[mythtv-users] Stutter with a P3 933Mhz! Gezzz - more STUTTER!
homepagez at lycos.com
Wed Sep 1 09:29:22 EDT 2004
Lots of great email/feedback. Thanks everyone.
Here are the answers to some of the questions:
- DMA is on (hdparm reports DMA as being on for both the HD and the CDROM)
- I'm using the latest nVidia driver and is set to Driver "nvidia" in XF86Config
- I think the Network stuff is 3com and Linksys
- I've even tried to overclock the CPU to bring it up to 966Mhz (vs. 933)
So - I'm still confused why I'm getting stutter with NTSC content. I still have to "pause" and "un-pause" to get it smooth.
I've even tried changing the AGP setting in XF86Config to use the onboard vs. the nVidia support. No real change (if at all).
So - any other ideas? thanks again everyone for the support.
----- Original Message -----
From: Ben Stanley <bds02 at uow.edu.au>
Date: Wed, 01 Sep 2004 19:29:18 +1000
To: Discussion about mythtv <mythtv-users at mythtv.org>
Subject: Re: [mythtv-users] Stutter with a P3 933Mhz! Gezzz - more STUTTER!
> Check whether you have dma turned on - check the MythTV documentation in
> the troubleshooting page.
> On Wed, 2004-09-01 at 00:12, john roberts wrote:
> > Well - after upgrading my P3 500Mhz CPU to a P3 933Mhz the stutter is better while playing live NTSC TV - but it's still there during live-tv. I have to hit "p" (pause) and then un-pause it to remove all stutter.
> > What is the min footprint for a MythTV frontend???? My other myth box is a front/backend combo with a PVR-250 and a pcHDTV card and I don't seem to have a stutter problem with it (P4 2.6G HT CPU).
> > I've tweaked everything I can think of:
> > - I've re-niced the mythtv process and the X process like others have done
> > - I've checked with TOP and it's not a memory issue (running 256M and not using SWAP at all)
> > - I've compiled with -march=pentium3
> > Have I missed anything? Is a P3 just not capabile of being a frontend?
> > Here are the details:
> > Frontend/Backend combo:
> > - P4 2.6G HT (512M)
> > - nVidia FX5500
> > - PVR-250
> > - pcHDTV
> > - Latest CK's IVTV driver
> > - Latest CVS of MythTV
> > - 100Mbps NIC
> > Frontend:
> > - P3 933M (256M)
> > - some old nVidia card (AGP card)
> > - Latest CVS of MythTV)
> > - 100Mbps NIC
> > Network:
> > - 100M switch
> > -John
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> mythtv-users at mythtv.org
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