Re: [2/6] 2.6.21-rc2: known regressions

Michael S. Tsirkin
2007-03-08T19:47:09Z

> Quoting Ingo Molnar <mingo@elte.hu>:
> Subject: Re: [2/6] 2.6.21-rc2: known regressions
>
>
> * Linus Torvalds <torvalds@linux-foundation.org> wrote:
>
> > > 3. When I switch to X (CTRL-ALT-F7), X hangs after drawing a couple of windows
> > > after waiting for some 10 min, I rebooted. no new messages showed
> > > up in /var/log/messages
> >
> > I think this is likely just more of the disk being buggered, but it
> > could again be related to NO_HZ (people report time not advancing, and
> > that would make any X timeout taking forever, and you'd see exactly
> > your behaviour).
>
> Michael - does your 'date' output advance after resume? If not then i'd
> say it's a NO_HZ related problem. If yes then i'd guess it's the SATA
> problem.

I'll test, but I have NO_HZ off for now.

--
MST