[mythtv-users] Lubuntu 16.04 - Latest NVidia update causes frontend to crash

[Stephen Hocking]

> Date: Thu, 3 Nov 2016 17:26:07 -0500
> From: George Bingham <georgeb1962 at gmail.com>
> To: mythtv-users at mythtv.org
> Subject: [mythtv-users] Lubuntu 16.04 - Latest NVidia update causes
>         frontend        to crash
> Message-ID:
>         <CAA2WpHPweHOAkW_y-gQuWuvq9UkwXdxgoreWy6rt9p33rK+
> U_w at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Hello all,
>
> This just happened today. Software updater downloaded and installed new
> Nvidia drivers (version 304.132-0ubuntu0.16.04.2) and after rebooting,
> mythtv frontend crashes when it attempts to launch.
>
> The logs are not reporting an error, but here's where they leave off:
>
> *Nov  3 16:25:15 compuxeon mythfrontend.real: mythfrontend[3070]: N
> CoreContext DisplayRes.cpp:64 (Initialize) Desktop video mode: 1920x1080
> 59.991 Hz*
> *Nov  3 16:25:15 compuxeon mythfrontend.real: mythfrontend[3070]: I
> CoreContext DisplayRes.cpp:208 (SwitchToGUI) Using 1920x1080 59.991 Hz*
> *Nov  3 16:25:15 compuxeon mythfrontend.real: mythfrontend[3070]: I
> CoreContext DisplayRes.cpp:225 (SwitchToGUI) SwitchToGUI: Switched to
> 1920x1080 59.991 Hz*
> *Nov  3 16:25:15 compuxeon mythfrontend.real: mythfrontend[3070]: E
> CoreContext lirc.cpp:208 (Init) LIRC: Failed to connect to Unix socket
> '/dev/lircd'#012#011#011#011eno: No such file or directory (2)*
> *Nov  3 16:25:15 compuxeon mythfrontend.real: mythfrontend[3070]: I
> CoreContext jsmenu.cpp:153 (ReadConfig) No joystick configuration found,
> not enabling joystick control*
> *Nov  3 16:25:15 compuxeon mythfrontend.real: mythfrontend[3070]: E
> CoreContext cecadapter.cpp:125 (Open) CECAdapter: Failed to load libcec.*
> *Nov  3 16:25:15 compuxeon mythfrontend.real: mythfrontend[3070]: I
> CoreContext mythudplistener.cpp:32 (Enable) UDPListener: Enabling*
> *Nov  3 16:25:15 compuxeon mythfrontend.real: mythfrontend[3070]: I
> CoreContext serverpool.cpp:508 (bind) Binding to UDP 127.0.0.1:6948
> <http://127.0.0.1:6948>*
> *Nov  3 16:25:15 compuxeon mythfrontend.real: mythfrontend[3070]: I
> CoreContext serverpool.cpp:508 (bind) Binding to UDP 192.168.1.141:6948
> <http://192.168.1.141:6948>*
> *Nov  3 16:25:15 compuxeon mythfrontend.real: mythfrontend[3070]: I
> CoreContext serverpool.cpp:508 (bind) Binding to UDP [::1]:6948*
> *Nov  3 16:25:15 compuxeon mythfrontend.real: mythfrontend[3070]: I
> CoreContext serverpool.cpp:508 (bind) Binding to UDP
> [2605:a601:2133:4e00:8d1d:678:2d6d:aeda]:6948*
> *Nov  3 16:25:15 compuxeon mythfrontend.real: mythfrontend[3070]: I
> CoreContext serverpool.cpp:508 (bind) Binding to UDP 192.168.1.255:6948
> <http://192.168.1.255:6948>*
> *Nov  3 16:25:15 compuxeon mythfrontend.real: mythfrontend[3070]: I
> CoreContext mythmainwindow.cpp:1041 (Init) Using Frameless Window*
> *Nov  3 16:25:15 compuxeon mythfrontend.real: mythfrontend[3070]: I
> CoreContext mythmainwindow.cpp:1079 (Init) UI Screen Resolution: 1920 x
> 1080*
> *Nov  3 16:25:15 compuxeon mythfrontend.real: mythfrontend[3070]: I
> CoreContext mythrender_opengl.cpp:93 (Create) OpenGL: Sync to VBlank is
> enabled (good!)*
>
>
>
> I am not sure how to debug this, but what I would like to do is look at the
> specific options I have set for whether it's using OpenGL or what exactly
> it has set for it's settings, but since the frontend doesn't load, I don't
> know how to examine my settings.
>
> Any suggestions?
>
> Is there a command line option I can give to the frontend to increase
> logging relative to it's graphic mode settings?
>
> Thanks in advance,
>
> Also, if the answer ends up being to "undo" the latest update... I am not
> sure how to do that, so any hints towards that would be much appreciated!
>
> -- George
>
>
>
I was getting error with playback. I don't use GLX to paint the screen, so
was able to load the front end but not play anything. On looking, I was
running the nvidia-404 legacy drivers.I did the following:

sudo apt-get purge nvidia"*"
sudo apt-get install nvidia-367

And now everything's working again.

-- 

  "I and the public know
  what all schoolchildren learn
  Those to whom evil is done
  Do evil in return"		W.H. Auden, "September 1, 1939"
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