I see that you're passing a non-standard 'vga=791' boot option here. It's possible this is interfering with the radeon framebuffer in some way. If you drop this boot option, does the problem go away?
I see that you're passing a non-standard 'vga=791' boot option here. It's possible this is interfering with the radeon framebuffer in some way. If you drop this boot option, does the problem go away?