I am being bothered by the strange screen fragment while using emacs.
Sometimes, when I edit something in emacs, the screen gets fragmented like this:
The lines are not correctly updated
Below is the correct display
My ubuntu is in VirtualBox. The VirtualBox version is 4.3.10. I have installed the guest addition.
The ubuntu I am using is
ubuntu 13.10
Intel® Core™ i7-2600 CPU @ 3.40GHz × 4
Chromium 64-bit
The emacs I am using should be the newest one
GNU Emacs 24.3.1 (x86_64-pc-linux-gnu, GTK+ Version 3.8.6) of 2014-01-03 on gold, modified by Debian
