[Radeon HD 6850 DPM Bug] Utopic 14.10 Cannot Boot

Bug #1380798 reported by Michael Murphy
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
linux (Ubuntu)
Fix Released
High
Unassigned

Bug Description

There is a bug inside the 3.16 kernel shipping with Ubuntu 14.10 which causes my Radeon HD 6850 machine to be unable to boot unless radeon.dpm=0 is passed to the kernel command line. This can't be done with the ISO so the only way to install Ubuntu 14.10 on these machines are to use the network install option. Linux 3.17 is also affected by the same bug.

Revision history for this message
Brad Figg (brad-figg) wrote : Missing required logs.

This bug is missing log files that will aid in diagnosing the problem. From a terminal window please run:

apport-collect 1380798

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

Changed in linux (Ubuntu):
status: New → Incomplete
Revision history for this message
Michael Murphy (mmstick) wrote :

It's not possible to run any commands when the ISOs won't even boot.

Changed in linux (Ubuntu):
status: Incomplete → Confirmed
Revision history for this message
Joseph Salisbury (jsalisbury) wrote :

Can you see if this issue also affects the latest daily image, which can be downloaded from:

http://cdimage.ubuntu.com/daily-live/current/

Changed in linux (Ubuntu):
importance: Undecided → High
tags: added: kernel-da-key
Revision history for this message
Michael Murphy (mmstick) wrote :

It seems to be fixed with the latest daily ISO.

Tim Gardner (timg-tpi)
Changed in linux (Ubuntu):
status: Confirmed → Fix Released
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