Ubuntu 11.10 Daily Build (2011-07-26) won't boot (alternate amd64+mac) on a newer MacBook Pro

[raVen]

The summary says it all. I insert the disc into my MacBook Pro, reboot, hold down the C key. It loads up the ISO loader screen. I select "Install Ubuntu", the screen goes black and remains that way.

Please let me know if there is any more information I can give.

Brandon

[Steve Langasek (vorlon)]

More likely to be an issue with the bootloader or kernel rather than with plymouth, I think. Reassigning to syslinux for further triaging.

[Ansis Atteka (ansisatteka)]

Have the same problem on my MacBook Pro with Ubuntu 11.10.

The "Ubuntu Welcome Jingle" was played successfully after Ubuntu booted up from LiveCD, but the screen remained blank. A wild guess would be that simply the right display was not configured correctly (by the way it has Sandy Bridge CPU with an external AMD Radeon GPU).

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Ansis Atteka (ansisatteka)]

In the Grub boot-loader I removed "quite" and "splash" kernel boot options. And this was the last error message I saw before screen froze: fb: conflicting fb hw usage radeondrmfb vs EFI VGA - removing generic driver

If I add "nomodeset" to the kernel boot options then I am able to get past that error message and atleast have access to command line. If I do xstart then then it complained with "Screen(s) found, but none have a usable configuration."

By the way I have MacBookPro 8,2 with external AMD graphics card.

[Ansis Atteka (ansisatteka)]

It seems that this bug is exposed only when Ubuntu LiveCD is loaded from USB flash drive. I was able to boot Ubuntu 12.04 from DVD disc without any problem.s

[TimP (timp-paneris)]

A MacBookPro 2011.

I installed from USB external cd Ubuntu Server 12.10 and then tried to update via apt-get install ubuntu-server.

From the live CD I too got through to the drum roll, but nothing displayed.

Looks like there are two problems one in USB driver the other in EFI stuff (I installed rEFIt first).

I hope this gives some information to a problem which is being experienced by a few people.

(my optical drive has been swapped for an SSD, hence external USB)