On Wednesday, 23 May 2007 19:48, Matt Mackall wrote:
> On Wed, May 23, 2007 at 02:13:30PM -0300, Henrique de Moraes Holschuh wrote:
> > On Wed, 23 May 2007, Rafael J. Wysocki wrote:
> > > While I agree with that, it would really be helpful if you tested the latest -rc
> > > kernel and saw if the bug was present in there.
> > >
> > > If the bug is not present in the latest -rc, it'll be possible to identify the
> > > patch that causes it to appear in -mm and find the reason of the breakage.
> >
> > And, once we know the reason, we will be able to find out how to best fix the
> > problem.
> >
> > So, do please test latest -rc, or bissect to the last known-good kernel. As
> > I said, we need further data points to do anything.
>
> This isn't conclusive as this bug is fairly hard to trigger, but it
> looks like the culprit may have been this patch and not anything in
> -mm or mainline. So the below patch doesn't help the problem it was
> intended for (lid switch no longer wakes up S2R after a S2D cycle) and
> appears to be implicated in making my EC unhappy.
Yes, this was just a debug patch.
We broke quite a few systems by placing platform_finish() before
device_resume() and I suspected your system could be one of them.
Apparently, that's not the case.
In 2.6.22-rc2 we also moved platform_prepare() to after device_suspend()
and that's why I asked you to test this kernel.
Greetings,
Rafael
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