With 2.6.22, did you notice any functional difference with acpi_osi=!Linux?
(or since the default changed at 2.6.23, with 2.6.23 or later
do you notice any difference with acpi_osi=Linux?)
Please send me the output from acpidump.
If you don't have acpidump, you can get it from pmtools here:
as requested by kernel boot messages
suse 2.6.22.13-0.3-default #1 SMP 2007/11/19 15:02:58 UTC i686 i686 i386
# dmidecode 2.9
SMBIOS 2.4 present.
24 structures occupying 1067 bytes.
Table at 0x000DC010.
Handle 0x, DMI type 0, 24 bytes
BIOS Information
Vendor: COMPAL
Version: