Messages in this thread | ![/](/images/icornerl.gif) | | Subject | Re: 2.6 vs 2.4 regression when running gnomemeeting | From | Christian Meder <> | Date | Sun, 21 Dec 2003 02:49:03 +0100 |
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On Sat, 2003-12-20 at 20:34, Marc Schiffbauer wrote: > * Christian Meder schrieb am 19.12.03 um 21:11 Uhr: > > Hi, > > > > I've got a longstanding regression in gnomemeeting usage when switching > > between 2.4 and 2.6 kernels. > > > > Phenomenon: > > Without load gnomemeeting VOIP connections are fine. As soon as some > > load like a kernel compile is put on the laptop the gnomemeeting audio > > stream is cut to pieces and gets unintelligible . On 2.4.2x I don't get > > even the slightest distortion in the audio stream under load. I played > > around with different nice levels with no success. The problem persisted > > during the whole 2.6.0-test series no matter whether I used -mm kernels > > or pristine Linus kernels. Even when nicing the kernel compile to +19 > > the distortions start right away. I tried Nick Piggin's scheduler which > > fared slightly better after changing the nice level of gnomemeeting to > > -10 but it's still a far cry from the 2.4.2x feeling without any > > fiddling with nice values. > > > > Any hints where to start looking are greatly appreciated. > > > > Hi Christian, > > is it true, that your X-Server runs with a higher priority? Perhaps > you are a Debian user? > > If thats the case try to make your X-Server run with normal > priority. That fixed sound problems here too. I had the problem that > I could not play an mp3 file without distortion while compiling a > kernel.
Oh I tried gnomemeeting, the Xserver and the kernel compile at different nice levels without significant changes. Additionally I don't have any problems with audio playback under load, it's just that gnomemeeting is performing worse than in 2.4.2x.
Christian
-- Christian Meder, email: chris@onestepahead.de
What's the railroad to me ? I never go to see Where it ends. It fills a few hollows, And makes banks for the swallows, It sets the sand a-blowing, And the blackberries a-growing. (Henry David Thoreau)
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