I think that the list was refusing my message to tell me 'investigate more'... ;-)
In fact, the problem was in the composite extension (left by an old test). This extension removed, no more problem! Thanks to Michel who made investigate this problem with another point of vue (using ssh from another machine) and find the solution. Nevertheless, Michel, your intervention rises a question: Michel Dänzer wrote: > You'd have to get a backtrace from > the X server, How can one have a backtrace of the X server. I did a 'strace -ofile startx'. Is it the right way? Thanksfully, Yannick -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]