[CentOS] gnome / gdm mess

Tue Jun 5 11:03:57 UTC 2012
Philippe Naudin <philippe.naudin at supagro.inra.fr>


My first attempt to install Gnome is not a bright success.

If I boot in runlevel 5, using gdm, I get the login screen, but after
login I get sometimes only the root window (no icons, no toolbar, no
menu, nothing but keyboard shortcuts), sometimes the icons are here but
not the toolbars...

If I use startx from runlevel 3, everything is fine.

As I don't know Gnome, I have very probably messed something during
install (CentOS-6, x86_64, using uptodate netinstall iso, starting
from Minimal Desktop). But I have no clue about where to look, or how
to debug it. 

Can someone point me to some useful doc ?

P.S. I'm surprised to see gdm and X running on tty1 (in runlevel 5,
not 3). Is it correct ? 

Thanks for your help,

Philippe Naudin