Re: 2.6.16.1 & D state processes

Mike Galbraith
2006-04-18T12:46:30Z

On Tue, 2006-04-18 at 19:35 +1000, Srihari Vijayaraghavan wrote:
> --- Mike Galbraith <efault@gmx.de> wrote:
> > On Tue, 2006-04-18 at 15:07 +1000, Srihari
> > Vijayaraghavan wrote:
> > > io scheduler cfq registered (default)
> > ...
> > Hmm. Recovers [odd] but takes long time [odder].
> > I'd try to eliminate
> > io scheduler at this point.
>
> Interesting. Considering the minimal .config, where I
> haven't experienced this problem over a week uptime,
> also having CFQ as the default elevator, do you still
> believe CFQ is involved? (I guess if CFQ could be
> influenced by other kernel configurations, then
> perhaps another elevator might help. It's worth
> trying.)

I don't know that CFQ is involved. With it recovering though, the only
thing I could think of was a request stucking in the io scheduler's
gizzard for some reason.

It's just a suggestion, and one you can try without even rebooting.

-Mike