Hi all, I am seeing the following crash when I use the attached input files with today’s source on 5 processors only. The input deck successfully executes on 1, 2, 3, 4, and 16 processors. Any suggestions?

Jeremy

PPPM initialization …

G vector (1/distance)= 0.320324

grid = 5 5 5

stencil order = 5

estimated absolute RMS force accuracy = 0.000257856

estimated relative force accuracy = 1.79071e-05

using double precision FFTs

WARNING: Reducing PPPM order b/c stencil extends beyond neighbor processor (pppm.cpp:238)

G vector (1/distance)= 0.312743

grid = 6 6 6

stencil order = 4

estimated absolute RMS force accuracy = 0.000380268

estimated relative force accuracy = 2.64082e-05

using double precision FFTs

WARNING: Reducing PPPM order b/c stencil extends beyond neighbor processor (pppm.cpp:238)

G vector (1/distance)= 0.29689

grid = 8 8 8

stencil order = 3

estimated absolute RMS force accuracy = 0.000831857

estimated relative force accuracy = 5.77693e-05

using double precision FFTs

WARNING: Reducing PPPM order b/c stencil extends beyond neighbor processor (pppm.cpp:238)

G vector (1/distance)= 0.289979

grid = 24 24 24

stencil order = 2

estimated absolute RMS force accuracy = 0.00115531

estimated relative force accuracy = 8.02318e-05

using double precision FFTs

WARNING: Reducing PPPM order b/c stencil extends beyond neighbor processor (pppm.cpp:238)

G vector (1/distance)= 0.285961

grid = 1440 1440 1440

stencil order = 1

estimated absolute RMS force accuracy = 0.0013935

estimated relative force accuracy = 9.67734e-05

using double precision FFTs

brick FFT buffer size/proc = -1677802081 597196800 -1902130528

in.test (1.68 KB)

water.init (5.62 KB)