problems with network processing

[Eugene Denisov]

Hello, all.

Can't any help me to localize the probem I got with RTEMS?
I develop client-server application where RTEMS run server process and Java
client communicates with server via socket connection. After some time of
success processing the server under RTEMS blocks network socket. On RTEMS
console I see  the repeating messages:

Still waiting for mbuf cluster.
Still waiting for mbuf cluster.
Still waiting for mbuf cluster.
Still waiting for mbuf cluster.
...