When I installed tesla driver in Redhat 7.2 OS,I found that my OS can get int to graphical interfaces .When I uninstall the driver ,the error disppear and I can get int to the graphical interfaces again.I just don’t know what has happpened between the OS and the driver .So I came here to get some help .I’m an engineer from Huawei Technology Company .I’m looking forward to your reply. Thank you very much.