http://bugzilla.kernel.org/show_bug.cgi?id=12249
--- Comment #94 from Zhang Rui <rui.zh...@intel.com> 2009-04-02 02:14:55 --- this seems to be another BIOS/AML code problem. when set the backlight to 10 (the minimum brightness value), there is a failure when evaluating STBR method. please do this test in the comment #91 kernel, 1. echo 0xffffffff > /sys/module/acpi/parameters/trace_debug_layer 2. echo 0xffffffff > /sys/module/acpi/parameters/trace_debug_level 3. echo STBR > /sys/module/acpi/parameters/trace_method_name 4. echo 1 > /sys/module/acpi/parameters/trace_state 5. echo 0 >/sys/class/backlight/acpi_video0/brightness 5. echo 10 >/sys/class/backlight/acpi_video0/brightness 6. attach the dmesg output -- Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug. ------------------------------------------------------------------------------ _______________________________________________ acpi-bugzilla mailing list acpi-bugzilla@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/acpi-bugzilla