kernel-packages team mailing list archive

[Christopher Barrington-Leigh <cpblpublic@xxxxxxxxx>]

Public bug reported:

This has changed (during a recent update?) but under 14.04 my hotkeys
for changing the screen brightness no longer work immeidately. Their
effect is now delayed by about 10 seconds.   there is no hangup to the
user interface during that time.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-40-generic 3.13.0-40.69
ProcVersionSignature: Ubuntu 3.13.0-40.69-generic 3.13.11.10
Uname: Linux 3.13.0-40-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.6
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  cpbl       3437 F.... pulseaudio
CurrentDesktop: Unity
Date: Fri Dec  5 13:18:46 2014
EcryptfsInUse: Yes
InstallationDate: Installed on 2014-11-14 (20 days ago)
InstallationMedia: Ubuntu 12.04.5 LTS "Precise Pangolin" - Release amd64 (20140807.1)
MachineType: LENOVO 34372VU
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-40-generic root=UUID=92076c43-2780-4000-8d3d-5d7bdbb54643 ro acpi=noirq quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-3.13.0-40-generic N/A
 linux-backports-modules-3.13.0-40-generic  N/A
 linux-firmware                             1.127.10
SourcePackage: linux
UpgradeStatus: Upgraded to trusty on 2014-11-15 (19 days ago)
dmi.bios.date: 05/28/2014
dmi.bios.vendor: LENOVO
dmi.bios.version: GCET99WW (2.59 )
dmi.board.asset.tag: Not Available
dmi.board.name: 34372VU
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvrGCET99WW(2.59):bd05/28/2014:svnLENOVO:pn34372VU:pvrThinkPadX230Tablet:rvnLENOVO:rn34372VU:rvrNotDefined:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 34372VU
dmi.product.version: ThinkPad X230 Tablet
dmi.sys.vendor: LENOVO

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Confirmed


** Tags: amd64 apport-bug trusty

-- 
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https://bugs.launchpad.net/bugs/1399751

Title:
  Changes to screen brightness delayed

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  This has changed (during a recent update?) but under 14.04 my hotkeys
  for changing the screen brightness no longer work immeidately. Their
  effect is now delayed by about 10 seconds.   there is no hangup to the
  user interface during that time.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-40-generic 3.13.0-40.69
  ProcVersionSignature: Ubuntu 3.13.0-40.69-generic 3.13.11.10
  Uname: Linux 3.13.0-40-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.6
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  cpbl       3437 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Fri Dec  5 13:18:46 2014
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2014-11-14 (20 days ago)
  InstallationMedia: Ubuntu 12.04.5 LTS "Precise Pangolin" - Release amd64 (20140807.1)
  MachineType: LENOVO 34372VU
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-40-generic root=UUID=92076c43-2780-4000-8d3d-5d7bdbb54643 ro acpi=noirq quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-40-generic N/A
   linux-backports-modules-3.13.0-40-generic  N/A
   linux-firmware                             1.127.10
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2014-11-15 (19 days ago)
  dmi.bios.date: 05/28/2014
  dmi.bios.vendor: LENOVO
  dmi.bios.version: GCET99WW (2.59 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 34372VU
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Defined
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvrGCET99WW(2.59):bd05/28/2014:svnLENOVO:pn34372VU:pvrThinkPadX230Tablet:rvnLENOVO:rn34372VU:rvrNotDefined:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 34372VU
  dmi.product.version: ThinkPad X230 Tablet
  dmi.sys.vendor: LENOVO

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