i have been reading https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1297144 and it seems that this is a well known bug. So I will just have to try the work arounds. Bill -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://lists.ubuntu.com/archives/ubuntu-za/attachments/20160507/71c5501c/attachment.html>