Gentoo don't start liquidsoap

Bug when i start liquidsoap (gentoo hardner)
I thinks it's coming from clone()

{{{
Thread 2 (Thread 0x7f43a8604950 (LWP 4278)):
#0 0x00007f43a905c4a2 in select () from /lib/libc.so.6
#1 0x00000000005267bf in caml_thread_tick ()
#2 0x00007f43ab113087 in start_thread () from /lib/libpthread.so.0
#3 0x00007f43a906277d in clone () from /lib/libc.so.6
#4 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f43abdc4700 (LWP 4274)):
#0 0x0000000000000000 in ?? ()
#1 0x0000000000820278 in camlMap__5 ()
#2 0x00000000004e1ffb in camlPcre__entry ()
#3 0x00007f43abdbe9a8 in ?? ()
#4 0x000000000040bdfa in caml_startup__code_begin ()
#5 0x000000000032c421 in ?? ()
#6 0x000000000053e1f2 in caml_start_program ()
#7 0x0000000000000000 in ?? ()
}}}