** Description changed: Binary package hint: gnome-power-manager - When I use the brightness control keys from a fresh install, the brightness jumps THREE increments. + Expected: + Hitting brightness up key or brightness down key changes brightness by one level out of 15. + + Actual: + Hitting brightness up key or brightness down key changes brightness by two or three levels out of 15. + + + When I use the brightness control keys from a fresh install, the brightness jumps THREE increments. By creating /etc/modprobe.d/video.conf and setting options video brightness_switch_enabled = 0 I reduce this to consistently TWO brightness events, but this is still double the normal events. If I kill gnome-power-manager, it returns to single brightness events. - when hitting brightness up/down with gnome-power-manager, udevmonitor shows + when hitting brightness up/down with gnome-power-manager, udevmonitor shows UDEV - the event which udev sends out after rule processing KERNEL - the kernel uevent KERNEL[1267026969.897008] change /devices/virtual/backlight/acpi_video0 (backlight) UDEV [1267026969.898270] change /devices/virtual/backlight/acpi_video0 (backlight) KERNEL[1267026969.903078] change /devices/virtual/backlight/acpi_video0 (backlight) UDEV [1267026969.903842] change /devices/virtual/backlight/acpi_video0 (backlight) KERNEL[1267026971.355970] change /devices/virtual/backlight/acpi_video0 (backlight) UDEV [1267026971.357418] change /devices/virtual/backlight/acpi_video0 (backlight) + with gnome-power-manager not running, it shows no events. + + Before: + cat /proc/acpi/video/IGD0/LCD/brightness + levels: 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 + current: 25 + + Brightness up pressed: + cat /proc/acpi/video/IGD0/LCD/brightness + levels: 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 + current: 40 + + With options video brightness_switch_enabled = 0: + cat /proc/acpi/video/IGD0/LCD/brightness + levels: 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 + current: 25 + + Brightness up pressed: + cat /proc/acpi/video/IGD0/LCD/brightness + levels: 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 + current: 35 + + With brightness_switch_enabled=0 and gnome-power-manager not running: + cat /proc/acpi/video/IGD0/LCD/brightness + levels: 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 + current: 25 + + Brightness up pressed: + cat /proc/acpi/video/IGD0/LCD/brightness + levels: 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 + current: 30 + + Description: Ubuntu lucid (development branch) Release: 10.04 xserver-xorg-video-intel: - Installed: 2:2.9.1-1ubuntu1 - Candidate: 2:2.9.1-1ubuntu1 - Version table: - *** 2:2.9.1-1ubuntu1 0 - 500 http://archive.linux.duke.edu lucid/main Packages - 100 /var/lib/dpkg/status + Installed: 2:2.9.1-1ubuntu1 + Candidate: 2:2.9.1-1ubuntu1 + Version table: + *** 2:2.9.1-1ubuntu1 0 + 500 http://archive.linux.duke.edu lucid/main Packages + 100 /var/lib/dpkg/status gnome-power-manager: - Installed: 2.29.1-0ubuntu2 - Candidate: 2.29.1-0ubuntu2 - Version table: - *** 2.29.1-0ubuntu2 0 - 500 http://archive.linux.duke.edu lucid/main Packages - 100 /var/lib/dpkg/status + Installed: 2.29.1-0ubuntu2 + Candidate: 2.29.1-0ubuntu2 + Version table: + *** 2.29.1-0ubuntu2 0 + 500 http://archive.linux.duke.edu lucid/main Packages + 100 /var/lib/dpkg/status
-- Brightness controls create triple brightness changes on Dell Mini 1012 https://bugs.launchpad.net/bugs/527157 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
