W dniu 21.07.2017 o 22:38, Andreas Benzler pisze: > our cluster runs till 2014 on supermicro board. > > It is not unusual that still mainboards with mga graphics cards are > delivered. > > So I have then adjusted the mga driver from centos 6 - the > specification file - , to be build on CentOS 7. Since then this runs > on the headnode without failures. Can you check do modesetting driver works fine on your card? Was fine on my mga550 last time I checked.