let me add that I've already tried removing ~/.local/share/recently-used.xbel but the problem persists
the problem occurs also if I open a new user session find attached ~/.cache/gdm/session.log my video card is: $ lspci | grep VGA 00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09) $ uname -a Linux fede-xps 3.10-3-amd64 #1 SMP Debian 3.10.11-1 (2013-09-10) x86_64 GNU/Linux
session.log
Description: Binary data