Not to the best of my knowledge just have this:
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Cedar [Radeon HD 5000/6000/7350/8350 Series]
rpm -qa | grep -i fglrx
Does this help, from gdb /usr/bin/mate-session /var/lib/systemd/coredump/core.mate-session.1000.d7ae5cd424f743dcbbdad920fbc58b7b.2731.1510340293000000
[...] Reading symbols from /usr/bin/mate-session...Reading symbols from /usr/lib/debug/usr/bin/mate-session.debug...done. done. [New LWP 2731] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib64/libthread_db.so.1". Core was generated by `mate-session'. Program terminated with signal SIGSEGV, Segmentation fault. #0 0x00007f3ffb453627 in XGetXCBConnection (dpy=dpy@entry=0x55e55b465000) at x11_xcb.c:9 9 return dpy->xcb->connection;