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Jason_Hunter
May 28th, 2015, 05:05 PM
I upgraded from 14.04 to 14.10 and now Xorg won't start.

When I ctrl-alt-f1, I see a few messages:

radeon: Invalid ROM Contents
drm:si_dpm_set_power_state *ERROR* si_restrict_performance_levels_before_switch failed.

I'm not even getting a bash login when I switch with ctrl-alt-f1. On tty 7, I got a black screen and it says "Ubuntu GNOME" with a progress bar (4 white dots turning blue).

I've tried starting with the other available kernels, to no use.

I think my best bet is to figure out how to get a shell, then update the Radeon driver or upgrade all the way to 15.04.

What you think?