
No ... after 19 hours of run ... it's crash without a debuglog entry (or error box displayed).
Like the 0.9.2 and 0.9.2.1

You don't get any kind of traceback or core dump from the OS either? We really need one to even start debugging this problem.
What is your usage scenario? Mining? A lot of RPC calls?
Does this happen in both bitcoin-qt and bitcoind?