I've got a similar issue on a recently purchased Dell Inspiron 5770 with an AMD
Radeon 530 graphics card with openSUSE Tumbleweed.

Reboot or attempt to switch to text console causes a hang and /var/log/messages
contains the above message + kernel bug with a stack trace. Full details are
here:

https://bugzilla.opensuse.org/show_bug.cgi?id=1068793