On Tue, 2007-07-03 at 00:26 -0300, Henrique de Moraes Holschuh wrote: > On Mon, 25 Jun 2007, Alfredo Matos wrote: > > [2.6.20] > > > > Working, booted into single mode. Brightness changes but does not > > reflect on /proc/acpi/ibm/brighntess. Always shows level 7. > > > > [2.6.22] > > > > Working, same as above, but /proc/acpi/ibm/brightness always shows 0. > > Both of you, please test the single-mode boot, ACPI video NOT loaded, like > this: > > 1. make sure just thinkpad-acpi/ibm-acpi is loaded, and that ACPI video is > NOT loaded. When loading ibm-acpi/thinkpad-acpi, use the experimental=1 > parameter (so that you get the ecdump facility). > > Use the keys to increase and decrease brightness. Look in the output of > /proc/acpi/ibm/ecdump to find out what EC register is changing. > > Is it EC register 0x31? Done. It's 0xa0 from what i can see. I have the dumps from all states in both 2.6.20 and 2.6.22. You can look at http://www.digitalself.org/~alfmatos/ecdumps/ . The files ecdump_s*.txt is from 2.6.20, whereas state*.txt is from 2.6.22 (sorry, not very self explanatory). Both point at 0xa0, IMHO (it's the single changing register)... > > > [ 128.164000] BUG: at fs/proc/generic.c:732 remove_proc_entry() > > [ 128.164000] [<c01ad1a5>] remove_proc_entry+0x1a5/0x1b0 > > [ 128.164000] [<f8b4109a>] acpi_video_bus_remove_fs+0x65/0x73 [video] > > [ 128.164000] [<f8b41469>] acpi_video_bus_remove+0x3a/0x55 [video] > > [ 128.164000] [<c0228ceb>] acpi_bus_unregister_driver+0x3b/0xa1 > > [ 128.164000] [<f8b428d2>] acpi_video_exit+0xa/0x1a [video] > > [ 128.164000] [<c0145dca>] sys_delete_module+0x12a/0x190 > > [ 128.164000] [<c02f07bf>] do_page_fault+0x33f/0x5f0 > > [ 128.164000] [<c01031f0>] sysenter_past_esp+0x69/0xa9 > > Crap. Just move video.ko to video.ko-old or somesuch and reboot, so that you > really get rid of it. That way, you can be really sure it didn't load, as > it is apparently buggy as all heck. Moved it. > > > [ 123.712000] set_level status: 0 > > [ 123.880000] set_level status: 0 > > [ 124.060000] set_level status: 0 > > [ 125.216000] set_level status: 0 > > [ 125.464000] set_level status: 0 > > [ 125.612000] set_level status: 0 > > > > This is also present in the 2.6.20 output. > > I do *not* recall ibm-acpi or thinkpad-acpi ever printing these. Either it > is ACPI video, or you are using a modified version of > ibm-acpi/thinkpad-acpi. You are right. This is from another module... Sorry for that misinformation. Alfredo. ------------------------------------------------------------------------- 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
