On 2012-08-01 22:02 +0200, Felix Natter wrote: > for a few months now I have some artifacts that mysteriously appear and > disappear on my gnome desktop: See http://bugs.debian.org/666468 and its two dozen duplicates. > Maybe this is related: When I do a "apt-get upgrade", *many* packages > are held back: Try "apt-get dist-upgrade" instead. Cheers, Sven