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[Bug 1375242] Re: Low Brightness when started after battery discharge in suspend state

To: desktop-packages@xxxxxxxxxxxxxxxxxxx
From: Abhinav Dwivedi <mail.adwivedi@xxxxxxxxx>
Date: Mon, 29 Sep 2014 12:43:36 -0000
Reply-to: Bug 1375242 <1375242@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
** Description changed:

  I upgraded from 12.04 to 14.04 after which i have noticed this issue and able to reproduce it.
- After the system discharges during suspend state and i reboot it after connecting power. The screen brightness is very low. 
+ After the system discharges during suspend state and i reboot it after connecting power. The screen brightness is very low.
  Sometimes the decrease brightness key works which infact increases the brightness. Cannot increase brightness from Brightness and Lock.
+ Another restart fixes the brightness.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: xorg 1:7.7+1ubuntu8
  ProcVersionSignature: Ubuntu 3.13.0-36.63-generic 3.13.11.6
  Uname: Linux 3.13.0-36-generic x86_64
  .tmp.unity.support.test.0:
-  
+ 
  ApportVersion: 2.14.1-0ubuntu3.4
  Architecture: amd64
  CompizPlugins: [core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell]
  CompositorRunning: compiz
  CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
  CompositorUnredirectFSW: true
  Date: Mon Sep 29 17:43:40 2014
  DistUpgraded: 2014-09-06 16:19:53,120 DEBUG enabling apt cron job
  DistroCodename: trusty
  DistroVariant: ubuntu
  DkmsStatus:
-  virtualbox, 4.3.10, 3.13.0-35-generic, x86_64: installed
-  virtualbox, 4.3.10, 3.13.0-36-generic, x86_64: installed
+  virtualbox, 4.3.10, 3.13.0-35-generic, x86_64: installed
+  virtualbox, 4.3.10, 3.13.0-36-generic, x86_64: installed
  ExtraDebuggingInterest: Yes
  GraphicsCard:
-  Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 02) (prog-if 00 [VGA controller])
-    Subsystem: Lenovo Device [17aa:215a]
+  Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 02) (prog-if 00 [VGA controller])
+    Subsystem: Lenovo Device [17aa:215a]
  InstallationDate: Installed on 2012-05-27 (854 days ago)
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
  MachineType: LENOVO 0578PMQ
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-36-generic root=UUID=637e803b-1b0a-43dc-9a7d-933c8ec78f14 ro quiet splash vt.handoff=7
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: Upgraded to trusty on 2014-09-06 (23 days ago)
  dmi.bios.date: 10/14/2010
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 80ET42WW (1.19 )
  dmi.board.name: 0578PMQ
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvr80ET42WW(1.19):bd10/14/2010:svnLENOVO:pn0578PMQ:pvrThinkPadEdge:rvnLENOVO:rn0578PMQ:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 0578PMQ
  dmi.product.version: ThinkPad Edge
  dmi.sys.vendor: LENOVO
  version.compiz: compiz 1:0.9.11.2+14.04.20140714-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.52-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.3-0ubuntu0.1
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.3-0ubuntu0.1
  version.xserver-xorg-core: xserver-xorg-core 2:1.15.1-0ubuntu2.1
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3.1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1.1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2
  xserver.bootTime: Mon Sep 29 17:41:25 2014
  xserver.configfile: default
  xserver.errors:
-  
+ 
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
-  product id                               16544 
-  vendor                                     LEN
+  product id                               16544
+  vendor                                     LEN
  xserver.version: 2:1.15.1-0ubuntu2.1

-- 
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https://bugs.launchpad.net/bugs/1375242

Title:
  Low Brightness when started after battery discharge in suspend state

Status in “xorg” package in Ubuntu:
  New

Bug description:
  I upgraded from 12.04 to 14.04 after which i have noticed this issue and able to reproduce it.
  After the system discharges during suspend state and i reboot it after connecting power. The screen brightness is very low.
  Sometimes the decrease brightness key works which infact increases the brightness. Cannot increase brightness from Brightness and Lock.
  Another restart fixes the brightness.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: xorg 1:7.7+1ubuntu8
  ProcVersionSignature: Ubuntu 3.13.0-36.63-generic 3.13.11.6
  Uname: Linux 3.13.0-36-generic x86_64
  .tmp.unity.support.test.0:

  ApportVersion: 2.14.1-0ubuntu3.4
  Architecture: amd64
  CompizPlugins: [core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell]
  CompositorRunning: compiz
  CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
  CompositorUnredirectFSW: true
  Date: Mon Sep 29 17:43:40 2014
  DistUpgraded: 2014-09-06 16:19:53,120 DEBUG enabling apt cron job
  DistroCodename: trusty
  DistroVariant: ubuntu
  DkmsStatus:
   virtualbox, 4.3.10, 3.13.0-35-generic, x86_64: installed
   virtualbox, 4.3.10, 3.13.0-36-generic, x86_64: installed
  ExtraDebuggingInterest: Yes
  GraphicsCard:
   Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 02) (prog-if 00 [VGA controller])
     Subsystem: Lenovo Device [17aa:215a]
  InstallationDate: Installed on 2012-05-27 (854 days ago)
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
  MachineType: LENOVO 0578PMQ
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-36-generic root=UUID=637e803b-1b0a-43dc-9a7d-933c8ec78f14 ro quiet splash vt.handoff=7
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: Upgraded to trusty on 2014-09-06 (23 days ago)
  dmi.bios.date: 10/14/2010
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 80ET42WW (1.19 )
  dmi.board.name: 0578PMQ
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvr80ET42WW(1.19):bd10/14/2010:svnLENOVO:pn0578PMQ:pvrThinkPadEdge:rvnLENOVO:rn0578PMQ:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 0578PMQ
  dmi.product.version: ThinkPad Edge
  dmi.sys.vendor: LENOVO
  version.compiz: compiz 1:0.9.11.2+14.04.20140714-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.52-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.3-0ubuntu0.1
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.3-0ubuntu0.1
  version.xserver-xorg-core: xserver-xorg-core 2:1.15.1-0ubuntu2.1
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3.1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1.1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2
  xserver.bootTime: Mon Sep 29 17:41:25 2014
  xserver.configfile: default
  xserver.errors:

  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   product id                               16544
   vendor                                     LEN
  xserver.version: 2:1.15.1-0ubuntu2.1

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References

[Bug 1375242] [NEW] Low Brightness when started after battery discharge in suspend state
From: Abhinav Dwivedi, 2014-09-29