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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>To all,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I am experiencing a SIGSEGV 174 error that I cannot seem to figure it out. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I have been running the lasslab example (in 3D) which has been modified for my purposes. The simulation runs great, and happily dumps restart and plot data files for a long time. However, after some time, FLASH decides to write a restart dump and suddenly crashes due to a SIGSEGV 174 error (placed below). <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I am running:<o:p></o:p></p><p class=MsoNormal>Flash 4.5<o:p></o:p></p><p class=MsoNormal>Intel compliers and mpi (2018)<o:p></o:p></p><p class=MsoNormal>HDF 1.8.13<o:p></o:p></p><p class=MsoNormal>Hypre 2.11.2<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>My cluster runs Centos 7. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The error is as follows:<o:p></o:p></p><p class=MsoNormal>forrtl: severe (174): SIGSEGV, segmentation fault occurred<o:p></o:p></p><p class=MsoNormal>Image PC Routine Line Source <o:p></o:p></p><p class=MsoNormal>flash4debug 0000000000E4EA7D Unknown Unknown Unknown<o:p></o:p></p><p class=MsoNormal>libpthread-2.17.s 00002ACEDECD56D0 Unknown Unknown Unknown<o:p></o:p></p><p class=MsoNormal>libmpifort.so.12. 00002ACEDDB60460 __I_MPI___intel_a Unknown Unknown<o:p></o:p></p><p class=MsoNormal>libmpi.so.12.0 00002ACEDDEFE836 Unknown Unknown Unknown<o:p></o:p></p><p class=MsoNormal>libmpi.so.12 00002ACEDDF08184 ADIOI_GEN_WriteSt Unknown Unknown<o:p></o:p></p><p class=MsoNormal>libmpi.so.12.0 00002ACEDE326ABC Unknown Unknown Unknown<o:p></o:p></p><p class=MsoNormal>libmpi.so.12 00002ACEDE327B35 PMPI_File_write_a Unknown Unknown<o:p></o:p></p><p class=MsoNormal>flash4debug 000000000098661C Unknown Unknown Unknown<o:p></o:p></p><p class=MsoNormal>flash4debug 0000000000981469 Unknown Unknown Unknown<o:p></o:p></p><p class=MsoNormal>flash4debug 000000000096F95A Unknown Unknown Unknown<o:p></o:p></p><p class=MsoNormal>flash4debug 0000000000972536 Unknown Unknown Unknown<o:p></o:p></p><p class=MsoNormal>flash4debug 000000000095036D Unknown Unknown Unknown<o:p></o:p></p><p class=MsoNormal>flash4debug 00000000009509B7 Unknown Unknown Unknown<o:p></o:p></p><p class=MsoNormal>flash4debug 000000000094D295 Unknown Unknown Unknown<o:p></o:p></p><p class=MsoNormal>flash4debug 0000000000706157 Unknown Unknown Unknown<o:p></o:p></p><p class=MsoNormal>flash4debug 00000000007152FD Unknown Unknown Unknown<o:p></o:p></p><p class=MsoNormal>flash4debug 0000000000714B10 io_xfer_mesh_data 362 io_xfer_mesh_data.F90<o:p></o:p></p><p class=MsoNormal>flash4debug 0000000000713FA1 io_writedata_ 341 io_writeData.F90<o:p></o:p></p><p class=MsoNormal>flash4debug 000000000049A5B1 io_writecheckpoin 129 IO_writeCheckpoint.F90<o:p></o:p></p><p class=MsoNormal>flash4debug 000000000049962F io_output_ 267 IO_output.F90<o:p></o:p></p><p class=MsoNormal>flash4debug 0000000000417F6F driver_evolveflas 423 Driver_evolveFlash.F90<o:p></o:p></p><p class=MsoNormal>flash4debug 000000000044D805 MAIN__ 51 Flash.F90<o:p></o:p></p><p class=MsoNormal>flash4debug 0000000000407E9E Unknown Unknown Unknown<o:p></o:p></p><p class=MsoNormal>libc-2.17.so 00002ACEDF5E1445 __libc_start_main Unknown Unknown<o:p></o:p></p><p class=MsoNormal>flash4debug 0000000000407DA9 Unknown Unknown Unknown<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Has anyone seen this type of error before? <o:p></o:p></p><p class=MsoNormal>-Chris <span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>