I can't reproduce it here on my ppc64 machine: built git version of strace on kernel 4.11 :
mator@redpanda:~/strace$ uname -a Linux redpanda 4.11.0-2-powerpc64 #1 SMP Debian 4.11.11-1 (2017-07-17) ppc64 GNU/Linux and run a testsuite: PASS: qual_fault.test ============================================================================ Testsuite summary for strace 4.18.0.167.15cc ============================================================================ # TOTAL: 454 # PASS: 407 # SKIP: 47 # XFAIL: 0 # FAIL: 0 # XPASS: 0 # ERROR: 0 then rebooted to 4.9 kernel: mator@redpanda:~/strace$ uname -a Linux redpanda 4.9.0-3-powerpc64 #1 SMP Debian 4.9.30-2 (2017-06-12) ppc64 GNU/Linux and run testsuite again: ============================================================================ Testsuite summary for strace 4.18.0.167.15cc ============================================================================ # TOTAL: 454 # PASS: 405 # SKIP: 48 # XFAIL: 0 # FAIL: 1 # XPASS: 0 # ERROR: 0 the only test failed is FAIL: attach-p-cmd.test and not kexec tests: PASS: kexec_file_load.gen.test PASS: kexec_load.gen.test