Date: Wed, 4 Jun 2003 16:30:47 -0400 (EDT)
From: "C. Scott Ananian" <cananian@lesser-magoo.lcs.mit.edu>
To: "Grover, Andrew" <andrew.grover@intel.com>
cc: linux-kernel@vger.kernel.org, acpi-support@lists.sourceforge.net
Subject: RE: sleep forever in ACPI mode S3
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Message-ID: <Pine.GSO.4.10.10306041627070.2442-100000@catfish.lcs.mit.edu>
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On Wed, 4 Jun 2003, Grover, Andrew wrote:

> > echo 3 > /proc/acpi/sleep
> >  appears to work correctly on my IBM Thinkpad X20 -- except that it's
> >  impossible to wake the machine back up.
[...]
> Does it start to come back but then not make it, or is it just
> unrevivifiable?

hard to tell, since the screen is off.  nothing i do has any *visible*
effect on the machine.

> In any case, sleep/resume is a work in progress that won't work reliably
                                 ^^^^^^^^^^^^^^^^
> in the near-term.

hence my question.  is there anything i can do to help track down what's
happening?  cf:

> > Is this a known problem?  What keypresses are *supposed* to wake the
> > machine?  I looked through the code, but it looks like we 
> > punt off to the
> > ACPI firmware to do the actual sleep -- can anyone enlighten me on the
> > intended mechanism behind 'wake-from-sleep'?
  --scott

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