[Bug 48913] [SNB] Suspend-to-disk occasionally fails to suspend.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=48913

--- Comment #3 from Da Fox <da_fox at mad.scientist.com> ---
(In reply to comment #2)
> Looks like i915 is getting suspended (the "suspend of devices complete after
> 1128.954 msecs" seems to indicate that at least).
> 
> We can try to be sure though by removing the i915 device.  Can you try using
> a stress script like
> http://ubuntu.5.n6.nabble.com/PATCH-0-1-Jaunty-suspend-resume-stress-test-
> scripts-td368223.html and isolate which module might be breaking things?  It
> could also be an ACPI bug, in which case a BIOS upgrade may help...

I don't have any modules, except for 'bbswitch'. This is because everything is
compiled into the kernel. Would doing a hibernate-stresstest without X running
be of any help in pin-pointing the problem?

The BIOS is at the the second-to-last version (at least, it was the
second-to-last version the last time I checked). This is because of a
power-management bug, which is (hopefully) almost resolved. After that I will
test the newer version of the BIOS again, however it appeared that windows
might also have had a higher power consumption under that BIOS, in which case I
will need stick with my current BIOS version.

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