Perhaps using "rtfeedme -host localhost" will help. This will force the transmission of data via TCP/IP rather than shared memory (shm or SHM) -- the first error message I see is related to shared memory usage.

Shared memory is a faster way to transfer large blocks of information between programs that are on the same computer system. It has the drawback that it is sometimes flaky. I spent a great deal of time trying to reduce that problem, but was never able to banish it entirely.

Rick Reynold is now in charge of the realtime part of AFNI (among many other things), and he might have some further insights.