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binary10
April 23rd, 2010, 06:36 AM
Lucid RC CD has broken X11 access on the Apple iMac 11,1 27in i7/i5.

It was working under the Beta 2 (http://ubuntuforums.org/showthread.php?p=9161359#post9161359)

'radeon.modeset=0 nomodeset' nolonger work on the casper boot.

Existing launch pad report: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/542660

The iMac 11,1 uses the - 4850 mobility I believe. Heres the OSX dump:

ATI Radeon HD 4850:

Chipset Model: ATI Radeon HD 4850
Type: GPU
Bus: PCIe
PCIe Lane Width: x16
VRAM (Total): 512 MB
Vendor: ATI (0x1002)
Device ID: 0x944a
Revision ID: 0x0000
ROM Revision: 113-B9110C-425
EFI Driver Version: 01.00.383
Displays:
iMac:
Resolution: 2560 x 1440
Pixel Depth: 32-Bit Color (ARGB8888)
Main Display: Yes
Mirror: Off
Online: Yes
Built-In: Yes
Connection Type: DisplayPort
Display Connector:
Status: No Display Connected