ubuntu-x-swat team mailing list archive

[Andreas Modinos <admodinos@xxxxxxxxxxx>]

** Description changed:

  Ubuntu Lucid Lynx, kernel 2.6.32.xx
  
  Zooming in with Super+Scroll causes the screen to become very dark,
  practically unreadable. Adjusting Fn+Brightness doesn't fix this,
  although I can tell the brightness changing slightly. The same thing
  happens when changing workspaces (Ctrl+Alt+-> or Ctrl+Alt+<-), dragging
  a window from one workspace to another, or using Expo (Super+E) to view
  all workspaces simultaneously. Returning to normal zoom level will
  always restore the correct level of brightness immediately,
  corresponding to how it might have been adjusted during black out. I
  also noticed that the cursor will stay bright against the dark
  background.
  
- I reported this bug against the kernel because with the mainline kernel
- there were no issues with brightness (albeit, there are some other
- issues). A bug report against the X.org Radeon driver is at
+ I originally reported this bug against the kernel because with the
+ mainline kernel there were no issues with brightness (albeit, there are
+ some other issues). Later it was confirmed to be a bug in video drivers
+ through the bug report at
  https://bugs.freedesktop.org/show_bug.cgi?id=25883
  
- Attachments to follow...
+ A work around for the bug is to disable the setting 'Lighting' in Compiz
+ general settings under the display tab.
+ 
  ---
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  andreas    1416 F.... pulseaudio
  CRDA: Error: [Errno 2] Tiedostoa tai hakemistoa ei ole
  Card0.Amixer.info:
   Card hw:0 'I82801DBICH4'/'Intel 82801DB-ICH4 with STAC9750,51 at irq 7'
     Mixer name	: 'SigmaTel STAC9750,51'
     Components	: 'AC97a:83847650'
     Controls      : 38
     Simple ctrls  : 24
  DistroRelease: Ubuntu 10.04
  HibernationDevice: RESUME=UUID=30e3faba-8e9e-4616-97ab-aae747c6a3b5
  InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Alpha i386 (20100224.1)
  MachineType: Dell Computer Corporation Latitude D600
  Package: linux (not installed)
  PccardctlIdent:
   Socket 0:
     no product info available
   Socket 1:
     product info: "O2Micro", "SmartCardBus Reader", "V1.0", ""
     manfid: 0xffff, 0x0001
  PccardctlStatus:
   Socket 0:
     no card
   Socket 1:
     5.0V 16-bit PC Card
     Subdevice 0 (function 0) [unbound]
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-16-generic root=UUID=99ec916b-a551-4e75-85d2-60d165d6e870 ro quiet splash
  ProcEnviron:
   LANG=fi_FI.utf8
   SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 2.6.32-16.25-generic
  Regression: No
  RelatedPackageVersions: linux-firmware 1.32
  Reproducible: Yes
  RfKill:
   0: hci0: Bluetooth
    Soft blocked: no
    Hard blocked: no
  Tags: lucid needs-upstream-testing
  TestedUpstream: No
  Uname: Linux 2.6.32-16-generic i686
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
  dmi.bios.date: 06/29/2005
  dmi.bios.vendor: Dell Computer Corporation
  dmi.bios.version: A16
  dmi.board.name: 0D2125
  dmi.board.vendor: Dell Computer Corporation
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Computer Corporation
  dmi.modalias: dmi:bvnDellComputerCorporation:bvrA16:bd06/29/2005:svnDellComputerCorporation:pnLatitudeD600:pvr:rvnDellComputerCorporation:rn0D2125:rvr:cvnDellComputerCorporation:ct8:cvr:
  dmi.product.name: Latitude D600
  dmi.sys.vendor: Dell Computer Corporation

-- 
[Legacy Radeon cards] Desktop effects/compiz: display brightness fluctuation with zoom, workspace switch or Expo
https://bugs.launchpad.net/bugs/539163
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