Andrew Gaydenko wrote:
Last week or two (I mostly use Gnome and can not say more precisely) after
KDE4 starting session apps starts also, as well as bg and panels. But then I
get black screen (during this KDE4 start process), and Ctrl-Alt-Backspace does
nothing. The only way I have in hand to continue is to use SysRq kernel
hacking (s, u, b).
Have you an idea how to catch the halt reason?
Try to ssh into the box from another machine and inspect the logs
("~/.xsession-errors" and "/var/log/Xorg.0.log").