Re: Linux 4.15-rc2: Regression in resume from ACPI S3

[Rafael J. Wysocki]

On Monday, December 4, 2017 11:38:54 PM CET Thomas Gleixner wrote:
> On Mon, 4 Dec 2017, Linus Torvalds wrote:
> 
> > On Mon, Dec 4, 2017 at 2:25 PM, Rafael J. Wysocki <rjw@xxxxxxxxxxxxx> wrote:
> > >
> > > So far, resume from suspend-to-RAM (ACPI S3) is broken on all of the
> > > systems I have tested, so it is probably safe to assume it to be
> > > broken everywhere.
> > 
> > Oh, it's definitely not broken everywhere, because I use it myself,
> > and was traveling last week due to my mom's bday.
> > 
> > HOWEVER.
> > 
> > Some of the x86 work seems to have broken it for some configurations.
> > In particular, do you have a big "everything enabled" kernel config -
> > particularly lockdep and irqflags tracing enabled?
> > 
> > Andy has a patch, but it hasn't made it to me yet (probably because
> > the x86 people are very busy with the kaiser work):

This definitely fixes the problem at least on one of the affected machines.
 
> Picking it up right now.

Cool, thanks!

Rafael