Well, it all very weird!
first attempt: I launch DM under gdb (dgb ./thedarkmod.x64) and... its works like a charm
I leave start tunnels, quicksave and relaunch without gdb - all good
second attempt: I launch all the same under gdb and now it fail but backtrace say nothing helpful:
But! I notice that on the first attempt game show me text message (suppose my current location in term of this mission) and I found this in log:
So I believe that this issue fire when game try to show this first start message