[mythtv-users] Sluggish Frontend on 4k TV

[Duncan Brown]

On 05/12/2015 07:38, Duncan Brown wrote:
> On 04/12/2015 14:18, glen wrote:
>> thought i would do a private reply to you because this may not really
>> be a list issue and my reply may turn out not related.
>>
>> but i had exact same issue when i redid my backend/frontend machine. i
>> went from mythbuntu to arch linux but using the mythbuntu elements,
>> including xfce desktop.
>>
>> this is a 6 core amd processor with lowend 610 nvidia card. on
>> mythbuntu the frontend was fast and would scroll through list quickly
>> and smooth. my first go on new machine, the scroll in the interface was
>> terrible and yet my low end frontend in other room scrolled fine, even
>> better than before (i think because i followed some sql tuning
>> recommendations i found).
>>
>> i tried every setting and made many adjustments to my xorg config.
>> finally i made a new user and ran under new user on clean desktop and
>> it scrolled perfectly. better than previous mythbuntu. as soon as i
>> changed the compositor setting on the desktop and disabled compositor
>> the scroll problem returned. after playing around with the compositor
>> options on the desktop and my xorg config, i was thankfully able to get
>> a good playback on the files and have very nice scrolling. so maybe if
>> you should look into what your desktop settings are like especially
>> compositor. i can send you what i did with the xorg settings which
>> mostly more or less keep things at 1080p unless playing 24 frmae rate
>> where it switches, i am in US so content is either 60hz or 24hz.
>>
>> maybe some of the above might help you. i would first make a new user.
>> and go to new desktop for new user and try frontend without touching
>> anything and see if you discover anything.
>>
>> glen.
>>
>>
>
> Hi Glen
>
> Thanks for the suggestion, I'll have a play around with the options
>
> It's currently running with the defaults
>
> Duncan
>
Oh hey that worked, turns out compositing is disabled by default in 
MATE. Turned it on and everything is back to normal

Thanks!