This change was made by a bot.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1315069
Title:
Brightness Keyboard Shortcuts no longer working after short time
Status in “linux” package in Ubuntu:
Confirmed
Bug description:
I am currently using Ubuntu 14.04 (upgraded from 13.10, and from that
13.04) a Gateway NV77H Series laptop with an i5 core and intel's
backlight controller. After the initial installation, the first bug
workaround I had to do was set grub to have acpi_backlight=vendor, and
that made brightness work in the first place. That should eventually
be fixed, but the bigger problem I am having currently, is after the
last upgrade to 14.04, the brightness keyboard shortcuts no longer
work after a short period of time after boot. After reboot and log on,
it all works fine, but after I focus to a window, it never seems to
recover. The included log from 'ubuntu-bug linux' might give a few
extra bug reports as well, but this is probably more important since
it has to deal with a common function of a laptop.
I am also sorry about not knowing what the package is, but the nature
of this bug, probably won't throw an exception anywhere, so locating
it may be difficult for my level of understanding.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-24-generic 3.13.0-24.46
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: tommydrum 2760 F.... pulseaudio
CurrentDesktop: Unity
Date: Thu May 1 09:47:07 2014
HibernationDevice: RESUME=UUID=7e7c38c2-7c45-4050-ab32-08f9031879ad
InstallationDate: Installed on 2013-10-25 (187 days ago)
InstallationMedia: Ubuntu-GNOME 13.10 "Saucy Salamander" - Release amd64
(20131017)
MachineType: Gateway NV77H
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic
root=UUID=af4ccd2c-4d9b-4687-ab2d-4f3795910aae ro acpi=noirq quiet splash
acpi_backlight=vendor intel_pstate=enable
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: Upgraded to trusty on 2014-03-29 (33 days ago)
dmi.bios.date: 08/09/2012
dmi.bios.vendor: Gateway
dmi.bios.version: V1.21
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: SJV70_HR
dmi.board.vendor: Gateway
dmi.board.version: Base Board Version
dmi.chassis.type: 10
dmi.chassis.vendor: Gateway
dmi.chassis.version: V1.21
dmi.modalias:
dmi:bvnGateway:bvrV1.21:bd08/09/2012:svnGateway:pnNV77H:pvrV1.21:rvnGateway:rnSJV70_HR:rvrBaseBoardVersion:cvnGateway:ct10:cvrV1.21:
dmi.product.name: NV77H
dmi.product.version: V1.21
dmi.sys.vendor: Gateway
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