Don't know how, but I managed to get a short debug line: err:ntdll:RtlpWaitForCriticalSection section 0x7e06d260 "../../../wine/dlls/winex11.drv/x11drv_main.c: X11DRV_CritSection" wait timed out in thread 0021, blocked by 0034, retrying (60 sec) Any idea about what is it?