Re: clockevents: fix resume logic

Andrew Morton
2007-09-11T08:21:49Z

On Tue, 11 Sep 2007 09:47:20 +0200 Thomas Gleixner <tglx@linutronix.de> wrote:

> On Tue, 2007-09-11 at 09:23 +0200, Thomas Gleixner wrote:
> > > I went back to the original patch which I sent to Linus and it matches
> > > 18de5bc4c1f1f1fa5e14f354a7603bd6e9d4e3b6. So all I can think is that there
> > > must have been something else in the tree which I tested which fixed the
> > > bug which 18de5bc4c1f1f1fa5e14f354a7603bd6e9d4e3b6 introduced. argh.
> > >
> > > Can you think what would cause the symptoms which I described?
> >
> > It seems that time is not updated. Timer interrupt not active or some
> > other odd thing. I figure out what's going on when I find a box which
> > exposes the problem.

2.6.22-rc6-mm1's git-acpi.patch contains something which fixes this bug.
It's a quarter megabyte :( Presumably clockevents-fix-resume-logic.patch
depended on something which was in that git-acpi.patch but which for some
reason didn't get merged. Ho hum, I'll take a look, see if I can spot it.

> Can you please try the following command line options:
>
> nolapic_timer

Works

> nohz=off

Fails

> highres=off

Fails

> nohz=off highres=off

Works