On Tue, 2007-09-11 at 01:20 -0700, Andrew Morton wrote:
> On Tue, 11 Sep 2007 09:47:20 +0200 Thomas Gleixner <[email protected]> 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
Ah. Adding your observation of the missing bit from the acpi stuff, I
think this must be related to the broadcast functionality.
Btw, 23-rc6 does not resume the Intel Video card on one of my laptops.
Sigh !
tglx
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