Taylor Raack, unfortunately, "Me too!" comments are simply unhelpful here on Launchpad. If you would like to be helpful, and so your hardware and problem may be tracked, could you please file a new report with Ubuntu by executing the following in a terminal while booted into the default Ubuntu kernel (not a mainline one) via: ubuntu-bug linux
For more on this, please read the official Ubuntu documentation: Ubuntu Bug Control and Ubuntu Bug Squad: https://wiki.ubuntu.com/Bugs/BestPractices#X.2BAC8-Reporting.Focus_on_One_Issue Ubuntu Kernel Team: https://wiki.ubuntu.com/KernelTeam/KernelTeamBugPolicies#Filing_Kernel_Bug_reports https://wiki.ubuntu.com/Kernel/Policies/DuplicateBugs Ubuntu Community: https://help.ubuntu.com/community/ReportingBugs#Bug_reporting_etiquette When opening up the new report, please feel free to subscribe me to it. As well, please do not announce in this report you created a new bug report. Thank you for your understanding. Helpful bug reporting tips: https://wiki.ubuntu.com/ReportingBugs -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1388636 Title: [Lenovo V570 Notebook] Brightness not changing via UI widget in GNOME shell or hotkeys Status in “linux” package in Ubuntu: Incomplete Bug description: Fresh install of a Vivid Vervet Ubuntu GNOME daily iso. Adding debugging information from https://wiki.ubuntu.com/Kernel/Debugging/Backlight I found that echo 8 > /sys/class/backlight/intel_backlight/brightness worked to lower my screen brightness, without playing with kernel parameters. Booting with the kernel parameter: acpi_backlight=vendor did not enable the UI widget or hotkeys, although echo 8 > /sys/class/backlight/intel_backlight/brightness continued to work. Booting with the kernel parameter: video.use_bios_initial_backlight=0 did not allow for hotkey or widget changes of brightness. Booting with the kernel parameter: video.use_native_backlight=1 also did not resolve the issue. Creating /usr/share/X11/xorg.conf.d/80-backlight.conf with the contents: Section "Device" Identifier "Intel Graphics" Driver "intel" Option "AccelMethod" "sna" Option "Backlight" "intel_backlight" # use your backlight that works here BusID "PCI:0:2:0" EndSection and rebooting does resolve the issue. ProblemType: Bug DistroRelease: Ubuntu 15.04 Package: linux-image-3.16.0-24-generic 3.16.0-24.32 [modified: boot/vmlinuz-3.16.0-24-generic] ProcVersionSignature: Ubuntu 3.16.0-24.32-generic 3.16.4 Uname: Linux 3.16.0-24-generic x86_64 ApportVersion: 2.14.7-0ubuntu9 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: asif 2318 F.... pulseaudio CurrentDesktop: GNOME Date: Sun Nov 2 15:48:05 2014 HibernationDevice: RESUME=UUID=53025272-1910-418a-9f4a-b6ac00a768f1 InstallationDate: Installed on 2014-11-01 (1 days ago) InstallationMedia: Ubuntu-GNOME 15.04 "Vivid Vervet" - Alpha amd64 (20141031) MachineType: LENOVO 1066A9U ProcEnviron: TERM=xterm PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.16.0-24-generic root=/dev/mapper/ubuntu--gnome--vg-root ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.16.0-24-generic N/A linux-backports-modules-3.16.0-24-generic N/A linux-firmware 1.138 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 07/11/2011 dmi.bios.vendor: LENOVO dmi.bios.version: 44CN36WW dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: Emerald Lake dmi.board.vendor: LENOVO dmi.board.version: FAB1 dmi.chassis.asset.tag: Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: 0.1 dmi.modalias: dmi:bvnLENOVO:bvr44CN36WW:bd07/11/2011:svnLENOVO:pn1066A9U:pvrLenovoV570:rvnLENOVO:rnEmeraldLake:rvrFAB1:cvnLENOVO:ct10:cvr0.1: dmi.product.name: 1066A9U dmi.product.version: Lenovo V570 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1388636/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
