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Re: Sleep problems in kernel 2.6 from mvista.com

On Wed, 2003-12-03 at 07:30, Soeren Sonnenburg wrote:
> On Tue, 2003-12-02 at 23:20, Benjamin Herrenschmidt wrote:
> > On Tue, 2003-12-02 at 23:13, Soeren Sonnenburg wrote:
> > > On Mon, 2003-12-01 at 23:38, Benjamin Herrenschmidt wrote:
> [...]
> > What do you mean ? There is no way the new radeonfb would be slower
> > than the old one in 2.6. If you run in 8bpp, you won't get any better
> > without acceleration and the 2.6 radeonfb isn't accelerated (neither
> > the old one nor the new one). 2.4 was. I don't have time to look into
> > the accel code for 2.6 for now.
> Now that you say that, I find that it might be some scheduling problem
> and not the radeonfb:
> When I start find /home for the first time it scrolls slowly. When I do
> it a second time it is still slow. But when I did it a third time it is
> superb fast (only 45sec vs some minutes / approx the same in xterm)...
> When I do it now it seems to accelerate... it starts slow but becomes
> much faster...

What nice level does the X server run at? A negative value may actually
hurt with the 2.6 scheduler.

Earthling Michel Dänzer      |     Debian (powerpc), X and DRI developer
Software libre enthusiast    |   http://svcs.affero.net/rm.php?r=daenzer

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