Re: S3 resume regression [1cf4f629d9d2 ("cpu/hotplug: Move online calls to hotplugged cpu")]

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On Wed, May 11, 2016 at 08:26:58AM -0700, Arjan van de Ven wrote:
> 
> > Oh, and this was with acpi_idle. This machine already failed to
> > resume from S3 with intel_idle since forever, as detailed in
> > https://bugzilla.kernel.org/show_bug.cgi?id=107151
> > but acpi_idle worked fine until now.
> 
> can you disable (in sysfs) all C states other than C0/C1 and see if that makes it go away?
> that would point at the problem pretty clearly...

No help there it seems.

However, as a sanity check I also tested that trick on the parent commit,
and disabling ACPI C2-C3 makes that one fail as well. Disabling just C3
is OK apparently.

-- 
Ville Syrjälä
Intel OTC
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