[Bug 548709] [NEW] [R423] gamma bug, display too bright when using DVI-VGA adapter

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Binary package hint: xserver-xorg-video-ati

Ubuntu Lucid Lynx radeon driver has a bug, which causes
gamma/contrast/brightness settings to be messed up.

http://ubuntuforums.org/showthread.php?t=1438810

Display is okay with Karmic Koala kernel 2.6.31-20.

Using xgamma, to lower gamma makes it worse.

ProblemType: Bug
Architecture: i386
Date: Fri Mar 26 12:50:34 2010
DistroRelease: Ubuntu 10.04
DkmsStatus: Error: [Errno 2] No such file or directory
Package: xserver-xorg-video-ati 1:6.12.191-1ubuntu2
ProcCmdLine: BOOT_IMAGE=/vmlinuz-2.6.32-17-generic root=UUID=f3621de2-2969-49d4-bdd3-882dee6a5df0 ro quiet splash
ProcEnviron:
 LANG=et_EE.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-17.26-generic 2.6.32.10+drm33.1
SourcePackage: xserver-xorg-video-ati
Uname: Linux 2.6.32-17-generic i686
dmi.bios.date: 06/05/2008
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F7c
dmi.board.name: 945P-S3
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.type: 3
dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF7c:bd06/05/2008:svn:pn:pvr:rvnGigabyteTechnologyCo.,Ltd.:rn945P-S3:rvrx.x:cvn:ct3:cvr:
system:
 distro:             Ubuntu
 codename:           lucid
 architecture:       i686
 kernel:             2.6.32-17-generic

[lspci]
00:00.0 Host bridge [0600]: Intel Corporation 82945G/GZ/P/PL Memory Controller Hub [8086:2770] (rev 02)
	Subsystem: Giga-byte Technology Device [1458:5000]
01:00.0 VGA compatible controller [0300]: ATI Technologies Inc R423 UK [Radeon X800SE (PCIE)] [1002:554b]
	Subsystem: Club-3D BV Device [196d:1085]

** Affects: xserver-xorg-driver-ati
     Importance: Unknown
         Status: Unknown

** Affects: linux (Ubuntu)
     Importance: Medium
         Status: Triaged


** Tags: apport-bug i386 lucid
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[R423] gamma bug, display too bright when using DVI-VGA adapter
https://bugs.edge.launchpad.net/bugs/548709
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