Hi! > > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=10919 > > Subject : [regression] display dimming is slow and laggy - Acer Travelmate 661lci > > Submitter : Maximilian Engelhardt <maxi@xxxxxxxxxxxxx> > > Date : 2008-06-14 22:31 (23 days old) > > References : http://marc.info/?l=linux-kernel&m=121348428828320&w=4 > > I wonder if this one could be related. The 'nr_zones' overwriting bug > would result in kswapd not reclaiming any memory asynchronously, so the > kernel would basically be constantly under a low-memory situation, and > processes would be forced to do synchronous reclaim. > > That, in turn, could easily explain laggy operation, especially if it is > something bigger that needs to allocate new memory (not that I know if X > dimming needs to, but I could imagine that it does some double buffering > or whatever). Hmm, but that would mean whole system is slow, right? I'd bet this is ACPI EC problem... Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe kernel-testers" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
