LDB problem

LDB: LOAD: AVG 4.34903 MAX 4.4356 MSGS: TOTAL 643 MAXC 13 MAXP 8 Refine

(http://www.ks.uiuc.edu/Research/namd/mailing_list/namd-l/2669.html)

Those LDB messages are part of every parallel run and are quite normal.
It's just reporting how the load balancer is doing. In this case, your
maximum load is only slightly more than your average load, and there are
171 total messages being sent between processors, which looks pretty good.

The older message from Brain Bennion was a hang during load balancing,
probably due to a compiler bug (a workaround is in 2.6b1).