Troubles with the X-Server on an RADEON GPU 240

[Miranda Maria Sophie Van den Breukelingen]

Revision: svn'd but not yet built 353009 on CURRENT GENERIC;
built: xorg-xserver; llvm-devel

X -configure log tells, can't open dev/io; falling back to scfb
no screens found

/etc/rc.conf: kld_load="amdgpu".

sddm:
xauth in sloop...

kernel rebuilt?