Re: ACPI with IBM ThinkPad T23
On Tue, 18 Jan 2005 23:00:10 +0100, Martin Steigerwald
<Martin@lichtvollst.de> wrote:
>
> Hello,
>
> has anyone with an IBM ThinkPad T23 a Debian Linux setup with working
> ACPI?
>
> 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
> #282905)
>
> 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
> screen.
>
> Today I tried it with the IBM ACPI stuff at:
>
> http://ibm-acpi.sourceforge.net/
>
> For simplicity I used the Debian package at:
>
> http://debian.isg.ee.ethz.ch/public/
>
> (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 wheter its just a newer version of the debian kernel 2.6.8 package.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)?
>
> Regards,
> --
> Martin 'Helios' Steigerwald - http://www.Lichtvoll.de
>
z> --
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>
I've been very successful with a T23 and ACPI. My recipe for success
is to use the 2.6.9 kernel with no additional acpi patches added and
upgrade the bios to the most recent revision. I also have added the
ibm-acpi package for additional functionality. The ways I can suspend
now using acpi are lid close events and Fn-F4 key combinations. I've
written scripts for acpi controls and suspend scripts to suspend the
laptop with a lid close event and I found an issue on the T23 with the
earlier eepro100 driver and replaced it with the e100 in my kernel. I
also seem to have issues with pcmcia and only the orinoco card so I
make pcmcia stop at a suspend event and then restart it when the
system comes back.
My success rate with the T23 has been very good of late and I've
shared the same approaches with a few others on the ibm thinkpad
mailing list and they have been successful.
If you want my scripts and my kernel config for the 2.6.9 kernel.org
kernel, let me know. As an aside with a kernel before 2.6.8.1 I
always had to patch the kernel with the acpi patchs from acpi.sf.net.
With 2.6.9 I dont any longer.
For me and a few others the primary success thing has been upgrading
the bios to the most recent version on IBM's website.
--
Michael Perry
meperry@gmail.com
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