On Sun, 24 Jun 2007, Antti P Miettinen wrote: > Henrique de Moraes Holschuh <hmh@xxxxxxxxxx> writes: > > 1. Is the BIOS a 2.x version? If it is, make sure you are running the latest > > version first, please. > > Hmm.. according to Lenovo/IBM web pages the latest BIOS for my X60 > tablet is 1.09. What I have is 1.04. How do these versions relate to > 2.x? No idea :( Does the X60t support Vista? The 2.x versions seems to be an attempt to support Vista... > > 2a. Boot machine in single user mode, do NOT change brightness in any way > > yet. > > I booted to my miniroot and the brightness control works (Fn+Home/End > changes brigthess level) without ibm-acpi/video/hal/hotkey-setup/gnome > but of course without ibm-acpi I cannot observe any indications about > what the SW thinks about the level :-) heh. > > 2b. rmmod video, modprobe ibm-acpi (if not loaded), make sure HAL is not > > running. > > > > 2c. test brightness keys and /proc/acpi/ibm/brightness functionality. > > > > It should work just fine, from reports of some X60 owners. > > For me the control works (i.e. Fn+Home/End changes brigthess level) > but the _indication_ in /proc/acpi/ibm/brightness stays unchanged. I > can also control the brightness via echoing to > /proc/acpi/ibm/brightness and then (as expected) the indication also > changes. Ok. We found the bug. Please send me the output of: acpidump -o /tmp/x60t-BIOS-109.acpidump.bin ; gzip /tmp/x60t-BIOS-109.acpidump.bin and also of dmidecode (clean up the UUID and serial numbers first). > If I rmmod video, the control does not work any more. If I modprobe > video again, the control starts to work again. But the control does > work without video module before it is loaded for the first time! Argh. Looks buggy, and on the firmware side... -- "One disk to rule them all, One disk to find them. One disk to bring them all and in the darkness grind them. In the Land of Redmond where the shadows lie." -- The Silicon Valley Tarot Henrique Holschuh ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ ibm-acpi-devel mailing list ibm-acpi-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/ibm-acpi-devel
