High X memory bugs are almost always caused by a runaway client program. There's nothing in any of the files you attached to suggest it is really an X bug.
You seem to have a number of non-standard software installed like virtualbox and chrome. Do a bit more analysis into what applications are running when this bug happens and try killing them off one by one.
High X memory bugs are almost always caused by a runaway client program. There's nothing in any of the files you attached to suggest it is really an X bug.
You seem to have a number of non-standard software installed like virtualbox and chrome. Do a bit more analysis into what applications are running when this bug happens and try killing them off one by one.