Re: 2.6.7-ck1

Felipe Alfaro Solana
2004-06-29T08:19:52Z

On Tue, 2004-06-29 at 00:46 +0200, Pavel Machek wrote:

> > I've found some interaction problems between, what I think it's, the
> > staircase scheduler and swsusp. With vanilla 2.6.7, swsusp is able to
> > save ~9000 pages to disk in less than 5 seconds, where as 2.6.7-ck1
> > takes more than 1 minute to save the same amount of pages when
> > suspending to disk.
>
> That's probably bug in io subsystem. That happened few times in suse
> kernel. Missing unplug?

It seems it was a bug in the yield() logic with the staircase scheduler,
as it has been fixed in -ck2 and -ck3. Surely, it was *not* a problemw
with swsusp.