RADEON(0): [drm] failed to set drm interface version.

[Alex Deucher]

On Wed, Jan 4, 2017 at 2:48 AM, Paul Hancock
<Paul.Hancock.17041993 at live.com> wrote:
>
> I've got a mostly fresh kubuntu install that cant start xserver correctly, it hits the line in the email subject and aborts immediately (error 1). Oddly enough however calling startx while in the recovery CLI allows xserver to start normally and shows the mouse cursor for a couple seconds (kicked back to CLI because nothing else is running).
>
> Here's pastebin links of the logs;
> Recovery, seemingly error-free: http://pastebin.com/cNQaxvqG
> Normal boot, no screens: http://pastebin.com/uWhX4sxv
>
> Do I need to alter how xserver is started on normal boot or something else?
>

Make sure the kernel driver is loaded before starting X.

Alex