glxinfo reports libGL error for nouveau_dri.so on Red Hat Enterprise Linux 6

Issue

• glxinfo reports libGL error for nouveau_dri.so on Red Hat Enterprise Linux 6

$ glxinfo > /tmp/glxinfo
libGL error: dlopen /usr/lib64/dri/nouveau_dri.so failed
(/usr/lib64/dri/nouveau_dri.so: cannot open shared object file: No such file
or directory)
libGL error: unable to load driver: nouveau_dri.so
libGL error: driver pointer missing
libGL error: failed to load driver: nouveau

• The message was not observed in older update level of Red Hat Enterprise Linux 6 OS.