Messages in this thread | | | Date | Sat, 16 Feb 2008 11:09:42 +0100 | From | Gabriel C <> | Subject | Re: [2.6.25-rc1] jerky mouse cursor and randoooom key repeats |
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Mike Galbraith wrote: > On Sat, 2008-02-16 at 02:23 +0100, Gabriel C wrote: >> Pavel Machek wrote: >>> Hi! >> Hi , >> >>>> I'd not really done any real workkkk under 2.6.25 yet, but now while running >>>> a kernel compile with -j4 (single processor, dual core Pentium D), I see >>>> this behavior. The mouse cursor moves a bit jerky and I sometimes get key >>>> presses repeated. >>> I see this one, too... x60, too... >>> >> I have that problem on my Dell Precision WorkStation , as soon I stress the box >> a bit keyboard is going mad. > > Sounds like you may have CONFIG_GROUP_SCHED set?
Yes it was set to y here.
> Bisection fingered > 6b2d7700266b9402e12824e11e0099ae6a4a6a79 as the source here.
I can't confirm is that commit because I cannot revert it clean but I can confirm there is something wrong with CONFIG_GROUP_SCHED.
( maybe Peter or Ingo knows =) )
Turning CONFIG_GROUP_SCHED off on this box fixes the mouse and keyboard problems. ( and some other , eg: box doesn't feel 'slow' and 'laggy' anymore )
> > -Mike >
Gabriel
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