Messages in this thread | | | Date | Wed, 12 Mar 2008 17:49:22 +0100 (CET) | From | Jiri Kosina <> | Subject | Re: Keys get stuck |
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On Thu, 13 Mar 2008, David Newall wrote:
> > The problem is that under heavy load the auto-repeat problem is real; > > I've seen it as well, and it means that I've started to try to avoid > > "make -j4" since that's a great way to trigger it. > I'm sure it does suck under heavy load, although I suppose you could > increase the start time. But I wonder if that is the problem this > time? Modern machines are so damned fast they actually take real effort > to load. Actually, "make -j4" doesn't sound particularly heavy. > There's huge disk i/o in a make. Plenty of scheduling opportunities. > Obviously I only know what everybody else here knows; but with so many > recent posts suggesting a scheduling fault has been introduced, I'm > expecting it to be that.
The problem became much more apparent during early -rc phase of 2.6.25 for those people that have CONFIG_GROUP_SCHED turned on. This clearly shows that X are somehow unhappy with how kernel schedules them, but I don't have idea how autorepeat is implemented inside X and what could be the problem right now.
-- Jiri Kosina SUSE Labs
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