Hi all,I am running cesm1.2.2 with an F compset. The model stopped after integrating two years and eight months. Parts of cesm log file are shown below. forrtl: severe (174): SIGSEGV, segmentation fault occurredImage PC Routine Line Source cesm.exe 00000000015F2D64 Unknown Unknown Unknownlibpthread-2.17.s 00002B82FFE035E0 Unknown Unknown Unknowncesm.exe 000000000130A7E5 shr_reprosum_mod_ 975 shr_reprosum_mod.F90cesm.exe 0000000001309238 shr_reprosum_mod_ 659 shr_reprosum_mod.F90cesm.exe 000000000055B77B polar_avg_mp_pola 183 polar_avg.F90cesm.exe 0000000000611DC7 tracer_data_mp_re 1543 tracer_data.F90cesm.exe 0000000000619B47 tracer_data_mp_re 1230 tracer_data.F90cesm.exe 000000000061E811 tracer_data_mp_ad 653 tracer_data.F90cesm.exe 000000000055D5DE prescribed_aero_m 399 prescribed_aero.F90cesm.exe 000000000053E794 physpkg_mp_phys_r 909 physpkg.F90cesm.exe 000000000048E169 cam_comp_mp_cam_r 260 cam_comp.F90cesm.exe 000000000047F81A atm_comp_mct_mp_a 561 atm_comp_mct.F90cesm.exe 000000000040C1F0 ccsm_comp_mod_mp_ 4079 ccsm_comp_mod.F90cesm.exe 00000000004286E8 MAIN__ 91 ccsm_driver.F90cesm.exe 000000000040645E Unknown Unknown Unknownlibc-2.17.so 00002B8300031C05 __libc_start_main Unknown Unknowncesm.exe 0000000000406369 Unknown Unknown UnknownI have already set stacksize unlimitted in the case.run file. Is there any other reasons for this problem? Thanks,Jian