On Fri, 2 Mar 2007 03:00:26 -0800, Andrew Morton <akpm@linux-foundation.org> wrote:
I'm also noticing very bad behaviour wrt scheduling, I think. When I launch my
parallel cpu burning code, the system _really_ stalls, the mouse in X11 is not
jerky, it is _stuck_ for a couple or three seconds...
The only diffrecence is that, trying to solve nVidia driver problems, I disabled
BKL preemption:
werewolf:/usr/src/linux# grep PREEMPT .config
# CONFIG_PREEMPT_RCU is not set
# CONFIG_PREEMPT_NONE is not set
# CONFIG_PREEMPT_VOLUNTARY is not set
CONFIG_PREEMPT=y
# CONFIG_PREEMPT_BKL is not set
--
J.A. Magallon <jamagallon()ono!com> \ Software is like sex:
\ It's better when it's free
Mandriva Linux release 2007.1 (Cooker) for i586
Linux 2.6.20-jam01 (gcc 4.1.2 20070115 (prerelease) (4.1.2-0.20070115.1mdv2007.1)) #1 SMP PREEMPT
-