: pbennett at mythtv.org
> Organization: MythTV
> To: mythtv-commits at mythtv.org
>
> On 01/30/2017 09:32 AM, MythTV wrote:
> > #12984: Qt painter crashes frontend in playback of DVB-T radio recordings
> > --------------------------------------+-------------------------
> >      Reporter:  J.Pilk@…              |      Owner:
> >          Type:  Bug Report - General  |     Status:  new
> >      Priority:  minor                 |  Milestone:  unknown
> >     Component:  MythTV - General      |    Version:  Master Head
> >      Severity:  medium                |   Keywords:
> > Ticket locked:  0                     |
> > --------------------------------------+-------------------------
> >  My main box (SL7.3, Qt 5.6.1  0.28-pre-189-g98b5662) has a longstanding QL
> >  driver bug that puts occasional reports starting like this into dmesg.
> >  The reports seem more frequent after the recent SL7.3 upgrade.
> >
> >  {{{
> >   WARNING: CPU: 0 PID: 1897 at drivers/gpu/drm/i915/i915_gem.c:4508
> >  i915_gem_free_object+0x2e0/0x340 [i915]()
> >  [332608.612640] WARN_ON(obj->frontbuffer_bits)
> >  }}}
> >  I think it also eats memory, so I stop and restart the frontend from time
> >  to time.
> >
> >  The Qt painter is suggested for use in a case like this, but if I start
> >  playback of a DVB-T radio recording the frontend screen vanishes and I get
> >  continuous reports of
> >
> >  {{{
> >  QOpenGLContext::swapBuffers() called with non-exposed window, behavior is
> >  undefined
> >  }}}
> >
> >  This makes it impossible to use the on-screen editor.  It also happens
> >  with Qt selected on an nVidia-equipped fc24 Qt 5.6.2 0.29-pre-278-gd1f336c
> >  box.
> >
> > --
> > Ticket URL: <https://code.mythtv.org/trac/ticket/12984> <https://code.mythtv.org/trac/ticket/12984>
> > MythTV <http://www.mythtv.org> <http://www.mythtv.org>
> > MythTV Media Center
> > _______________________________________________
> > mythtv-commits mailing list
> > mythtv-commits at mythtv.org
> > http://lists.mythtv.org/mailman/listinfo/mythtv-commits
>
> This is normally caused by using an OPENGL playback profile with a QT
> theme painter. Check if your playback profile is set to one of the
> OPENGL profiles and if so change it to something else (e.g. Normal).
>
>
>
> _______________________________________________
> mythtv-users mailing list
> mythtv-users at mythtv.org
> http://lists.mythtv.org/mailman/listinfo/mythtv-users
> http://wiki.mythtv.org/Mailing_List_etiquette
> MythTV Forums: https://forum.mythtv.org
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mythtv.org/pipermail/mythtv-users/attachments/20170130/340dcf1c/attachment.html>