The kernel from your link does not bring up the display. The last
message I think I saw was :
fb: conflicting fb hw usage radeondrmfb vs EFI VGA - removing generic
driver
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1250909
Title:
Trusty linux kernel 3.12.0-2 doesn't boot on Macbook Pro 8,2
Status in “linux” package in Ubuntu:
Confirmed
Bug description:
After upgrading from Saucy to Trusty, the 3.12.0-2 kernel doesn't
fully boot on my machine. I have to use the older 3.11 kernel to boot.
The 3.12.0 kernel tries to boot but then seems to fail at some stage.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.12.0-2-generic 3.12.0-2.5
ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3
Uname: Linux 3.11.0-12-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.12.6-0ubuntu1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: shadeslayer 2482 F.... pulseaudio
/dev/snd/controlC0: shadeslayer 2482 F.... pulseaudio
Date: Wed Nov 13 16:56:49 2013
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=0d23fd6f-b835-411a-af8b-c1d7a07cbf91
InstallationDate: Installed on 2013-10-31 (12 days ago)
InstallationMedia: Kubuntu 13.10 "Saucy Salamander" - Release amd64
(20131016.1)
MachineType: Apple Inc. MacBookPro8,2
MarkForUpload: True
ProcFB:
0 inteldrmfb
1 radeondrmfb
ProcKernelCmdLine: \boot\vmlinuz-3.11.0-12-generic ro
root=UUID=ff872e15-889d-4f71-b33f-176cf27e2f12
initrd=boot\initrd.img-3.11.0-12-generic
RelatedPackageVersions:
linux-restricted-modules-3.11.0-12-generic N/A
linux-backports-modules-3.11.0-12-generic N/A
linux-firmware 1.117
SourcePackage: linux
UpgradeStatus: Upgraded to trusty on 2013-10-31 (12 days ago)
dmi.bios.date: 01/24/12
dmi.bios.vendor: Apple Inc.
dmi.bios.version: MBP81.88Z.0047.B27.1201241646
dmi.board.asset.tag: Base Board Asset Tag#
dmi.board.name: Mac-94245A3940C91C80
dmi.board.vendor: Apple Inc.
dmi.board.version: MacBookPro8,2
dmi.chassis.type: 10
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-94245A3940C91C80
dmi.modalias:
dmi:bvnAppleInc.:bvrMBP81.88Z.0047.B27.1201241646:bd01/24/12:svnAppleInc.:pnMacBookPro8,2:pvr1.0:rvnAppleInc.:rnMac-94245A3940C91C80:rvrMacBookPro8,2:cvnAppleInc.:ct10:cvrMac-94245A3940C91C80:
dmi.product.name: MacBookPro8,2
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.
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