[mythtv-users] Mythtv on second X screen: several issues

Markus Schulz msc at antzsystem.de
Fri Nov 7 12:27:43 UTC 2008


Am Dienstag, 4. November 2008 schrieb Paul van Gerven:
> OS: Kubuntu Intrepid with KDE 4.1
> Mythtv-version: 0.21.0 from repositories
> Setup: dual head. Monitor through Nvidia graphics card and tv hooked
> up via Hauppauge 350 and ivtv framebuffer
>
> As I tried to upgrade my Kubuntu Feisty installation to Intrepid, I
> discovered that KDE 4 does not support multiple screens. As a result
> I get Plasma running on my monitor, but a black additional X screen
> on my tv on which I can move around the typical ugly X cursor. In
> itself, this is not a problem, as I can run applications on the tv
> using DISPLAY=:0.1. This works, except I get no window borders,
> telling me kwin really isn't running on that screen. For running
> Mythtv this still is no problem however.
>
> The problems start when I for example run the 'appearance' submenu in
> setup, which after completion reloads the interface (prescaling...).
> After this Mythtv is unresponsive. I am thinking this is a focus
> issue.
>
> The bigger problem is that Mythtv crashes when I try to watch live
> tv. The last lines from the output from the -v all option are:
>
> 2008-11-04 21:05:42.163 VideoOutputXv: ctor
> 2008-11-04 21:05:42.163 AO: 24224 bytes free on soundcard
> 2008-11-04 21:05:42.165 XOff: 0, YOff: 0
> 2008-11-04 21:05:42.165 VDP: LoadBestPreferences(720x576, 60)
> 2008-11-04 21:05:42.165 Snapping width to avoid scaling: width: 720,
> left: -10
> 2008-11-04 21:05:42.165 Display Rect  left: -10, top: 0, width: 720,
> height: 540, aspect: 1.33333
> 2008-11-04 21:05:42.165 AO: 24624 bytes free on soundcard
> 2008-11-04 21:05:42.165 Video Rect    left: 0, top: 0, width: 720,
> height: 576, aspect: 1.33333
> 2008-11-04 21:05:42.166 MSqlQuery: SELECT data FROM settings WHERE
> value = 'GuiResolution' AND hostname = 'snotrochel' ;
> 2008-11-04 21:05:42.166 MSqlQuery: SELECT data FROM settings WHERE
> value = 'GuiResolution' AND hostname IS NULL;
> 2008-11-04 21:05:42.166 VideoOutputXv: Pixel dimensions: Screen 0x0,
> window 700x540
> 2008-11-04 21:05:42.167 VideoOutputXv: Estimated display dimensions:
> 191x152 mm  Aspect: 1.25658
> Floating point exception
>
> I can watch live tv on my monitor.
>
> So, any ideas what's going on?

you can try starting mythfrontend with -geometry <your resolution> 
option.


-- 
Markus Schulz


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