From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Subject: Re: pm-suspend working, but pm-hibernate fails
Date: Thu, 25 Feb 2010 23:37:39 +0100
Message-ID: <201002252337.39683.rjw@sisk.pl>
References: <4B86F96A.1010306@maroy.hu>
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To: =?iso-8859-1?q?=C1kos_Mar=F3y?= <akos@maroy.hu>
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On Thursday 25 February 2010, =C1kos Mar=F3y wrote:
> Hi,
> =

> I wonder how I could debug this issue: I have a system with pm-suspend
> working at last (see this thread: http://lkml.org/lkml/2010/2/23/62 for
> details), but pm-hibernate does not work. after issuing pm-hibernate, I
> see an empty screen with a blinking cursor on the top-left, and then
> nothing happens. the machine doesn't power off or anything.
> =

> forcing a power cycle leads me to a regular boot.
> =

> how could I debug this issue, to find out what fails?

Please try

# echo core > /sys/power/pm_test
# echo disk > /sys/power/state

That should return to the command prompt after ~5 sec.

Rafael