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Message #50622
[Bug 1295141] Re: Toshiba Qosmio X75-A7298 - Can't Adjust Brightness
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.14 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.
If you are unable to test the mainline kernel, for example it will not boot, please add the tag: 'kernel-unable-to-test-upstream'.
Once testing of the upstream kernel is complete, please mark this bug as "Confirmed".
Thanks in advance.
[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.14-rc7-trusty/
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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https://bugs.launchpad.net/bugs/1295141
Title:
Toshiba Qosmio X75-A7298 - Can't Adjust Brightness
Status in The Linux Kernel:
Unknown
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
The Toshiba Qosmio X75-A7298 is running Ubuntu 14.04 blazingly fast.
The only issue I've noticed, is that the OS doesn't seem to have a
proper mapping to this laptop's function keys.
Specifically, I'm unable to adjust the screen's brightness. Looking a
the keyboard layout, I should be able to dim the screen by holding
down the FN key and then press F2. Alternatively, to make the screen
brighter you'd key FN-F3.
This is a fantasic laptop, I'd like to help (if I can) to get it fully
functional for Ubuntu 14.04.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-18-generic 3.13.0-18.38 [modified: boot/vmlinuz-3.13.0-18-generic]
ProcVersionSignature: Ubuntu 3.13.0-18.38-generic 3.13.6
Uname: Linux 3.13.0-18-generic x86_64
ApportVersion: 2.13.3-0ubuntu1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: steve 2503 F.... pulseaudio
/dev/snd/controlC0: steve 2503 F.... pulseaudio
CRDA:
country TW:
(2402 - 2472 @ 40), (3, 27)
(5270 - 5330 @ 40), (3, 17), DFS
(5735 - 5815 @ 40), (3, 30)
CurrentDesktop: Unity
Date: Thu Mar 20 08:43:44 2014
HibernationDevice: RESUME=UUID=c040a1e4-2261-47d3-85df-a01363cf3fca
InstallationDate: Installed on 2014-03-19 (0 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140319)
MachineType: TOSHIBA Qosmio X75-A
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-18-generic root=UUID=82c4632b-cc2b-48f4-b42f-61690dbc80b7 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.13.0-18-generic N/A
linux-backports-modules-3.13.0-18-generic N/A
linux-firmware 1.126
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/18/2013
dmi.bios.vendor: Insyde Corp.
dmi.bios.version: 1.30
dmi.board.asset.tag: Type2 - Board Asset Tag
dmi.board.name: Type2 - Board Product Name1
dmi.board.vendor: Type2 - Board Vendor Name1
dmi.board.version: Type2 - Board Version
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: OEM Chassis Manufacturer
dmi.chassis.version: OEM Chassis Version
dmi.modalias: dmi:bvnInsydeCorp.:bvr1.30:bd09/18/2013:svnTOSHIBA:pnQosmioX75-A:pvrPSPLTU-017016:rvnType2-BoardVendorName1:rnType2-BoardProductName1:rvrType2-BoardVersion:cvnOEMChassisManufacturer:ct10:cvrOEMChassisVersion:
dmi.product.name: Qosmio X75-A
dmi.product.version: PSPLTU-017016
dmi.sys.vendor: TOSHIBA
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References