Hi!
I am not really sure whether I have collected the right information. And maybe it is something obvious.
The thing is, I have tried again to create a world with a lot of history, and yet again, DF crashed during generation. EDIT: The change date of the errorlog.txt file does not match. So the Random Buffer Overload is seemingly not related to this crash
What I did was creating a MEDIUM world with lots of forests and mountains to help elven survival rate. Ignoring megabeast death, I had set it to run till the year 10,000 and I had about 500 caves altogether. In order to have lots of history in engravings, I had set all biome-relevant variances to 100 so as to get large mountain chains and forests.
The last snapshot file in the current directory was dated 3030. As I was out for a walk (I expected this to take a few hours), I can't really say much about the status at the time of the crash and the exact seed is unknown as I was using random seeds.
The crash was an orderly one that the desktop was back in front together with an information window that the application runtime had requested an extraordinary abort or some such. The music was still alive. Upon confirmation, things got packed up and I got the standard message from Windows about aborting software and sending infos to Micro$oft.
I know, this is rather vague, but hopefully, I can get at least some advice. If need be, I can try to figure out a seed set that causes such a crash again (well, I do have the parameters) and post it.
Deathworks