Update added 1/1/2012 : Adaptive tempering now stable with CVS-2011-12-12.
Adaptive tempering with May's CVS version dumps core. Updated NAMD-CUDA + UDP-NAMD (but not multicore) to the latest (20th of November) CVS version.
Well, no : it still dumps core upon initialization, but not consistently (occasionally starts without any apparent problem). Not stable yet …