[mythtv] MythVideo unberably slow in high resolution, 100% cpu usage by X11.

Mike LaPlante mike at dividia.net
Thu Oct 18 19:43:17 UTC 2007


Nigel Pearson wrote:
> On 18/10/2007, at 9:19 AM, Mikael Leiviskä wrote:
>
>   
>> Earlier I was running mythtv on my media box ( AMD XP2500+ Barton OC'd
>> to 200x10, 1024mb ram GF4 ti4800, 3x 120gb disks in raid5) and  
>> using TV
>> output in 640x480 and everything was fine the menus were snappy  
>> etc, no
>> problems.
>> But I recently got a new display that has 1920x1200 as it's native
>> resolution and after disabling tv-out and using this new resolution
>> mythtv has come to it's knees crawling...
>>     
>
> 1) Wrong mailing list. mythtv-users is more approriate.
>
> 2) You don't actually mention what your video sources are.
> Assuming they MPEG2?
>
> 3) When you say "scroll in the video list", do you mean TV recordings?
> Is "Display live preview of recordings" set? Try turning it off?
>
> 4) The output from "mythfrontend -v playback"
> may help people on the users list to debug your problem
>
> --
>   
Add
Option        "UseEvents" "true"

to the device section of your xorg.conf. Might help with X eating CPU 
usage.

Mike


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