[mythtv-users] HD Help - Slow Guide

John Andrunas john at andrunas.net
Wed Aug 6 18:03:47 UTC 2008


I have had really bad guide performance when the channel icon map is messed
up.  There is a quick way to clear it out, but I forget the details at the
moment.

On Wed, Aug 6, 2008 at 3:50 AM, Ray Whiteman <ray.whiteman at consultant.com>wrote:

> Not sure if this is relevant, but I am experiencing similar problems to
> you, I have also recently found this..... Have not tried any of the
> inline suggestions though.
>
> Bill Stewart wrote:
> > I have two frontends, on one (1) when diplaying HD, the guide is very,
> > very slow to respond to key presses.  On the other (2), its actually a
> > slower processor but very responsive in the guide.
> >
> > On (1), there is a dual processor (T2500 2GHz dual), the xorg process
> > is at 98% of CPU and mythfrontend is at 30%.
> >
> > On (2) there is one processor, P4 at 2.4Ghz, the xorg process is at
> > 10% and mythfrontend at 53.5%.
> >
> > Both have identical video profiles in the mythtv frontend settings.
> >
> > The main difference is that (1) is running Ubuntu Hardy (8.04) with a
> > Nvidia 8400GS and more recent Nvidia driver and a custom 2.6.24 kernel.
> >
> > (2) is Ubuntu fiesty (7.04) with an Nvidia 6200, older Nvidia driver
> > and custom 2.6.20 kernel.
> >
> > In both cases the kernel is optimized (ie. 1000Hz, etc).
> >
> > Any suggestions as to why the faster machine performs worse with HD
> > material?  I've just started to dig into the problem, but I am hoping
> > someone else may have encountered a similar problem as there are a lot
> > of variables to check.
> > ------------------------------------------------------------------------
> >
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> >
>
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-- 
John
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