Re: suspend-to-RAM [was Re: Totally broken PCI PM calls]

[Olivier Galibert]

On Mon, Oct 11, 2004 at 08:30:16AM -0700, Linus Torvalds wrote:
> That's the one. suspend-to-disk works, but suspend-to-ram leaves the fam 
> going, and does not come back no matter how many times you press the power 
> button. You need to kill it (twice) by holding the power button for five 
> seconds (which is the "hard-power-off" signal to the southbridge, when 
> everything else is locked up).

I had a somewhat equivalent problem with suspend-to-ram (working but
no wakeup) which required two patches:
- add PWRB and LID0 as wakeup devices[1]
- ignore PRWF since it doesn't send acpi events [2]

It was with a 2.6.8-rc2 kernel, so the situation may have changed since then.

  OG.

[1] Seems added now, did you check the contents of /proc/acpi/wakeup_devices ?
[2] http://bugzilla.kernel.org/show_bug.cgi?id=1920
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