Public bug reported:
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.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug saucy
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https://bugs.launchpad.net/bugs/1243524
Title:
Dual Display not working on Mac Mini
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