<div dir="ltr">I am running on a new AMPERE80 node at NERSc and get this error message. I put this in totalview but did not get anything useful.<div><br></div><div>Any ideas?<br><div><br></div><div>cgpu19:228520:0:228520] Caught signal 4 (Illegal instruction: illegal operand)<br>==== backtrace (tid: 228520) ====<br> 0  /usr/common/software/sles15_cgpu/ucx/1.8.1/lib/libucs.so.0(ucs_handle_error+0x2e4) [0x2aab2e9a2ac4]<br> 1  /usr/common/software/sles15_cgpu/ucx/1.8.1/lib/libucs.so.0(+0x21cc4) [0x2aab2e9a2cc4]<br> 2  /usr/common/software/sles15_cgpu/ucx/1.8.1/lib/libucs.so.0(+0x21d33) [0x2aab2e9a2d33]<br> 3  /global/homes/m/madams/petsc/arch-cori-gpu80-opt-kokkos-gcc/lib/libpetsc.so.3.015(PetscSetDisplay+0x152) [0x2aaaaaf19ab1]<br> 4  /global/homes/m/madams/petsc/arch-cori-gpu80-opt-kokkos-gcc/lib/libpetsc.so.3.015(+0x21c7bc) [0x2aaaaaeef7bc]<br> 5  /global/homes/m/madams/petsc/arch-cori-gpu80-opt-kokkos-gcc/lib/libpetsc.so.3.015(<b>PetscInitialize</b>+0x449) [0x2aaaaaef5278]<br> 6  /global/u2/m/madams/petsc/src/ts/utils/dmplexlandau/tutorials/./ex2() [0x405b62]<br> 7  /lib64/libc.so.6(__libc_start_main+0xea) [0x2aab1344df8a]<br> 8  /global/u2/m/madams/petsc/src/ts/utils/dmplexlandau/tutorials/./ex2() [0x4026aa]<br>=================================<br>srun: error: cgpu19: task 0: Illegal instruction<br>srun: Terminating job step 1821681.10<br></div></div></div>