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[Bug 1329510] Re: [Asus X200M] Changing Backlight not working

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: "Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>
Date: Sun, 15 Jun 2014 14:57:45 -0000
Reply-to: Bug 1329510 <1329510@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Guillaume Royer, while removing your WORKAROUND could you please test the latest upstream kernel available from the first line at the top page (not the daily folder) following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional upstream developers to examine 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:
kernel-fixed-upstream
kernel-fixed-upstream-VERSION-NUMBER

where VERSION-NUMBER is the version number of the kernel you tested. For example:
kernel-fixed-upstream-3.15

This can be done by clicking on the yellow circle with a black pencil icon next to the word Tags located at the bottom of the bug description. As well, please remove the tag:
needs-upstream-testing

If the mainline kernel does not fix this bug, please add the following tags:
kernel-bug-exists-upstream
kernel-bug-exists-upstream-VERSION-NUMBER

As well, please remove the tag:
needs-upstream-testing

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** Tags removed: bios-outdated-500
** Tags added: latest-bios-500

** Description changed:

  Backlight setting is not working with Lubuntu 14.04.
  
  This bug is reported following
  https://wiki.ubuntu.com/Kernel/Debugging/Backlight#Debugging_information_to_provide_in_your_bug_report
  guidelines.
+ 
+ WORKAROUND: Backlight can be set with xbacklight after creating
+ /usr/share/X11/xorg.conf.d/20-intel.conf :
+ 
+ Section "Device"
+     Identifier "card0"
+     Driver "intel"
+     Option "Backlight" "intel_backlight"
+     BusID "PCI:0:2:0"
+ EndSection
+ 
+ but special keys are not working, and there are no events in acpi_listen
+ when pressing these keys.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-29-generic 3.13.0-29.53
  ProcVersionSignature: Ubuntu 3.13.0-29.53-generic 3.13.11.2
  Uname: Linux 3.13.0-29-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
-  USER        PID ACCESS COMMAND
-  /dev/snd/controlC0:  guillaume   1447 F.... lxpanel
+  USER        PID ACCESS COMMAND
+  /dev/snd/controlC0:  guillaume   1447 F.... lxpanel
  CRDA: Error: [Errno 2] Aucun fichier ou dossier de ce type: 'iw'
  CurrentDesktop: LXDE
  Date: Thu Jun 12 21:52:16 2014
  HibernationDevice: RESUME=UUID=5b0a59aa-0acf-415f-93bd-62df1b558efb
  InstallationDate: Installed on 2014-06-12 (0 days ago)
  InstallationMedia: Lubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.2)
  Lsusb:
-  Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
-  Bus 001 Device 003: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB
-  Bus 001 Device 002: ID 0bda:5603 Realtek Semiconductor Corp. 
-  Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
+  Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
+  Bus 001 Device 003: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB
+  Bus 001 Device 002: ID 0bda:5603 Realtek Semiconductor Corp.
+  Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: ASUSTeK COMPUTER INC. X200MA
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-29-generic.efi.signed root=UUID=37551324-2550-4e13-aea9-4603fbd63807 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
-  linux-restricted-modules-3.13.0-29-generic N/A
-  linux-backports-modules-3.13.0-29-generic  N/A
-  linux-firmware                             1.127
+  linux-restricted-modules-3.13.0-29-generic N/A
+  linux-backports-modules-3.13.0-29-generic  N/A
+  linux-firmware                             1.127
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/21/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: X200MA.302
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: X200MA
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK COMPUTER INC.
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrX200MA.302:bd01/21/2014:svnASUSTeKCOMPUTERINC.:pnX200MA:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX200MA:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
  dmi.product.name: X200MA
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK COMPUTER INC.

-- 
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https://bugs.launchpad.net/bugs/1329510

Title:
  [Asus X200M] Changing Backlight not working

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Backlight setting is not working with Lubuntu 14.04.

  This bug is reported following
  https://wiki.ubuntu.com/Kernel/Debugging/Backlight#Debugging_information_to_provide_in_your_bug_report
  guidelines.

  WORKAROUND: Backlight can be set with xbacklight after creating
  /usr/share/X11/xorg.conf.d/20-intel.conf :

  Section "Device"
      Identifier "card0"
      Driver "intel"
      Option "Backlight" "intel_backlight"
      BusID "PCI:0:2:0"
  EndSection

  but special keys are not working, and there are no events in
  acpi_listen when pressing these keys.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-29-generic 3.13.0-29.53
  ProcVersionSignature: Ubuntu 3.13.0-29.53-generic 3.13.11.2
  Uname: Linux 3.13.0-29-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  guillaume   1447 F.... lxpanel
  CRDA: Error: [Errno 2] Aucun fichier ou dossier de ce type: 'iw'
  CurrentDesktop: LXDE
  Date: Thu Jun 12 21:52:16 2014
  HibernationDevice: RESUME=UUID=5b0a59aa-0acf-415f-93bd-62df1b558efb
  InstallationDate: Installed on 2014-06-12 (0 days ago)
  InstallationMedia: Lubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.2)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 003: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB
   Bus 001 Device 002: ID 0bda:5603 Realtek Semiconductor Corp.
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: ASUSTeK COMPUTER INC. X200MA
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-29-generic.efi.signed root=UUID=37551324-2550-4e13-aea9-4603fbd63807 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-29-generic N/A
   linux-backports-modules-3.13.0-29-generic  N/A
   linux-firmware                             1.127
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/21/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: X200MA.302
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: X200MA
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK COMPUTER INC.
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrX200MA.302:bd01/21/2014:svnASUSTeKCOMPUTERINC.:pnX200MA:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX200MA:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
  dmi.product.name: X200MA
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK COMPUTER INC.

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References

[Bug 1329510] [NEW] Backlight setting on Asus X200M
From: Guillaume Royer, 2014-06-12