kernel-packages team mailing list archive

[DjMix <ilario.gottardello@xxxxxxxxx>]

I connected the second monitor using the spare digital output and the
problem never ever reappeared, so I really think that the bug affected
the vga output. I don't have access to that computer anymore so I can't
test it further, sorry

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https://bugs.launchpad.net/bugs/1132675

Title:
  Radeon HD 6450 and dual monitor: second monitor not initialized
  correctly

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  Packages affected: linux-image-3.5.0-22, linux-image-3.5.0-23, linux-
  image-3.5.0-24, linux-image-3.5.0-25

  Up to linux-image-3.5.0-21-generic, the second screen connected to a Radeon HD 6450 is initialized correctly. From linux-image-3.5.0-22-generic, the same bug that was present in ubuntu 12.04 reappear: on Xorg startup the screen is recognized of the wrong panel size, o there are artifacts, and after login the unity session crash.
  --- 
  ApportVersion: 2.6.1-0ubuntu10
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC2:  ilario     2542 F.... pulseaudio
   /dev/snd/controlC0:  ilario     2542 F.... pulseaudio
   /dev/snd/controlC1:  ilario     2542 F.... pulseaudio
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
  DistroRelease: Ubuntu 12.10
  HibernationDevice: RESUME=UUID=78b49e24-9e25-41f7-9fc0-a10be2f73b77
  InstallationDate: Installed on 2011-10-20 (495 days ago)
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
  IwConfig:
   eth0      no wireless extensions.
   
   lo        no wireless extensions.
  MachineType: Dell Inc. Vostro 460
  MarkForUpload: True
  Package: linux (not installed)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=it_IT.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-21-generic root=UUID=4fa2a6c3-043a-404c-a0c3-a891741c4e96 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.5.0-21.32-generic 3.5.7.1
  RelatedPackageVersions:
   linux-restricted-modules-3.5.0-21-generic N/A
   linux-backports-modules-3.5.0-21-generic  N/A
   linux-firmware                            1.95
  RfKill:
   
  Tags:  quantal running-unity
  Uname: Linux 3.5.0-21-generic x86_64
  UpgradeStatus: Upgraded to quantal on 2012-10-19 (129 days ago)
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
  dmi.bios.date: 08/16/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A08
  dmi.board.name: 0Y2MRG
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A01
  dmi.chassis.type: 3
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA08:bd08/16/2012:svnDellInc.:pnVostro460:pvr:rvnDellInc.:rn0Y2MRG:rvrA01:cvnDellInc.:ct3:cvr:
  dmi.product.name: Vostro 460
  dmi.sys.vendor: Dell Inc.

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