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[Launchpad Bug Tracker <863969@xxxxxxxxxxxxxxxxxx>]

[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

** Changed in: linux (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/863969

Title:
  ubuntu 11.10b2 resumes on wrong iMac display port

Status in “linux” package in Ubuntu:
  Expired

Bug description:
  My iMac 21.5 (11,2) has ubuntu 11.10b2 installed, dual boot with Osx Lion. Ubuntu uses the open source ATI drivers At boot the video is good: on main display, correct resolution, reasonable performance. Resuming from sleep the system switches to the external video port (nothing connected) and leaves the main screen unlit. If I plug second monitor onto the external port I can continue after resume. On external screen the X resolution is as if for the main screen (1920x1080); incorrect for external screen (should be 1280x1024). I have no way to relight the main display, except restart.
  This issue of wrong display port used to affect ubuntu booting on iMac (see #542660 & #597070) but that problem seems to have been tamed in Oneiric. However not being able to resume without a second screen is a problem, especially since the higher power consumption in Oneiric (+15w compared with OSX) means you would like to sleep when possible. From earlier discussions this seems likely to be something fairly complex in KMS code.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: linux-image-3.0.0-12-generic 3.0.0-12.19
  ProcVersionSignature: Ubuntu 3.0.0-12.19-generic 3.0.4
  Uname: Linux 3.0.0-12-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 1.23-0ubuntu2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  peter      1558 F.... pulseaudio
   /dev/snd/controlC0:  peter      1558 F.... pulseaudio
  CRDA: Error: [Errno 2] No such file or directory
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xd0500000 irq 42'
     Mixer name	: 'Cirrus Logic CS4206'
     Components	: 'HDA:10134206,106b1200,00100301'
     Controls      : 22
     Simple ctrls  : 13
  Card1.Amixer.info:
   Card hw:1 'HDMI'/'HDA ATI HDMI at 0xd0430000 irq 44'
     Mixer name	: 'ATI R6xx HDMI'
     Components	: 'HDA:1002aa01,00aa0100,00100100'
     Controls      : 4
     Simple ctrls  : 1
  Card1.Amixer.values:
   Simple mixer control 'IEC958',0
     Capabilities: pswitch pswitch-joined penum
     Playback channels: Mono
     Mono: Playback [on]
  Date: Sat Oct  1 11:41:07 2011
  HibernationDevice: RESUME=UUID=f6e1b41a-449e-459f-8c41-f8858958eec3
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha amd64+mac (20110816)
  MachineType: Apple Inc. iMac11,2
  ProcEnviron:
   LANGUAGE=en_GB:en
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-12-generic root=UUID=c5afd811-14a5-41cb-a001-99040b12285c ro quiet splash vt.handoff=7
  PulseSinks:
   Error: command ['pacmd', 'list-sinks'] failed with exit code 1: Home directory /home/peter not ours.
   No PulseAudio daemon running, or not running as session daemon.
  PulseSources:
   Error: command ['pacmd', 'list-sources'] failed with exit code 1: Home directory /home/peter not ours.
   No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-3.0.0-12-generic N/A
   linux-backports-modules-3.0.0-12-generic  N/A
   linux-firmware                            1.60
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/03/10
  dmi.bios.vendor: Apple Inc.
  dmi.bios.version: IM112.88Z.0057.B00.1005031455
  dmi.board.name: Mac-F2238AC8
  dmi.board.vendor: Apple Inc.
  dmi.chassis.type: 13
  dmi.chassis.vendor: Apple Inc.
  dmi.chassis.version: Mac-F2238AC8
  dmi.modalias: dmi:bvnAppleInc.:bvrIM112.88Z.0057.B00.1005031455:bd05/03/10:svnAppleInc.:pniMac11,2:pvr1.0:rvnAppleInc.:rnMac-F2238AC8:rvr:cvnAppleInc.:ct13:cvrMac-F2238AC8:
  dmi.product.name: iMac11,2
  dmi.product.version: 1.0
  dmi.sys.vendor: Apple Inc.

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