Re: 2.6.7-ck1

kernel
2004-06-28T23:12:24Z

Quoting Pavel Machek <pavel@ucw.cz>:

> Hi!
>
> > > Patchset update. The focus of this patchset is on system responsiveness
> with
> > > emphasis on desktops, but the scope of scheduler changes now makes this
> patch
> > > suitable to servers as well.
> >
> > 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?

Thanks. Turned out to be a buggy yield() implementation on my part. Fixed in
later -ck versions.

Cheers,
Con