https://bugzilla.kernel.org/show_bug.cgi?id=24032


James C. Georgas <[email protected]> changed:

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--- Comment #6 from James C. Georgas <[email protected]>  2011-01-07 
05:27:38 ---
Workaround: boot with nohpet.

The failure to resume from ACPI S3 (Suspend to RAM) seems to be related to the
HPET subsystem. I had this problem: suspend worked, and on resume the light
would stop blinking orange and go solid blue, but the screen would stay off and
the system was not responsive to input - had to hold the power switch down for
four seconds to cycle power.

I've submitted it on the kernel mailing list, but in the meantime, booting with
the "nohpet" option on the kernel command line allows resume to work for me.
Alternatively, make sure CONFIG_NO_HZ and CONFIG_HI_RES_TIMERS are not set in
your kernel. These two options (in Processor Type and Features) seem to expose
this bug.

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