Description of problem: The brightness keys (Fn-F5 and Fn-F6) on my ASUS EEE PC 1201N-PU17 seem to be recognized, and under gnome they cause the display brightness popup to be displayed, but pressing them does not cause the screen brightness to change. Version-Release number of selected component (if applicable): kernel-2.6.34.3-37.fc13.i686 booted with args: acpi_osi=Linux elevator=deadline How reproducible: Steps to Reproduce: 1. Press Fn-F5 2. 3. Actual results: Display brightness popup appears, but thermometer in it does not move. Screen does not dim. Expected results: Display should dim. Additional info: # lsmod | grep eee eeepc_wmi 2719 0 eeepc_laptop 12367 0 sparse_keymap 2485 2 eeepc_wmi,eeepc_laptop wmi 5624 1 eeepc_wmi rfkill 13433 3 eeepc_laptop,cfg80211,bluetooth The dim button is being detected: # lshal -m Start monitoring devicelist: ------------------------------------------------- 22:36:33.530: computer_logicaldev_input_0 condition ButtonPressed = brightness-down Neither of the following dims the screen: # echo 0 > /sys/class/backlight/acpi_video0/brightness # echo 0 > /sys/class/backlight/nv_backlight/brightness My apologies if this is filed under the wrong module. I'm not sure what else to try or provide, but I am open to suggestions.
# lspci | grep VGA 05:00.0 VGA compatible controller: nVidia Corporation ION VGA [GeForce 9400M] (rev b1)
Workaround: install non-free kmod-nvidia-260.19.21-1.fc13.1.i686 The display brightness thermometer no longer pops up, but at least the brightness is controllable. I occasionally have to factory-reset the bios settings in order for boot to work.
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