Cfish crashed or stopped his calculation BUG, where is the Debug Log File option?

[lex312]

Please compile every release and development version with the "Debug Log File" where everyone can type logfile.txt.
It would be simple to copy and past a logfile.txt from the computer and it would be much easier and faster to find and fix the BUG.

Cfish from 200920 nn-03744f8d56d8.nnue was playing a match with many games and in the middle of one game he crashed or maybe stopped his calculation without a reason. The time was running and running and runs out but nothing happens.
This doesn't happen with other devs.

No other programms were running in the same time.

[syzygy1]

It is possible that Cfish contains a race condition that causes it lock up, probably in relation to pondering. It might only happen on Windows (not sure).

I was planning to have a good look at this part of the code, but then NNUE happened. I'll get to it at some point.

[lex312]

I have done a lot of matches with Cfish and this doesn't happen before.

And with Cfish from 200920 it happens at game 21 and also 17 games later at game 38.