V9.2 does not work on ReadyNAS i386

Hello,
I tried to update LMS to V9.2 from V9.1 on my ReadyNAS Ultra 2+. NAS reports LMS is running but port 9000 is dead and players cannot see the server.
2 different nightly buids tested, same result.

I went back to V9.1 - everything works.

Any idea?