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[bostjan <bostjan@xxxxxx>]

Public bug reported:

Buttons for brightness do not work after resume if kernels fresher than
3.13.0-63 are used (I tested with -65 ... -68, don't know about -64).

If I reboot it with kernel -63, everything is back to normal.

Any hints about this one?

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-68-generic 3.13.0-68.111
ProcVersionSignature: Ubuntu 3.13.0-68.111-generic 3.13.11-ckt27
Uname: Linux 3.13.0-68-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC1:  bostjan    2559 F.... pulseaudio
 /dev/snd/controlC0:  bostjan    2559 F.... pulseaudio
CurrentDesktop: Unity
Date: Sun Nov 22 22:16:04 2015
EcryptfsInUse: Yes
InstallationDate: Installed on 2014-05-18 (553 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
MachineType: Apple Inc. MacBookAir6,2
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-68-generic.efi.signed root=UUID=13301a20-3c5b-4176-b193-c4a27d8b0910 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-3.13.0-68-generic N/A
 linux-backports-modules-3.13.0-68-generic  N/A
 linux-firmware                             1.127.18
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/07/2014
dmi.bios.vendor: Apple Inc.
dmi.bios.version: MBA61.88Z.0099.B09.1402071141
dmi.board.asset.tag: Base Board Asset Tag#
dmi.board.name: Mac-7DF21CB3ED6977E5
dmi.board.vendor: Apple Inc.
dmi.board.version: MacBookAir6,2
dmi.chassis.type: 10
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-7DF21CB3ED6977E5
dmi.modalias: dmi:bvnAppleInc.:bvrMBA61.88Z.0099.B09.1402071141:bd02/07/2014:svnAppleInc.:pnMacBookAir6,2:pvr1.0:rvnAppleInc.:rnMac-7DF21CB3ED6977E5:rvrMacBookAir6,2:cvnAppleInc.:ct10:cvrMac-7DF21CB3ED6977E5:
dmi.product.name: MacBookAir6,2
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.

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


** Tags: amd64 apport-bug trusty

-- 
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https://bugs.launchpad.net/bugs/1518767

Title:
  Macbook Air 6.2 brightness buttons stopped working after 3.13.0-63

Status in linux package in Ubuntu:
  New

Bug description:
  Buttons for brightness do not work after resume if kernels fresher
  than 3.13.0-63 are used (I tested with -65 ... -68, don't know about
  -64).

  If I reboot it with kernel -63, everything is back to normal.

  Any hints about this one?

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-68-generic 3.13.0-68.111
  ProcVersionSignature: Ubuntu 3.13.0-68.111-generic 3.13.11-ckt27
  Uname: Linux 3.13.0-68-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  bostjan    2559 F.... pulseaudio
   /dev/snd/controlC0:  bostjan    2559 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Sun Nov 22 22:16:04 2015
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2014-05-18 (553 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: Apple Inc. MacBookAir6,2
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-68-generic.efi.signed root=UUID=13301a20-3c5b-4176-b193-c4a27d8b0910 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-68-generic N/A
   linux-backports-modules-3.13.0-68-generic  N/A
   linux-firmware                             1.127.18
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/07/2014
  dmi.bios.vendor: Apple Inc.
  dmi.bios.version: MBA61.88Z.0099.B09.1402071141
  dmi.board.asset.tag: Base Board Asset Tag#
  dmi.board.name: Mac-7DF21CB3ED6977E5
  dmi.board.vendor: Apple Inc.
  dmi.board.version: MacBookAir6,2
  dmi.chassis.type: 10
  dmi.chassis.vendor: Apple Inc.
  dmi.chassis.version: Mac-7DF21CB3ED6977E5
  dmi.modalias: dmi:bvnAppleInc.:bvrMBA61.88Z.0099.B09.1402071141:bd02/07/2014:svnAppleInc.:pnMacBookAir6,2:pvr1.0:rvnAppleInc.:rnMac-7DF21CB3ED6977E5:rvrMacBookAir6,2:cvnAppleInc.:ct10:cvrMac-7DF21CB3ED6977E5:
  dmi.product.name: MacBookAir6,2
  dmi.product.version: 1.0
  dmi.sys.vendor: Apple Inc.

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