[mythtv-users] Jerky panning all cards and resolutions. Thoughts on where to look?

William Munson william_munson at bellsouth.net
Thu May 17 23:33:55 UTC 2007


Endaf Jones wrote:
> On Mon, 2007-05-14 at 16:32 -0400, William Munson wrote:
>   
>> Hi Listland,
>>
>> Since day one I have noticed that panning scenes have a distinct
>> "gallop". This is independent of video mode, resolution, signal source,
>> real time setting or rendering method. On about a 1/2 to 1 second cycle
>> the pan will speed up and slow down in a repeating pattern. Nothing I
>> have tried has fixed the problem.
>>     
>
> You may want to try changing the Kernel's "HZ" setting to 300 Hz.
> This provides good even timing for both 50 and 60 Hz display systems.
>
> This was brought up in the mail list in the past few months.
>   

Not sure I know enough about kernel settings to feel comfortable that I 
am not going to screw things up worse. Is there a good guide or has 
someone got a precompiled kernel for Ubuntu Edgy with the needed 
"fixes"? I know enough to recompile nvidia and the other manually 
installed packages, just not the kernel. I would really hate to end up 
with a non-bootable system. :(

TIA,
Bill




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