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[Dmitrijs Ledkovs <619726@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

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

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


** Tags: apport-bug i386 maverick

-- 
[regression, maverick] LCD backlight brightness steps are inconsistent
https://bugs.launchpad.net/bugs/619726
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