[mythtv-users] Fast CPU, DMA enabled on HD, Xv enabled, still getting pauses in Live TV

Brian brian at boid.isa-geek.com
Sun Aug 17 00:46:19 EDT 2003


I'm having no issues running .11 with a k7s5a, duron 1.1, 512mb of pc133, ata100 drives, TV Wonder VE, generic 2.4.21, bttv 0.7.107 (Could not get 0.9.x to run properly)

Hope this can help point you in the right direction :/

Cheerios

:)

On Sat, 16 Aug 2003 23:37:16 -0700 (PDT)
Joe V <joevph at yahoo.com> wrote:

> This is completely strange, I don't understand it.
> 
> I upgraded to an AMD Athlon XP 2400+ (real speed,
> 2GHz), with an ECS KS57A Pro motherboard today.  The
> motherboard isn't the greatest, but for $89.99 for the
> combo, you can't really beat that.
> 
> Anyway, I have my profile for Live TV setup for
> 480x480, RTJPEG, MP3 Audio compression, level 4
> (middle of the pack or so).  When I run "top", I see
> that mythbackend ranges from 20-43% (CPU), and that
> mythfrontend ranges from 3-15%.  I have DMA enabled on
> my hard drive (hdparm shows this), XVideo is enabled
> on the second head of the Matrox G400 I'm using.  The
> card being used is a Leadtek Winfast TV XP 2000 Deluxe
> (bttv), and I'm using the 2.4.21 kernel, unpatched
> from kernel.org.
> 
> Despite this, I still get a stutter in the video/audio
> every now and then (if you average it out, probably
> once every ten minutes).  The output of "top" doesn't
> seem to spike any, so I don't think that it's the CPU
> not being powerful enough (it should be).
> 
> I've tried a bunch of things...  Swapping RAM
> (currently I'm using PC133, but I took the DDR400 from
> my desktop out and tried it), I've tried not enabling
> the second head on the Matrox (using a monitor), using
> ALSA and OSS, using KDE and Blackbox, heck, almost
> everything I could think of except changing the video
> card (maybe that's it?).  I've also turned off
> unnecessary services in Red Hat 9 (turned off
> sendmail, cups, etc.).
> 
> Does anybody have any further suggestions?  At this
> point, I'm almost suspecting a hardware problem of
> some sort.
> 
> -- Joe
> 
> __________________________________
> Do you Yahoo!?
> Yahoo! SiteBuilder - Free, easy-to-use web site design software
> http://sitebuilder.yahoo.com
> 


-- 
GPG Public Encryption Key available at http://pinkboid.kicks-ass.net/brianbell.key
----


More information about the mythtv-users mailing list