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Message #64332
[Bug 1326161] Re: Toshiba Satellite Brightness Hotkey Doesn't Work
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.15 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/v3.15-rc8-utopic/
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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https://bugs.launchpad.net/bugs/1326161
Title:
Toshiba Satellite Brightness Hotkey Doesn't Work
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
I followed the steps at
https://wiki.ubuntu.com/Hotkeys/Troubleshooting and found that the
brightness keys are only detected with acpi_listen, which apparently
means "this is a bug in the kernel (ubuntu-bug linux) for not
translating the ACPI event to an input event"
Brightness down and up create the following output with acpi_listen,
respectively:
button/battery BAT 00000080 00000000 K
button/sleep SBTN 00000080 00000000 K
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-24-generic 3.13.0-24.46 [modified: boot/vmlinuz-3.13.0-24-generic]
ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
Uname: Linux 3.13.0-24-generic x86_64
ApportVersion: 2.14.1-0ubuntu3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: drdanielfc 1816 F.... pulseaudio
/dev/snd/controlC1: drdanielfc 1816 F.... pulseaudio
CurrentDesktop: Unity
Date: Tue Jun 3 18:34:43 2014
HibernationDevice: RESUME=UUID=5749c544-7f19-4560-85cf-afb651d8e76f
InstallationDate: Installed on 2014-06-03 (0 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
MachineType: TOSHIBA Satellite P70-A
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic.efi.signed root=UUID=b07e9797-ecf0-4bfd-a13c-1f1c53c509f1 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.13.0-24-generic N/A
linux-backports-modules-3.13.0-24-generic N/A
linux-firmware 1.127
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/18/2014
dmi.bios.vendor: Insyde Corp.
dmi.bios.version: 1.50
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.:bvr1.50:bd04/18/2014:svnTOSHIBA:pnSatelliteP70-A:pvrPSPLPU-0JS050:rvnType2-BoardVendorName1:rnType2-BoardProductName1:rvrType2-BoardVersion:cvnOEMChassisManufacturer:ct10:cvrOEMChassisVersion:
dmi.product.name: Satellite P70-A
dmi.product.version: PSPLPU-0JS050
dmi.sys.vendor: TOSHIBA
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References