On Mon, 5 Mar 2007 23:20:58 +0100 "J.A. Magall__n" <[EMAIL PROTECTED]> wrote:
> On Fri, 2 Mar 2007 03:00:26 -0800, Andrew Morton <[EMAIL PROTECTED]> wrote: > > > > > Temporarily at > > > > http://userweb.kernel.org/~akpm/2.6.21-rc2-mm1/ > > > > Will appear later at > > > > > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.21-rc2/2.6.21-rc2-mm1/ > > > > > > 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 Do you think that is a problem which is introduced by -rc1-mm1? It'd be good if you can capture the `top' output while this is happening - it could be the longstanding problem where an app's sleep/run pattern permits it to get a lot of dynamic priority boosting, even though it is CPU-intensive. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/