Vishnu, thank you for your comment. So your issue may be dealt with as soon as possible, and so your hardware may be tracked by having necessary debugging information automatically attached, could you please file a new report with Ubuntu by executing the following in a terminal while booted into the default Ubuntu repository kernel via: ubuntu-bug linux
For more on why this is most helpful, please read the official Ubuntu documentation from the respective Ubuntu developer groups, and triage teams: Ubuntu Bug Control and Ubuntu Bug Squad: https://wiki.ubuntu.com/Bugs/BestPractices Ubuntu Kernel Team: https://wiki.ubuntu.com/KernelTeam/KernelTeamBugPolicies https://wiki.ubuntu.com/Kernel/Policies/DuplicateBugs Ubuntu Community: https://help.ubuntu.com/community/ReportingBugs When opening up the new report, please feel free to subscribe me to it. Thank you for your understanding. -- 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. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1222734/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp