On Sat 20 Dec 2003 2:38 pm, mushroomblue wrote: > > Attached is a diff between my .config and yours. When you upgraded to > > 2.6, did you use your 2.4 .config file and just run "make oldconfig"? > > heck no. I figured that'd be a problem, being that much has changed. > they didn't advise it back when 2.2 migrated to 2.4, and I figured it'd > be the same with 2.6. :) > > > One performance-related difference I notice right off the bat is that I > > have kernel preemption enabled and you don't. I wouldn't expect this to > > have much of an effect on xmame, though. > > generally, it shouldn't. but the reason it's disabled in that config is > because I read that from 2.6.0-test10 on, they've had a weird bug with > kernel preemption. so I have one bzImage with it enabled, and one with > it disabled. no difference whatsoever, actually. > > the one thing I'm thinking is it's mostly sound-related, so I'm going to > try regressing to the OSS drivers. another thing is that I compile > everything I need into a big monolithic kernel (like linus does), and I > read on the gentoo boards that alsa has issues when not compiled as a > module. >
Another thing to look into is make sure XFree86 is running at nice priority 0. In kernel 2.4, it was a good idea to bump X's priority to -10, which improves responsiveness. Because of 2.6's new scheduler, that's actually counterproductive, so make sure it's 0.
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