Guillaume Mandil, could you please confirm this issue exists with the latest development release of Ubuntu? ISO images are available from http://cdimage.ubuntu.com/daily-live/current/ . If the issue remains, please only make a comment to this.
Also, could you please test the latest upstream kernel available following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional upstream developers to examine the issue. Please do not test the daily kernel folder, but the one all the way at the bottom. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this bug is fixed in the mainline kernel, please add the following tags: kernel-fixed-upstream kernel-fixed-upstream-VERSION-NUMBER where VERSION-NUMBER is the version number of the kernel you tested. For example: kernel-fixed-upstream-v3.12-rc1 This can be done by clicking on the yellow circle with a black pencil icon next to the word Tags located at the bottom of the bug description. As well, please remove the tag: needs-upstream-testing If the mainline kernel does not fix this bug, please add the following tags: kernel-bug-exists-upstream kernel-bug-exists-upstream-VERSION-NUMBER As well, please remove the tag: needs-upstream-testing Once testing of the upstream kernel is complete, please mark this bug's Status as Confirmed. Please let us know your results. Thank you for your understanding. ** Tags removed: regression-update ** Tags added: regression-release ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. 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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