[mythtv-users] Upgraded to 10.04, now mythfrontend gets a segmentation fault on live TV

Douglas Peale Douglas_Peale at comcast.net
Sun May 2 04:00:50 UTC 2010

Hash: SHA1

On 05/01/2010 12:45 PM, Douglas Peale wrote:
> On 05/01/2010 12:39 PM, Michael T. Dean wrote:
>> On 05/01/2010 04:27 AM, Douglas Peale wrote:
>>> I just upgraded to Ubuntu 10.04, and now mythfrontend get a
>>> segmentation fault when I try and view live TV.
>>> I had to remove mythbuntu-desktop to enable the upgrade to happen (see
>>> bug #571743), and I can't add it back without it removing ubuntu-desktop.
>>> Somehow both were installed on 9.10.
>>> Anyway, this is what I get when I run from the command line and then
>>> click on live TV:
>> The symptom sounds a lot like you left 0.22-fixes mythtv
>> binaries/libraries on your system and they're breaking the new upgraded
>> 0.23-fixes.  Did you upgrade a pre-existing install?  If so, I highly
>> recommend uninstalling all of MythTV and making sure no MythTV stuff is
>> left, then install 0.23-fixes.
>> Mike
>> _______________________________________________
>> mythtv-users mailing list
>> mythtv-users at mythtv.org
>> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
> I upgraded Ubuntu to 10.04, mythTV was already running the daily builds. I may be wrong, but I was under the impression I was already running 0.23 successfully before upgrading Ubuntu.

The problem is related to opengl.
I had been using opengl to render frames, I saw a thread on the Ubuntu forums complaining about openGL being broken, so I switched to a different method of rendering frames.
mythfrontend no longer causes a segmentation fault when I view live TV.
But I get no sound, and my old method of getting sound, running "sudo /etc/init.d/alsa-utils restart" no longer works because 10.04 removed alsa-utils.
I just found that I can get audio working using the mixer and toggling the main mute button.

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