I just installed KDE4 into my Gutsy, but I'm getting crash @ startup, the last interesting stuff on stdout is:
kdeinit4_wrapper: Warning: connect(/home/xxx/.kde/socket-xxx-laptop/kdeinit4__1) failed: : No such file or directory
kdeinit4: Got SETENV 'SESSION_MANAGER=local/xxx-laptop:/tmp/.ICE-unix/14366,inet6/xxx-laptop:60857,inet/xxx-laptop:46560' from klauncher.
kdeinit4: Got EXEC_NEW 'kwin' from launcher.
kdeinit4: preparing to launch /usr/lib/kde4/bin/kwin
kwin(14369) KWin::CompositingPrefs::detect: glx version is 1 . 2
kded4: Fatal IO error: client killed
kdeinit4: Fatal IO error: client killed
kdeinit4: sending SIGHUP to children.
klauncher: Exiting on signal 1
kwin: Fatal IO error: client killed
kdeinit4: sending SIGTERM to children.
kdeinit4: Exit.
ksmserver: Fatal IO error: client killed
Could not connect to D-Bus server: org.freedesktop.DBus.Error.NoServer: Failed to connect to socket /tmp/dbus-UGVongY9ks: Connection refused
startkde: Shutting down...
kdeinit4_wrapper: Warning: connect(/home/xxx/.kde/socket-xxx-laptop/kdeinit4__1) failed: : No such file or directory
Error: Can't contact kdeinit4!
startkde: Running shutdown scripts...
kdeinit4_wrapper: Warning: connect(/home/xxx/.kde/socket-xxx-laptop/kdeinit4__1) failed: : No such file or directory
kdeinit4: Got SETENV 'SESSION_MANAGER=local/xxx-laptop:/tmp/.ICE-unix/14366,inet6/xxx-laptop:60857,inet/xxx-laptop:46560' from klauncher.
kdeinit4: Got EXEC_NEW 'kwin' from launcher.
kdeinit4: preparing to launch /usr/lib/kde4/bin/kwin
kwin(14369) KWin::CompositingPrefs::detect: glx version is 1 . 2
kded4: Fatal IO error: client killed
kdeinit4: Fatal IO error: client killed
kdeinit4: sending SIGHUP to children.
klauncher: Exiting on signal 1
kwin: Fatal IO error: client killed
kdeinit4: sending SIGTERM to children.
kdeinit4: Exit.
ksmserver: Fatal IO error: client killed
Could not connect to D-Bus server: org.freedesktop.DBus.Error.NoServer: Failed to connect to socket /tmp/dbus-UGVongY9ks: Connection refused
startkde: Shutting down...
kdeinit4_wrapper: Warning: connect(/home/xxx/.kde/socket-xxx-laptop/kdeinit4__1) failed: : No such file or directory
Error: Can't contact kdeinit4!
startkde: Running shutdown scripts...