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Message #23526
[Bug 1243524] Re: Dual Display not working on Mac Mini
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.12 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.
If you are unable to test the mainline kernel, for example it will not boot, please add the tag: 'kernel-unable-to-test-upstream'.
Once testing of the upstream kernel is complete, please mark this bug as "Confirmed".
Thanks in advance.
[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.12-rc6-saucy/
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
** Tags added: kernel-da-key
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https://bugs.launchpad.net/bugs/1243524
Title:
Dual Display not working on Mac Mini
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
On a fresh install of 13.10, the second display fails to detect /
initialise after X has started.
Installing a mainline kernel (It was an Intel drm-next nightly)
resolved the issue, and the second display detects and is useable as
expected. For interest that version was: 3.12.0-997.201310110505
ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: linux-image-3.11.0-12-generic 3.11.0-12.19
ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3
Uname: Linux 3.11.0-12-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.12.5-0ubuntu2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: davidb 2419 F.... pulseaudio
Date: Wed Oct 23 14:14:54 2013
HibernationDevice: RESUME=UUID=e8c908c6-2d23-43cd-8052-b3c67ee7a8e8
InstallationDate: Installed on 2013-10-15 (8 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Beta amd64+mac (20130925.1)
MachineType: Apple Inc. Macmini6,1
MarkForUpload: True
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-12-generic root=UUID=0d06820d-d2f9-467d-a64b-4a43635411c3 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.11.0-12-generic N/A
linux-backports-modules-3.11.0-12-generic N/A
linux-firmware 1.116
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/16/2012
dmi.bios.vendor: Apple Inc.
dmi.bios.version: MM61.88Z.0106.B03.1211161202
dmi.board.asset.tag: Base Board Asset Tag#
dmi.board.name: Mac-031AEE4D24BFF0B1
dmi.board.vendor: Apple Inc.
dmi.board.version: Macmini6,1
dmi.chassis.type: 16
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-031AEE4D24BFF0B1
dmi.modalias: dmi:bvnAppleInc.:bvrMM61.88Z.0106.B03.1211161202:bd11/16/2012:svnAppleInc.:pnMacmini6,1:pvr1.0:rvnAppleInc.:rnMac-031AEE4D24BFF0B1:rvrMacmini6,1:cvnAppleInc.:ct16:cvrMac-031AEE4D24BFF0B1:
dmi.product.name: Macmini6,1
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.
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References