Re: [2/2] 2.6.21-rc7: known regressions

Rafael J. Wysocki
2007-04-21T09:45:04Z

On Saturday, 21 April 2007 02:02, Jeremy Fitzhardinge wrote:
> Dave Jones wrote:
> > On Fri, Apr 20, 2007 at 10:16:54AM -0700, Jeremy Fitzhardinge wrote:
> > > Dave Jones wrote:
> > > > > Andi, I think. I've got his firstfloor.org patches applied to this kernel.
> > > >
> > > > Ah, I saw you patched in CFS too, and thought it may be related.
> > > >
> > >
> > > Well, I have CONFIG_FB_BACKLIGHT enabled, and it still works.
> > >
> > > Maybe there's something in Andi's queue which is making it work?
> >
> > Shrug, I'm out of ideas. I'm hoping that it'll magically start working
> > when people start flushing their git trees for .22
> > Maybe that'll yield a clue for something that can be backported to .21.x
> > because right now, I'm completely puzzled.
>
> Well, it seemed reliable, but I just got a resume failure. Different
> from any previous symptom I've seen:
>
> Intel machine check architecture supported
> Intel machine check reporting enabled enabled on CPU#1
> Back to C!
> <hang>

Hmm, looks like something in device_power_up() went awry. Probably in
sysdev_resume().

Greetings,
Rafael