On Mon, 2005-02-21 at 14:46, Adam Felson wrote: > I'm building a diskless (root nfs mounted) epia frontend and am having > some performance issues. While playing dvds or recorded tv, it never > uses more than 60% of the cpu, but I get audio underruns and video > pauses especially the start of show. For the first five seconds, it'll > hiccup every second or so and then settle down although there are still > random hiccups about every 5 minutes. It looks like during those first > few seconds there is network activity from the nfs server as well as the > mythbackend. >
Yep -I'm banging my head off the wall with the same problem as I type. > I have a network hub and suspect that replacing it with a buffering > switch might fix the problem. Or perhaps move the software to a laptop > drive instead of running from an nfs partition? I've run my EPIA with a HDD and still seen the problem. > Has anybody else seen such behavior with a remote frontend? Is it > possible to increase the amount of buffering? Not sure. I tried netperf'ing the FE from the BE and saw good throughput. I've tried different soundcards since it looked like an audio buffer issue. I've got to a point where DVDs play fine. I use xine and recompiled with the VIA options to get H/W mpeg and the picture quality is superb. I've had my share of audio problems there too. I was using the onboard sound but found that I got dropouts in the AC3 from the soundcard so I fixed that by sticking a spare SB Live in but that made the Myth audio buffer underruns WAY worse :( I'm on the verge of recompiling ALSA as I'm on 0.7. I've rebuilt the F/E a couple of times too - current CVS vs 0.17 release. If you find any light at the end of the tunnel please let me know :( Cheers Paul Apologies if this is multi posted. My mail server is doing strange things at the moment :(
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