Public bug reported: Binary package hint: xserver-xorg-video-intel
xrandr is missing a backlight property: $ xrandr --prop Screen 0: minimum 320 x 200, current 1366 x 768, maximum 8192 x 8192 VGA1 disconnected (normal left inverted right x axis y axis) LVDS1 connected 1366x768+0+0 (normal left inverted right x axis y axis) 345mm x 194mm EDID_DATA: 00ffffffffffff0030e4020200000000 00130103802313780a28659759548e27 1e505400000001010101010101010101 010101010101561d56c6500020303020 350059c2100000190000000000000000 00000000000000000000000000fe004c 4720446973706c61790a2020000000fc 004c503135365748332d544c41310039 scaling mode: Fullscreen supported: Non-GPU Fullscreen No scale Aspect 1366x768 60.0*+ 1360x768 59.8 1024x768 60.0 800x600 60.3 640x480 59.9 DVI1 disconnected (normal left inverted right x axis y axis) DP1 disconnected (normal left inverted right x axis y axis) DP2 disconnected (normal left inverted right x axis y axis) xbacklight -set 10 No outputs have backlight property The buttons on my keyboard activate the brightness control on screen but the brightness does not change. I am using a fresh karmic install. I read something about KMS. Karmic is using KMS by default I read. It seems to be related to these posts: http://bugs.freedesktop.org/show_bug.cgi?id=20963 ProblemType: Bug Architecture: amd64 Date: Fri Sep 11 20:42:15 2009 DistroRelease: Ubuntu 9.10 MachineType: Acer Aspire 5810T Package: xserver-xorg-video-intel 2:2.8.1-1ubuntu1 PccardctlIdent: PccardctlStatus: ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.31-10-generic root=UUID=d9aeca27-f2de-4b4b-ac98-9ff714300820 ro quiet splash libata.force=noncq usbcore.autosuspend=1 ProcEnviron: LANGUAGE=en_US.UTF-8 LANG=en_US.UTF-8 SHELL=/bin/bash ProcVersionSignature: Ubuntu 2.6.31-10.32-generic RelatedPackageVersions: xserver-xorg 1:7.4+3ubuntu5 libgl1-mesa-glx 7.6.0~git20090817.7c422387-0ubuntu3 libdrm2 2.4.13-1ubuntu1 xserver-xorg-video-intel 2:2.8.1-1ubuntu1 xserver-xorg-video-ati 1:6.12.99+git20090825.fc74e119-0ubuntu1 SourcePackage: xserver-xorg-video-intel Uname: Linux 2.6.31-10-generic x86_64 XorgConf: Error: [Errno 2] No such file or directory: '/etc/X11/xorg.conf' dmi.bios.date: 06/24/2009 dmi.bios.vendor: INSYDE dmi.bios.version: V1.23 dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: Aspire 5810T dmi.board.vendor: Acer dmi.board.version: Base Board Version dmi.chassis.type: 1 dmi.chassis.vendor: Chassis Manufacturer dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnINSYDE:bvrV1.23:bd06/24/2009:svnAcer:pnAspire5810T:pvrV1.23:rvnAcer:rnAspire5810T:rvrBaseBoardVersion:cvnChassisManufacturer:ct1:cvrChassisVersion: dmi.product.name: Aspire 5810T dmi.product.version: V1.23 dmi.sys.vendor: Acer fglrx: Not loaded system: distro: Ubuntu architecture: x86_64kernel: 2.6.31-10-generic ** Affects: xserver-xorg-video-intel (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug -- xrandr backlight property control missing (when using KMS?) https://bugs.launchpad.net/bugs/428054 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