Max Oropeza, as per http://support.gateway.com/us/en/product/default.aspx?tab=1&modelId=3265 an update is available for your BIOS (1.30). If you update to this, does it change anything?
If not, could you please both specify what happened, and provide the output of the following terminal command: sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date Thank you for your understanding. ** Summary changed: - Two backlight interfaces that wont adjust backlight. + [Gateway NV55C] Two backlight interfaces that wont adjust backlight. ** Tags removed: kernel-bug-exists-upstream ** Tags added: kernel-bug-exists-upstream-v3.9 needs-upstream-testing regression-potential ** Description changed: - I couldn't get the backlight to work after I upgraded to 13.04. I tried - changing the grub parameters, and after several trys, nothing. I was - asked to run grep . /sys/class/backlight/*/* and got the results of: + I couldn't get the backlight to work after I upgraded to 13.04. + + WORKAROUND: The only grub lines that seem to work are these: + GRUB_CMDLINE_LINUX="acpi_osi=Linux acpi_backlight=vendor" + GRUB_CMDLINE_LINUX="acpi_osi=" + + I tried changing the grub parameters, and after several trys, nothing. I + was asked to run grep . /sys/class/backlight/*/* and got the results + of: maxo@Dayman:~$ grep . /sys/class/backlight/*/* /sys/class/backlight/acpi_video0/actual_brightness:9 /sys/class/backlight/acpi_video0/bl_power:0 /sys/class/backlight/acpi_video0/brightness:9 grep: /sys/class/backlight/acpi_video0/device: Is a directory /sys/class/backlight/acpi_video0/max_brightness:9 grep: /sys/class/backlight/acpi_video0/power: Is a directory grep: /sys/class/backlight/acpi_video0/subsystem: Is a directory /sys/class/backlight/acpi_video0/type:firmware /sys/class/backlight/intel_backlight/actual_brightness:976 /sys/class/backlight/intel_backlight/bl_power:0 /sys/class/backlight/intel_backlight/brightness:976 grep: /sys/class/backlight/intel_backlight/device: Is a directory /sys/class/backlight/intel_backlight/max_brightness:976 grep: /sys/class/backlight/intel_backlight/power: Is a directory grep: /sys/class/backlight/intel_backlight/subsystem: Is a directory /sys/class/backlight/intel_backlight/type:raw - The only grub lines that seem to work are these: - GRUB_CMDLINE_LINUX="acpi_osi=Linux acpi_backlight=vendor" - GRUB_CMDLINE_LINUX="acpi_osi=" - But using the Fn Keys, you can only adjust it a little, like from full brightness to about half. To add something else, with the other parameters when I adjust with the Fn Keys, the brightness bubble you get on the top right of your screen doesn't appear. 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 NonfreeKernelModules: wl ApportVersion: 2.9.2-0ubuntu8 Architecture: amd64 AudioDevicesInUse: - USER PID ACCESS COMMAND - /dev/snd/controlC0: maxo 2482 F.... pulseaudio + USER PID ACCESS COMMAND + /dev/snd/controlC0: maxo 2482 F.... pulseaudio Date: Sun Apr 28 07:01:21 2013 HibernationDevice: RESUME=UUID=f71ed279-badf-446b-afc6-d5a75316ec0a InstallationDate: Installed on 2013-04-25 (2 days ago) InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424) MachineType: Gateway NV55C MarkForUpload: True ProcEnviron: - TERM=xterm - PATH=(custom, no user) - XDG_RUNTIME_DIR=<set> - LANG=en_US.UTF-8 - SHELL=/bin/bash + TERM=xterm + PATH=(custom, no user) + XDG_RUNTIME_DIR=<set> + LANG=en_US.UTF-8 + SHELL=/bin/bash ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-19-generic root=UUID=bc22ba4b-fcd9-46f3-b10a-11477dd4f618 ro acpi_osi= 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 + 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: 08/10/2011 dmi.bios.vendor: Gateway dmi.bios.version: V1.24 dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: NV55C dmi.board.vendor: Gateway dmi.board.version: V1.24 dmi.chassis.type: 10 dmi.chassis.vendor: Gateway dmi.chassis.version: V1.24 dmi.modalias: dmi:bvnGateway:bvrV1.24:bd08/10/2011:svnGateway:pnNV55C:pvrV1.24:rvnGateway:rnNV55C:rvrV1.24:cvnGateway:ct10:cvrV1.24: dmi.product.name: NV55C dmi.product.version: V1.24 dmi.sys.vendor: Gateway ** Tags added: bios-outdated-v1.30 ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1173961 Title: [Gateway NV55C] Two backlight interfaces that wont adjust backlight. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1173961/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs