I also got this issue on 17.10 after installing linux kernel 4.15.1 (amd64, lot-latency) from Ubuntu kernel-ppa[1] and Vesa components from Padoka PPA[2] to get better support for my Vega 56 GPU
[1]: http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.15.1/ [2]: https://launchpad.net/~paulo-miguel-dias/+archive/ubuntu/mesa
I also got this issue on 17.10 after installing linux kernel 4.15.1 (amd64, lot-latency) from Ubuntu kernel-ppa[1] and Vesa components from Padoka PPA[2] to get better support for my Vega 56 GPU
[1]: http:// kernel. ubuntu. com/~kernel- ppa/mainline/ v4.15.1/ /launchpad. net/~paulo- miguel- dias/+archive/ ubuntu/ mesa
[2]: https:/