Thinkpad X31 ACPI Problems

Fabian Keil freebsd-listen at
Tue Nov 1 09:26:03 PST 2005

Kaspar Schleiser <kaspar.schleiser at> wrote:

> Fabian Keil wrote:

> >>The tool works on the command line, but rc.suspend and rc.resume
> >>don't get executed when I close the lid, only acpiconf -s 3 executes
> >>them. Is there any way to have them executed on lid-close?

> >Did you set hw.acpi.lid_switch_state?
> >
> Yes that was set, so devd didn't catch the lid events. I had to unset 
> lid_switch_state and add events for the lid to devd.conf...

Just to make sure: hw.acpi.lid_switch_state was set to S3, right?
> But there are more problems:
> 1. X crashed on resume. Only disabling dri fixes that,

This is a known problem.

> 2. When X is running, the backlight doesn't turn off...

If you close the lid, or if you use acpiconf -s 3?

Do you have dpms enabled? If you do, you could add
"xset dpms force off" to /etc/rc.suspend.

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