Hi list,
My laptop is running Debian unstable. On 2.4 it used to run DVD full screen pretty much without a hitch. On 2.6, however, things began to go wrong. Frames lost, jittery sound, the works. I've made sure DMA is on for the DVD, that is not the problem.
I managed to make things much much better by adding "elevator=none" to the kernel boot parameters. The default (elevator=as) was the worst, and I can't say for sure whether elevator=deadline is better or not than none. With "none", windowed playback is finally working acceptably good, but full screen playback is still jittery (getting stuck once a second approximately). Like I said - under 2.4 fullscreen was good enough to comfertably watch a movie.
I found the elevator switch when I was looking for different scheduler boot switched. I remeber reading somewhere that you can turn off the low-latency scheduler using a boot parameter, but I can't seem to locate that any more.
Any help will be appretiated.
Thanks,
Shachar-- Shachar Shemesh Lingnu Open Source Consulting http://www.lingnu.com/
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