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DateSat, 20 Dec 2003 15:32:11 +1100
FromNick Piggin <>
SubjectRe: 2.6 vs 2.4 regression when running gnomemeeting

Christian Meder wrote:

>On Sat, 2003-12-20 at 04:50, Nick Piggin wrote:
>
>>(although not much Con)
>>
>
>right. Ok I'm running now 2.6.0 with Nick's v28p1: The results without
>load and with kernel compile load are attached. On nice level 0 I get
>now the stuttering sound which I described in the previous mail. When I
>renice gnomemeeting to -10 it's actually usable but not as good as in
>2.4.2x. It's still sensitive to window movement and X activity. Two
>subjective observations are that the nice levels haven't got such a big
>impact in Nick's scheduler they used to have and that the default
>behaviour gnomemeetingwise is better than in earlier Nick schedulers.
>

No, nice levels don't have such a big impact. That is the last big
think I have to fix, but thats another story...

At nice -10, there is basically nothing more the scheduler can do
for it (nice -20 will be a tiny bit better again).

I'd say its due to either sound drivers or your app doing something
different when running in 2.6.
>
>
>>This might be a problem - try turning unmaskirq on, and possibly
>>32-bit IO support on (hdparm -u1 -c1 /dev/hda). I think there is
>>a remote possibility that doing this will corrupt your data just
>>to let you know.
>>
>
>Tried it and doesn't make a difference.
>

dang

>
>>So the 1 gnomemeeting process is doing everything? (except display of 
>>course)
>>
>
>AFAIK yes.
>
>

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