I tried syncroot, but now I got another problem.
When I try to start LXDE, it start up and I push OK for the focus, but the screen with "Ctrl-back to return to dashboard" never finish.

In top I see :
772 648 root S < 9680 3.9 31.7 /usr/bin/Xorg -logfile /tmp/Xorg.0.log -logverbose 1 -nolisten tcp -noreset -s 0
729 1 root S 6704 2.7 5.4 /usr/sbin/ohmd --no-daemon
9437 9411 user R 4524 1.8 0.5 /usr/bin/Xephyr :1 -screen 800x480 -br -ac
19815 6062 root R 740 0.3 0.5 top
7540 7529 user R 1156 0.4 0.3 /bin/sh /usr/bin/xephfocus
10 2 root SW 0 0.0 0.3 [omap2_mcspi]
1061 935 user S 14832 6.0 0.2 /usr/bin/hildon-desktop