<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hello Eh,<div><br></div><div>This is a run on 8 processors. <span class="Apple-style-span" style="font-family: monospace; ">If I print the stack I get:</span></div><div><font class="Apple-style-span" face="monospace"><br></font></div><div><span class="Apple-style-span" style="font-family: monospace; ">(gdb) bt<br>#0 0x00002b943e3c208a in opal_progress () from<br>/share/apps/openmpisb-1.3/gcc-4.4/lib/libopen-pal.so.0<br>#1 0x00002b943def5c85 in ompi_request_default_wait_all () from<br>/share/apps/openmpisb-1.3/gcc-4.4/lib/libmpi.so.0<br>#2 0x00002b943df229d3 in PMPI_Waitall () from<br>/share/apps/openmpisb-1.3/gcc-4.4/lib/libmpi.so.0<br>#3 0x0000000000427ef5 in exchange_id_d20 ()<br>#4 0x00000000004166f3 in gauss_seidel ()<br>#5 0x000000000041884b in multi_grid ()<br>#6 0x0000000000418c44 in solve_del2_u ()<br>#7 0x000000000041b151 in solve_Ahat_p_fhat ()<br>#8 0x000000000041b9a1 in solve_constrained_flow_iterative ()<br>#9 0x0000000000411ca6 in general_stokes_solver ()<br>#10 0x0000000000409c21 in main ()<br></span><div><div><br></div><div>I've attached the version of Parallel_related.c that is used... I have not modified this in anyway</div><div>from the CIG release of CitcomCU.</div><div><br></div><div></div></div></div></body></html>