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** Changed in: gnome-settings-daemon (Ubuntu) Importance: Undecided => Low -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-settings-daemon in Ubuntu. https://bugs.launchpad.net/bugs/1165590 Title: Unable to adjust backlight brightness after upgrade to raring - Asus UX32VD Status in “gnome-settings-daemon” package in Ubuntu: Confirmed Bug description: Hi, After upgrading to raring, gsd-backlight-helper seems to make a wrong decision on which backlight to modify/the correct node is missing. The hotkeys for changing the screen brightness don't work on Asus UX32VD. The brightness is stuck between two values with the hotkeys (about 95% and 90%) gsd-backlight-helper sets /sys/devices/virtual/backlight/apple_backlight/brightness which doesn't change anything : # strace -e write,open /usr/lib/gnome-settings-daemon/gsd-backlight-helper --set-brightness 10 2>&1|tail -n 2 open("/sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0/backlight/acpi_video0/brightness", O_WRONLY) = 3 write(3, "10", 2) = 2 manually setting the brightness like this doesn't work : # echo 5 > /sys/devices/pci0000\:00/0000\:00\:01.0/0000\:01\:00.0/backlight/acpi_video0/brightness setting the brightness using intel_backlight works well : # strace -e write,open /usr/bin/intel_backlight 100 2>&1|tail -n 4 open("/sys/bus/pci/devices/0000:00:02.0/resource0", O_RDWR|O_CLOEXEC) = 4 write(1, "current backlight value: 100%\nse"..., 52current backlight value: 100% set backlight to 100% ) = 52 manually setting the brightness like this works : # echo 50 > /sys/bus/pci/devices/0000\:00\:02.0/backlight/acpi_video1/brightness ProblemType: Bug DistroRelease: Ubuntu 13.04 Package: gnome-settings-daemon 3.6.4-0ubuntu8 ProcVersionSignature: Ubuntu 3.8.0-16.26-generic 3.8.5 Uname: Linux 3.8.0-16-generic x86_64 ApportVersion: 2.9.2-0ubuntu5 Architecture: amd64 Date: Sun Apr 7 07:41:38 2013 InstallationDate: Installed on 2012-09-17 (201 days ago) InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64+mac (20120917) MarkForUpload: True ProcEnviron: TERM=xterm PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: gnome-settings-daemon UpgradeStatus: Upgraded to raring on 2013-04-06 (0 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-settings-daemon/+bug/1165590/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
