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[Launchpad Bug Tracker <1222734@xxxxxxxxxxxxxxxxxx>]

You have been subscribed to a public bug by Fredrik Wendt (fredrik-wendt):

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.

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


** Tags: amd64 apport-bug kernel-bug-exists-upstream-v3.11.1 kernel-fixed-upstream-v3.12-rc1 needs-bisect raring regression-release saucy third-party-packages
-- 
[MacBookAir5,1] Mini dp-2-VGA Adapter not recogonized
https://bugs.launchpad.net/bugs/1222734
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