linux-kernel - Re: 2.6.27-gentoo-r4 suspend/hibernate issues with ThinkPad T41

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Message-ID: <20081130124135.0d845462@liberty.rlwhome.lan>
Date:	Sun, 30 Nov 2008 12:41:35 -0600
From:	Robby Workman <rw@...orkman.net>
To:	Toralf Förster <toralf.foerster@....de>,
	linux-kernel@...r.kernel.org
Subject: Re: 2.6.27-gentoo-r4 suspend/hibernate issues with ThinkPad T41

Toralf Förster wrote:

> testing that kernel (based on 2.6.27.7) w/ a  .config from a
> working 2.6.26-gentoo-r3 kernel I run into issues after the system
> should be wake up from hibernation.
> If I startx (from init level 2), suspend the system (FN + F4), wake
> it up and then try to hibernate (FN + F12) I get in my syslog the 
> following entries:
>
> Nov 30 14:27:02 n22 acpid: received event "ibm/hotkey HKEY 00000080
> 0000100" Nov 30 14:27:02 n22 acpid: notifying client 2796[0:0]
> Nov 30 14:27:02 n22 acpid: executing action "/etc/acpi/default.sh
> ibm/hotkey

I don't have any insight on the problem, but I can offer anecdotal
evidence on my T41.  Using the default kernel methods for suspend and
hibernate ( echo -n (mem|disk) > /sys/power/state ), it sleeps and
wakes up as expected.  More recently, I'm using the pm-utils suite for
this, and it too works as expected.

This is on Slackware -current (development version) with 2.6.27.7
kernel. I now employ xfce4-power-manager for suspend functionality, but
prior to that, I was using this: http://rlworkman.net/conf/acpi/ if
you'd like to peruse it.

-RW

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