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ACPI with IBM ThinkPad T23


has anyone with an IBM ThinkPad T23 a Debian Linux setup with working 

Last time I looked at the list somewhere in the Wiki at 
http://acpi.sourceforge.net the IBM ThinkPad T23 is listed as working. 

Well I tried with standard Debian 2.6.8, 2.6.7, 2.6.6 kernels and has no 
full success. Kernel 2.6.9 does work reliable on my notebook. It halts on 
some ACPI message (like some earlier versions of Kernel 2.6.8, see bug 

At least it went to standby mode, but after awakening ALSA sound did not 
work anymore and its not possible to switch from X11 to tty console 
anymore. Well I can switch but the X11 display will still remain on the 

Today I tried it with the IBM ACPI stuff at:


For simplicity I used the Debian package at:


(This is not the most recent version of IBM ACPI)

I compiled the ibm-acpi module and it loads fine.

Now when I tell the laptop to go to standbye mode it goes to sleep but 
when awakening it shows a lot of ACPI messages and then halts completey 
(had no time to write these down and cut and paste obviously didn't work 
at that time anymore).

I am not sure whether ibm-acpi makes that difference in behaviour, or 
wheter its just a newer version of the debian kernel 2.6.8 package.

Anyone with an IBM ThinkPad who got farer than me (had time to compile an 
own kernel or whatever)?

Martin 'Helios' Steigerwald - http://www.Lichtvoll.de

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