Re: Linux 2.6.21-rc4

Thomas Gleixner
2007-03-16T20:40:56Z

On Fri, 2007-03-16 at 21:34 +0100, Rafael J. Wysocki wrote:
> On Friday, 16 March 2007 17:33, Linus Torvalds wrote:
> >
> > I pushed out the -git trees yesterday, but then got distracted, so the
> > patches and tar-balls and the announcement got delayed until this morning.
> > Oops. I'm a scatter-brain.
> >
> > Anyway, the good news about -rc4 is that there's just lots of random
> > fixes. I'm hoping that we've seriously cut down on the regression list,
> > and I'd ask everybody who is on Adrian's list to please re-verify their
> > regression, and in case it's one of the "patches available" ones but I
> > haven't merged (maybe because it hasn't been sent to me!), make sure I do.
>
> I'm afraid that if CONFIG_TICK_ONESHOT or CONFIG_NO_HZ is set, we still have a
> problem with RCU synchronization while nonboot CPUs are being enabled during a
> resume (http://lkml.org/lkml/2007/3/11/144, http://lkml.org/lkml/2007/3/4/88).
>
> Can someone who had this problem with -rc3 check if it's present in -rc4?

I finally found a box today, which shows this problem. I'm working on a
fix.

tglx