[dfs@aramis mpich2-1.3b1]$ echo $HYDRA_HOST_FILE
/home/dfs/mpich2-1.3b1/node_list
[dfs@aramis mpich2-1.3b1]$ make testing
(cd test && make testing)
make[1]: Entering directory `/home/dfs/mpich2-1.3b1/test'
(NOXMLCLOSE=YES && export NOXMLCLOSE && cd mpi && make testing)
make[2]: Entering directory `/home/dfs/mpich2-1.3b1/test/mpi'
./runtests -srcdir=. -tests=testlist \
                   -mpiexec=/usr/local/mpich2-1.3b1/bin/mpiexec \
                   -xmlfile=summary.xml
Looking in ./testlist
Processing directory attr
Looking in ./attr/testlist
Unexpected output in attrt: [proxy:0:1@porthos] HYDU_create_process (./utils/launch/launch.c:70): execvp error on file ./attrt (No such file or directory)
make[2]: *** [testing] Interrupt
make[1]: *** [testing] Interrupt
make: *** [testing] Interrupt