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Re: [Bug 1448347] Re: backlight setting unresponsive after sleep

 

Correct me if I'm wrong, I'm new to this.
i should install
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.1-rc1-vivid/
then re-report if not fixed?

On Mon, Apr 27, 2015 at 4:51 AM, Christopher M. Penalver <
christopher.m.penalver@xxxxxxxxx> wrote:

> Adam, thank you for reporting this and helping make Ubuntu better. Could
> you please test the latest upstream kernel available from the very top
> line at the top of the page (the release names are irrelevant for
> testing, and please do not test the daily folder) following
> https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional
> upstream developers to examine the issue.
>
> If the test did not allow you to test to the issue (ex. you couldn't boot
> into the OS) please make a comment in your report about this, and continue
> to test the next most recent kernel version until you can test to the
> issue. Once you've tested the upstream kernel, please comment on which
> kernel version specifically you tested. If this bug is fixed in the
> mainline kernel, please add the following tags by clicking on the yellow
> circle with a black pencil icon, next to the word Tags, located at the
> bottom of the report description:
> kernel-fixed-upstream
> kernel-fixed-upstream-X.Y-rcZ
>
> Where XY and Z are numbers corresponding to the kernel version.
>
> If the mainline kernel does not fix this bug, please add the following
> tags:
> kernel-bug-exists-upstream
> kernel-bug-exists-upstream-X.Y-rcZ
>
> Once testing of the upstream kernel is complete, please mark this bug's
> Status as Confirmed. Please let us know your results.
>
> Thank you for your understanding.
>
> ** Tags added: latest-bios
>
> ** Changed in: linux (Ubuntu)
>        Status: Confirmed => Incomplete
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1448347
>
> Title:
>   backlight setting unresponsive after sleep
>
> Status in linux package in Ubuntu:
>   Incomplete
>
> Bug description:
>   Late 2014 Macbook Air backlight becomes unresponsive (Full Brightness
>   or none, regardless of reported level) after waking from sleep.
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 15.04
>   Package: linux-image-3.19.0-15-generic 3.19.0-15.15 [modified:
> boot/vmlinuz-3.19.0-15-generic]
>   ProcVersionSignature: Ubuntu 3.19.0-15.15-generic 3.19.3
>   Uname: Linux 3.19.0-15-generic x86_64
>   NonfreeKernelModules: wl
>   ApportVersion: 2.17.2-0ubuntu1
>   Architecture: amd64
>   AudioDevicesInUse:
>    USER        PID ACCESS COMMAND
>    /dev/snd/controlC0:  iohzrd      982 F.... pulseaudio
>    /dev/snd/controlC1:  iohzrd      982 F.... pulseaudio
>   CurrentDesktop: GNOME
>   Date: Fri Apr 24 16:22:25 2015
>   HibernationDevice: RESUME=UUID=cfcba122-37be-4667-b7d8-98f0863608fe
>   InstallationDate: Installed on 2015-04-23 (1 days ago)
>   InstallationMedia: Ubuntu-GNOME 15.04 "Vivid Vervet" - Release amd64
> (20150422)
>   MachineType: Apple Inc. MacBookAir6,2
>   ProcEnviron:
>    PATH=(custom, no user)
>    XDG_RUNTIME_DIR=<set>
>    LANG=en_US.UTF-8
>    SHELL=/bin/bash
>   ProcFB: 0 inteldrmfb
>   ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-15-generic.efi.signed
> root=UUID=c9e1570b-d82a-4f0d-b98a-5ab5f14ae5f7 ro quiet splash vt.handoff=7
>   RelatedPackageVersions:
>    linux-restricted-modules-3.19.0-15-generic N/A
>    linux-backports-modules-3.19.0-15-generic  N/A
>    linux-firmware                             1.143
>   SourcePackage: linux
>   UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
>   UpgradeStatus: No upgrade log present (probably fresh install)
>   dmi.bios.date: 01/07/2015
>   dmi.bios.vendor: Apple Inc.
>   dmi.bios.version: MBA61.88Z.0099.B18.1501071032
>   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.B18.1501071032:bd01/07/2015: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.
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1448347/+subscriptions
>

-- 
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Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1448347

Title:
  backlight setting unresponsive after sleep

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Late 2014 Macbook Air backlight becomes unresponsive (Full Brightness
  or none, regardless of reported level) after waking from sleep.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: linux-image-3.19.0-15-generic 3.19.0-15.15 [modified: boot/vmlinuz-3.19.0-15-generic]
  ProcVersionSignature: Ubuntu 3.19.0-15.15-generic 3.19.3
  Uname: Linux 3.19.0-15-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.17.2-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  iohzrd      982 F.... pulseaudio
   /dev/snd/controlC1:  iohzrd      982 F.... pulseaudio
  CurrentDesktop: GNOME
  Date: Fri Apr 24 16:22:25 2015
  HibernationDevice: RESUME=UUID=cfcba122-37be-4667-b7d8-98f0863608fe
  InstallationDate: Installed on 2015-04-23 (1 days ago)
  InstallationMedia: Ubuntu-GNOME 15.04 "Vivid Vervet" - Release amd64 (20150422)
  MachineType: Apple Inc. MacBookAir6,2
  ProcEnviron:
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-15-generic.efi.signed root=UUID=c9e1570b-d82a-4f0d-b98a-5ab5f14ae5f7 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-15-generic N/A
   linux-backports-modules-3.19.0-15-generic  N/A
   linux-firmware                             1.143
  SourcePackage: linux
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/07/2015
  dmi.bios.vendor: Apple Inc.
  dmi.bios.version: MBA61.88Z.0099.B18.1501071032
  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.B18.1501071032:bd01/07/2015: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.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1448347/+subscriptions


References