We have the same issue.
The server works fine on 1.52 for us too.

Thanks, will keep you informed.

Thanks,
no crashes all day
Great work!

Another crash - https://drive.google.com/file/d/0B9NEiDRycakXdFJxajNZb0RsRkk/view?usp=sharing

And again...
https://drive.google.com/file/d/0B9NEiDRycakXU2NCX3JhSlRrY0k/view?usp=sharing

All of the above links include the rpt and all of the crashdumps.

More crashes:
https://drive.google.com/file/d/0B9NEiDRycakXZXY1RkxkLUNoZE0/view?usp=sharing

https://drive.google.com/file/d/0B9NEiDRycakXckxVM0FrekgzSWM/view?usp=sharing

Bump
https://drive.google.com/file/d/0B9NEiDRycakXSkUyb3VTZWhfZTg/view?usp=sharing

I've tried the performance binary.

Bump...
Another crash:
https://drive.google.com/file/d/0B9NEiDRycakXOHhzTGtVMDREcHM/view?usp=sharing

Another crash:
https://drive.google.com/file/d/0B9NEiDRycakXdHkwa0RQeUFIMDQ/view?usp=sharing

By the way, the server works fine on legacy build 1.52

https://drive.google.com/file/d/0B9NEiDRycakXWXJ1TjQ0cFROLTA/view?usp=sharing