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[Vishnu <vishnuholmes@xxxxxxxxx>]

I still have this problem in ubuntu 14.10

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

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https://bugs.launchpad.net/bugs/1222734

Title:
  [MacBookAir5,1] Mini dp-2-VGA Adapter not recogonized

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Since I update from 12.10 to 13.04 my mini dp to vga adapter is not
  recognized :

  With VGA adapter connected to macbook air
  mandilg@Horace:~$ xrandr
  Screen 0: minimum 320 x 200, current 1366 x 768, maximum 8192 x 8192
  eDP1 connected 1366x768+0+0 (normal left inverted right x axis y axis) 256mm x 144mm
     1366x768       60.0*+
     1360x768       59.8     60.0
     1024x768       60.0
     800x600        60.3     56.2
     640x480        59.9
  VGA1 disconnected (normal left inverted right x axis y axis)
  HDMI1 disconnected (normal left inverted right x axis y axis)
  DP1 disconnected (normal left inverted right x axis y axis)
     1280x1024_60.00   60.0
  HDMI2 disconnected (normal left inverted right x axis y axis)
  DP2 disconnected (normal left inverted right x axis y axis)

  With mini dp to DVI adapter conneted to macbook air.
  mandilg@Horace:~$ xrandr
  Screen 0: minimum 320 x 200, current 3286 x 1200, maximum 8192 x 8192
  eDP1 connected 1366x768+1920+203 (normal left inverted right x axis y axis) 256mm x 144mm
     1366x768       60.0*+
     1360x768       59.8     60.0
     1024x768       60.0
     800x600        60.3     56.2
     640x480        59.9
  VGA1 disconnected (normal left inverted right x axis y axis)
  HDMI1 connected 1920x1200+0+0 (normal left inverted right x axis y axis) 518mm x 324mm
     1920x1200      60.0*+
     1600x1200      60.0
     1680x1050      59.9
     1280x1024      60.0
     1280x960       60.0
     1024x768       60.0
     800x600        60.3
     640x480        60.0
     720x400        70.1
  DP1 disconnected (normal left inverted right x axis y axis)
     1280x1024_60.00   60.0
  HDMI2 disconnected (normal left inverted right x axis y axis)
  DP2 disconnected (normal left inverted right x axis y axis)

  it seems to be a bug on 3.8 kernel : see
  https://bbs.archlinux.org/viewtopic.php?pid=1270495

  regards

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: linux-image-3.8.0-25-generic 3.8.0-25.37
  ProcVersionSignature: Ubuntu 3.8.0-25.37-generic 3.8.13
  Uname: Linux 3.8.0-25-generic x86_64
  ApportVersion: 2.9.2-0ubuntu8.3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  mandilg    2626 F.... pulseaudio
  CRDA:
   country FR:
    (2402 - 2482 @ 40), (N/A, 20)
    (5170 - 5250 @ 40), (N/A, 20)
    (5250 - 5330 @ 40), (N/A, 20), DFS
    (5490 - 5710 @ 40), (N/A, 27), DFS
  Date: Mon Sep  9 11:58:38 2013
  HibernationDevice: RESUME=UUID=82626092-cf02-414e-9ed6-924147b9b035
  InstallationDate: Installed on 2012-12-19 (263 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
  MachineType: Apple Inc. MacBookAir5,1
  MarkForUpload: True
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-25-generic root=UUID=e9a0f640-b834-45cb-9dd3-373676e1c3d2 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.8.0-25-generic N/A
   linux-backports-modules-3.8.0-25-generic  N/A
   linux-firmware                            1.106
  SourcePackage: linux
  UpgradeStatus: Upgraded to raring on 2013-06-09 (91 days ago)
  dmi.bios.date: 07/27/2012
  dmi.bios.vendor: Apple Inc.
  dmi.bios.version: MBA51.88Z.00EF.B01.1207271122
  dmi.board.asset.tag: Base Board Asset Tag#
  dmi.board.name: Mac-66F35F19FE2A0D05
  dmi.board.vendor: Apple Inc.
  dmi.board.version: MacBookAir5,1
  dmi.chassis.type: 10
  dmi.chassis.vendor: Apple Inc.
  dmi.chassis.version: Mac-66F35F19FE2A0D05
  dmi.modalias: dmi:bvnAppleInc.:bvrMBA51.88Z.00EF.B01.1207271122:bd07/27/2012:svnAppleInc.:pnMacBookAir5,1:pvr1.0:rvnAppleInc.:rnMac-66F35F19FE2A0D05:rvrMacBookAir5,1:cvnAppleInc.:ct10:cvrMac-66F35F19FE2A0D05:
  dmi.product.name: MacBookAir5,1
  dmi.product.version: 1.0
  dmi.sys.vendor: Apple Inc.

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