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[Dmitrijs Ledkovs <619726@xxxxxxxxxxxxxxxxxx>]

apport information

** Tags added: apport-collected natty ubuntu

** Description changed:

  Binary package hint: xorg
  
  I have early 2006 Macbook (1.1) changing the LCD brightness using the
  keyboard keys previously resulted in smooth brightness changes (from 0%
  <-> 100%). I've upgraded to maverick yesterday and the "minus"
  brightness key when going from 100% results in flickering cycles (100%
  -> 0% -> 50% -> 0% -> 100% -> 0%).
  
  This is a regression from Lucid and Karmic, while Jaunty and before had
  the same flickering.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 10.10
  Package: xserver-xorg 1:7.5+6ubuntu3
  ProcVersionSignature: Ubuntu 2.6.35-15.21-generic 2.6.35.1
  Uname: Linux 2.6.35-15-generic i686
  Architecture: i386
  DRM.card0.DVI.D.1:
   status: disconnected
   enabled: disabled
   dpms: On
   modes: 
   edid-base64:
  DRM.card0.LVDS.1:
   status: connected
   enabled: enabled
   dpms: On
   modes: 1280x800
   edid-base64: AP///////wAGEF+cAAAAAAgQAQOAHRJ4Ci8wl1hTiyklUFQAAAABAQEBAQEBAQEBAQEBAQEBvBsAoFAgFzAwIDYAHrMQAAAYAAAAAQAGECAAAAAAAAAAAAogAAAA/gBMUDEzM1dYMS1UTEExAAAA/gBDb2xvciBMQ0QKICAgAMI=
  DRM.card0.VGA.1:
   status: disconnected
   enabled: disabled
   dpms: On
   modes: 
   edid-base64:
  Date: Wed Aug 18 12:20:16 2010
  DkmsStatus:
   blcr, 0.8.2, 2.6.32-24-generic, i686: installed 
   virtualbox-ose, 3.2.8, 2.6.35-15-generic, i686: installed 
   virtualbox-ose, 3.2.8, 2.6.32-24-generic, i686: installed
  InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
  MachineType: Apple Computer, Inc. MacBook1,1
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-15-generic root=UUID=b2e99230-4b0b-4148-a79b-9321c7551026 ro quiet splash
  ProcEnviron:
   PATH=(custom, user)
   LANG=en_GB.utf8
   SHELL=/bin/bash
  SourcePackage: xorg
  dmi.bios.date: 10/12/06
  dmi.bios.vendor: Apple Computer, Inc.
  dmi.bios.version: MB11.88Z.0061.B03.0610121324
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: Mac-F4208CC8
  dmi.board.vendor: Apple Computer, Inc.
  dmi.board.version: PVT
  dmi.chassis.asset.tag: Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: Apple Computer, Inc.
  dmi.chassis.version: Mac-F4208CC8
  dmi.modalias: dmi:bvnAppleComputer,Inc.:bvrMB11.88Z.0061.B03.0610121324:bd10/12/06:svnAppleComputer,Inc.:pnMacBook1,1:pvr1.0:rvnAppleComputer,Inc.:rnMac-F4208CC8:rvrPVT:cvnAppleComputer,Inc.:ct10:cvrMac-F4208CC8:
  dmi.product.name: MacBook1,1
  dmi.product.version: 1.0
  dmi.sys.vendor: Apple Computer, Inc.
  glxinfo: Error: [Errno 2] No such file or directory
  system:
   distro:             Ubuntu
   codename:           maverick
   architecture:       i686
   kernel:             2.6.35-15-generic
+ --- 
+ Architecture: i386
+ CompizPlugins: [core,bailer,detection,composite,opengl,decor,mousepoll,vpswitch,regex,animation,snap,expo,move,compiztoolbox,place,gnomecompat,wall,ezoom,workarounds,staticswitcher,resize,fade,scale,session,unityshell]
