[mythtv-users] Mythfrontend segfaults on load

Gerald Schepens schepens at shaw.ca
Sun Nov 19 10:51:46 UTC 2006


Right you are.  glxgears crashes like a Greek plate on a tile floor.

So, um, what now?

Dylan Semler wrote:
> On 11/18/06, *Gerald Schepens* <schepens at shaw.ca 
> <mailto:schepens at shaw.ca>> wrote:
>
>     I had yum updated to kernel 2.6.18-1.2849.fc6 and also got the
>     required
>     ivtv, nvidia lirc packages with the necessary kernel modules, so
>     when I
>     rebooted a couple of days ago, I was running kernel 2.6.18-1.2849.fc6.
>
>     When I tried to start mythfrontend, nothing happened.  This is on
>     my :0
>     display (monitor with nvidia card).  Further exploration revealed that
>     the frontend was dying very shortly after figuring out what painter I
>     had selected.  The log in verbose mode gives the following:
>
> <snip>
>
>
>     And that's it -- after that, the front end segfaults.
>
>     The frontend that runs in the vnc window runs correctly and the remote
>     even works with it.  I did a -v all with it and I've attached the log.
>     (The frontend does a query or two doesn't it!)
>
>     Most notably, the vnc session hasn't got some of the bells and
>     whistles
>     of the actual front end such as GLX and RANDR.  Hopefully somebody can
>     tell what's gone wrong from looking at all this.
>
>
>
> While troubleshooting a different problem, I swapped my GPU to an 
> older card that I had and noticed mythtv segfaulting as well.  I think 
> it is a GLX problem as glxgears segfaulted too.  I was using the same 
> kernel as you ( 2.6.18-1.2849.fc6) and a GeForce 4200 Ti.  I didn't 
> really investigate it too much because switching back to my newer GPU 
> solved this, but it seems something may have changed in the recent 
> kernel/nvidia driver/nvidia kernel module to cause this.  Verify that 
> glxgears segfaults as well and then try rolling back.  Post your 
> results--I had been fearing something was broken with my old GPU.
>
> -- 
> Dylan
>
> Type faster.  Use Dvorak:
> http://dvzine.org
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