R help - Jul 2015 - Latest Xorg updates broke R x11()

Hello,

       Have 15 RedHat EL6 workstations patched to current.
       Over the weekend the kernel was patched to 6.7 and the xorg-x11-server
and our R-3.1.2 will
       not open a xterm window.

        It appears to select a portion of the screen and lock onto it. This
section can be moved around
        the screen at will, however; it is not possible to access anything
inside the screen. It can only
        be managed by killing the R process.

         Any suggestions for resolution would be greatly appreciated.

         FYI: The kernel was upgraded to 6.7 and xorg-x11-server to
1.15.0-36.el6.x86_64.

         Thank you in advance for any assistance.

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