+ CompositorRunning: None
+ DRM.card0.DVI.D.1:
+  status: disconnected
+  enabled: disabled
+  dpms: Off
+  modes: 
+  edid-base64:
+ DRM.card0.LVDS.1:
+  status: connected
+  enabled: enabled
+  dpms: On
+  modes: 1280x800
+  edid-base64: AP///////wAGEF+cAAAAAAgQAQOAHRJ4Ci8wl1hTiyklUFQAAAABAQEBAQEBAQEBAQEBAQEBvBsAoFAgFzAwIDYAHrMQAAAYAAAAAQAGECAAAAAAAAAAAAogAAAA/gBMUDEzM1dYMS1UTEExAAAA/gBDb2xvciBMQ0QKICAgAMI=
+ DRM.card0.VGA.1:
+  status: disconnected
+  enabled: disabled
+  dpms: Off
+  modes: 
+  edid-base64:
+ DistUpgraded: Fresh install
+ DistroCodename: natty
+ DistroRelease: Ubuntu 11.04
+ DistroVariant: ubuntu
+ DkmsStatus:
+  
+ GraphicsCard:
+  Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller [8086:27a2] (rev 03) (prog-if 00 [VGA controller])
+    Subsystem: Intel Corporation Device [8086:7270]
+    Subsystem: Intel Corporation Device [8086:7270]
+ MachineType: Apple Computer, Inc. MacBook1,1
+ Package: xserver-xorg-video-intel 2:2.14.0-1ubuntu9
+ PackageArchitecture: i386
+ ProcEnviron:
+  LANGUAGE=en_GB:en
+  PATH=(custom, user)
+  LANG=en_GB.UTF-8
+  LC_MESSAGES=en_GB.utf8
+  SHELL=/bin/bash
+ ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-4-generic root=UUID=b2e99230-4b0b-4148-a79b-9321c7551026 ro crashkernel=384M-2G:64M,2G-:128M quiet splash vt.handoff=7
+ ProcVersionSignature: Ubuntu 2.6.38-4.31-generic 2.6.38-rc5
+ Renderer: Unknown
+ Tags: natty ubuntu
+ Uname: Linux 2.6.38-4-generic i686
+ UserGroups: adm admin audio cdrom dialout dip fax floppy fuse libvirtd lpadmin netdev plugdev sambashare sbuild tape video
+ dmi.bios.date: 10/12/06
+ dmi.bios.vendor: Apple Computer, Inc.
+ dmi.bios.version: MB11.88Z.0061.B03.0610121324
+ dmi.board.asset.tag: Base Board Asset Tag
+ dmi.board.name: Mac-F4208CC8
+ dmi.board.vendor: Apple Computer, Inc.
+ dmi.board.version: PVT
+ dmi.chassis.asset.tag: Asset Tag
+ dmi.chassis.type: 10
+ dmi.chassis.vendor: Apple Computer, Inc.
+ dmi.chassis.version: Mac-F4208CC8
+ dmi.modalias: dmi:bvnAppleComputer,Inc.:bvrMB11.88Z.0061.B03.0610121324:bd10/12/06:svnAppleComputer,Inc.:pnMacBook1,1:pvr1.0:rvnAppleComputer,Inc.:rnMac-F4208CC8:rvrPVT:cvnAppleComputer,Inc.:ct10:cvrMac-F4208CC8:
+ dmi.product.name: MacBook1,1
+ dmi.product.version: 1.0
+ dmi.sys.vendor: Apple Computer, Inc.
+ version.compiz: compiz 1:0.9.2.1+glibmainloop4-0ubuntu11
+ version.libdrm2: libdrm2 2.4.23-1ubuntu3
+ version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.1~git20110215.cc1636b6-0ubuntu2
+ version.xserver-xorg: xserver-xorg 1:7.6~3ubuntu6
+ version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A
+ version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-1ubuntu9
+ version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A

** Attachment added: "BootDmesg.txt"
   https://bugs.launchpad.net/bugs/619726/+attachment/1864736/+files/BootDmesg.txt

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https://bugs.launchpad.net/bugs/619726

Title:
  [regression since lucid] LCD backlight brightness steps are
  inconsistent