Nils Sabelstrom, thank you for your comment. 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 a Ubuntu repository 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 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. 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/1173725 Title: [Acer Aspire V5-171] Backlight cannot be adjusted unless passing acpi_backlight=vendor Status in The Linux Kernel: Unknown Status in “linux” package in Ubuntu: Incomplete Bug description: The boot parameter is suggested as a fix for this model by http://www.linlap.com/acer_aspire_v5-171 (so if it would help, I would suggest classing this bug as "confirmed"). ProblemType: Bug DistroRelease: Ubuntu 13.04 Package: linux-image-3.8.0-19-generic 3.8.0-19.29 [modified: boot/vmlinuz-3.8.0-19-generic] ProcVersionSignature: Ubuntu 3.8.0-19.29-generic 3.8.8 Uname: Linux 3.8.0-19-generic x86_64 ApportVersion: 2.9.2-0ubuntu8 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: alan 1919 F.... pulseaudio Date: Sat Apr 27 19:59:23 2013 InstallationDate: Installed on 2013-04-27 (0 days ago) InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424) MachineType: Acer V5-171 MarkForUpload: True ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-19-generic.efi.signed root=UUID=ad03cbd3-39e0-4f7e-b0ab-e1ef3abaa88e ro acpi_backlight=vendor quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.8.0-19-generic N/A linux-backports-modules-3.8.0-19-generic N/A linux-firmware 1.106 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 09/14/2012 dmi.bios.vendor: Acer dmi.bios.version: V2.04 dmi.board.asset.tag: Type2 - Board Asset Tag dmi.board.name: Mimic dmi.board.vendor: Acer dmi.board.version: Type2 - Board Version dmi.chassis.type: 10 dmi.chassis.vendor: Acer dmi.chassis.version: V2.04 dmi.modalias: dmi:bvnAcer:bvrV2.04:bd09/14/2012:svnAcer:pnV5-171:pvrV2.04:rvnAcer:rnMimic:rvrType2-BoardVersion:cvnAcer:ct10:cvrV2.04: dmi.product.name: V5-171 dmi.product.version: V2.04 dmi.sys.vendor: Acer To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1173725/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
