current thread: t@3083777712
  [1] 0xffffe410(0xb7edb458, 0x0, 0xb7d6fe56, 0xb7eb9a1b, 0xbf84c3a0, 0x0), at 0xffffe410 
  [2] __gettimeofday(0x8051530, 0x2, 0x0, 0xb7edb458, 0xb7eb9e69), at 0xb7d6fe56 
  [3] opal_event_loop(0x2, 0xb7c271a8, 0x1a9b860, 0x0, 0x1a9dd78, 0x0), at 0xb7eb9e89 
  [4] opal_progress(0x820d080, 0x8049c00, 0x1, 0xbf84c4c8, 0xb7fd1408, 0xb7fd1408), at 0xb7eb4606 
  [5] mca_pml_ob1_recv(0xbf84c4c8, 0x1, 0x8049c00, 0x1, 0x1, 0x8049d40), at 0xb7c1ce56 
  [6] PMPI_Recv(0xbf84c4c8, 0x1, 0x8049c00, 0x1, 0x1, 0x8049d40), at 0xb7fa8473 
  [7] main(0xb7feece0, 0x8048950, 0xbf84c558, 0xb7d02050, 0x1, 0xbf84c584), at 0x80488f3