[mythtv-users] playback stutters after playing for a while

Robert Johnston anaerin at gmail.com
Mon Jun 21 16:05:06 UTC 2010


On 21/06/2010 9:54 AM, Gabe Rubin wrote:
> On Sun, Jun 20, 2010 at 9:06 PM, Robert Johnston<anaerin at gmail.com>  wrote:
>> On 20/06/2010 9:58 PM, Gabe Rubin wrote:
>>>
>>> Hi list,
>>>
>>> When I playback material captured via firewire, the playback will
>>> begin to stutter after playing for a bit.  I can restart X and
>>> playback the material and it will be fine for a few minutes.  Same
>>> with rebooting or shutting off the computer and restarting it,
>>> although it takes longer for the stuttering to start when I do this.
>>> This is a new issue; I have been playing this material with no
>>> problems for years.  I am using a GeForce 6200 (no xvmc) and a Sempron
>>> 3100+.  I know the processor is pushing the limits for HD playback but
>>> as I mentioned, it did work before with virtually no playback issues.
>>> Using the normal playback settings.
>>
>> If I could suggest, try using top to see what is taking your CPU time and
>> memory. Chances are you are near, or at, the capacity of your RAM, and the
>> swapping to hard-drive is causing the stuttering you're seeing.
>>
>> Potential solutions include: Making sure unnecessary daemons are disabled,
>> adding more RAM.
>
> I do not think it is a memory issue because this box has 2 gigs of
> memory in it.  Up until half a year ago, I was using 1 gig with no
> issues.  I suppose one of the memory sticks could have gone bad.  What
> should I be looking for in top (which does show X and mythfrontend
> using most of the CPU when this happens).

I'd say anything that starts taking CPU time away from X and 
mythfrontend. Though it seems unusual that X is taking CPU time. What 
video renderer are you using?


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