Hello, As I said, I need that computer working and I will probably have to format the next time I have access to it (so no more time for debugging, I am afraid). I hear you asking: then, why were you running sid on that computer? My reply: because for the last years, sid was pretty stable indeed (and often outdated compared to the - at least so-called - stable branches of other distros), but during the last months sid has become a headache.
Anyway, I am pretty clear that the log for the nv driver was similar to the attached one (the lines starting with "(EE)" were the same if I remember correctly). On the other hand, my description of the problem does not assume any crash in the X server at all (just KDE and xfce - at least - failing to start). My God, am I the only one with this problem? I use sid "carefully" and I never break any package dependencies. Or am I the only one using sid? :-D David > Please send the log of X when using the nv driver (we don't care about > the nvidia binary) and please save it *after* a crash (likely > /var/log/Xorg.0.log.old with a backtrace at the end). > > Brice > >

