Description of problem:
When we upgraded our workstations to libX11-1.6.5-2.el7 at the end of March. This bug presented itself as significant visual lag and screen update delays until more input events were processed.
Version-Release number of selected component (if applicable):
Upstream commit to fix the issue,
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.