Hi Luc, The following small test program fails on s390: string sial_test_help() { return "Sial test program"; } string sial_test_opt() { return ""; } string sial_test_usage() { return ""; } void do_sial_test() { int offset; offset = (int)(&((struct klist_node*)0)->n_node); printf("offset=%d\n", offset); } int sial_test() { do_sial_test(); return 0; } crash> load sial_test.sial crash> sial_test File sial_test.sial, line 10, Error: Unknown member name [n_node] Michael -- Crash-utility mailing list Crash-utility@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/crash-utility