[ltp] ACPI on a T30

Herbert Szumovski linux-thinkpad@linux-thinkpad.org
Tue, 09 Sep 2003 12:13:10 +0200


Thanks for the info. You convinced me to change back to APM, because
that just worked. 
/Herbert


At 23:41 08.09.2003, Ramon Casellas wrote:
>On Mon, 8 Sep 2003, Oliver Pajonk wrote:
>
>> On Monday 08 September 2003 21:49, Herbert Szumovski wrote:
>> > Hi,
>> > is there somebody who got ACPI working on a Thinkpad ?
>> > I use a 2.4.20 kernel (self compiled GenToo 1.4), which
>> > works fantastic, with the exception of ACPI, though it's
>> > compiled in.  I'm thinking of stepping back to APM, but
>> > wanted to know if there is a positive experience out there.
>>
>
>
>Otoh, (according to my experience of dealing with power management and
>APM/ACPI from 2.4.21preX to 2.6.0-test4-mm5, on a X.31) I would say:
>
>* If you are not interested (not yet) in a 2.6.0 kernel, stick with APM
>and a 2.4.2X kernel. ACPI is not fully functional, and I can't
>hibernate/suspend with ACPI (with APM I can sleep/hibernate using the BIOS
>and Fn+F12). With APM you can also use the thinkpad package and apmiser
>See my previous email about ACPI.
>
>swsusp (swsusp.sf.net) worked for me in a 2.4.2X.
>
>
>
>* If you are using a 2.6.0 kernel, bear in mind that:
>Power management needs a lot of work (see thread)
>http://www.ussg.iu.edu/hypermail/linux/kernel/0309.0/0017.html
>
>ACPI can work with several "thinkpad" patches but I can't sleep/hib/swsusp
>(oopses, which may be caused by kernel bugs and/or device drivers) I use
>Atheros WiFi drivers (a/b dual card) and error messages flood the
>console (hardware error, retry..). APM seems to work, but the FnF12 key
>does no longer work for me and the thinkpad package does not compile (in
>my case is due to the fact that the kernel module has not been ported to
>use the latest devfs api). However, APM is not as robust as in 2.4.2X and
>sometimes it hangs.
>
>
>
>HTH
>
>Regards,
>
>Ramon
>
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