From: Len Brown
Date: Thu Apr 22 2004 - 12:13:50 EST

On Thu, 2004-04-22 at 07:46, Anders Karlsson wrote:
> Hi,
> Got a little problem with ACPI on a Thinkpad X31. I am running kernel
> 2.6.5 on it, and am experimenting with suspending it (to state S3).
> It suspends alright, but switches on the backlight. That is not quite so
> useful. Is there anything I can do to switch that backlight of through
> The sleep script switches off the displays in X (works, tried and
> tested) but once ACPI drops into sleep state, the backlight comes back
> on. :-/
> I am game for testing patches etc.

This is handled differently on different systems.
Probably best to file a bug to make sure we don't miss your kind of

How to file a bug against ACPI:
pick a Component, "Other" is okay if not choice is not clear.

Please attach the output from acpidmp, available in /usr/sbin/, or in

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