There are two older bug reports about this issue, namely Bug #423930 and Bug #1054299 . I think this one should be marked as a duplicate of either one. This one was originally reported agains xfce4-session, but in later comments fixing has been tried to do in xscreensaver's code. Please see https://bugs.launchpad.net/ubuntu/+source/xfce4-session/+bug/1054299/comments/8
There are two older bug reports about this issue, namely Bug #423930 and Bug #1054299 . I think this one should be marked as a duplicate of either one. This one was originally reported agains xfce4-session, but in later comments fixing has been tried to do in xscreensaver's code. Please see https:/ /bugs.launchpad .net/ubuntu/ +source/ xfce4-session/ +bug/1054299/ comments/ 8