Comment 17 for bug 1762928

------- Comment From <email address hidden> 2018-05-08 04:22 EDT-------
(In reply to comment #31)
> ppc64el versions of the Xenial test kernel are now available here:
>
> http://kernel.ubuntu.com/~jsalisbury/lp1762928/xenial
>
> Xenial required the following two prereq commits:
> d96f234f47af ("powerpc: Avoid load hit store in setup_sigcontext()")
> d11994314b2b ("powerpc: signals: Stop using current in signal code")

Test results:

selftests: tm-resched-dscr
========================================
test: tm_resched_dscr
tags: git_version:f142f08
Binding to cpu 8
main test running as pid 4949
Check DSCR TM context switch: OK
success: tm_resched_dscr
ok 1..1 selftests: tm-resched-dscr [PASS]
selftests: tm-syscall
========================================
test: tm_syscall
tags: git_version:f142f08
Testing transactional syscalls for 10 seconds...
5799695 active and suspended transactions behaved correctly.
(There were 1666 transaction retries.)
success: tm_syscall
ok 1..2 selftests: tm-syscall [PASS]
selftests: tm-signal-msr-resv
========================================
test: tm_signal_msr_resv
tags: git_version:f142f08
success: tm_signal_msr_resv
ok 1..3 selftests: tm-signal-msr-resv [PASS]
selftests: tm-signal-stack
========================================
test: tm_signal_stack
tags: git_version:f142f08
success: tm_signal_stack
ok 1..4 selftests: tm-signal-stack [PASS]
selftests: tm-vmxcopy
========================================
test: tm_vmxcopy
tags: git_version:f142f08
success: tm_vmxcopy
ok 1..5 selftests: tm-vmxcopy [PASS]
selftests: tm-fork
========================================
test: tm_fork
tags: git_version:f142f08
success: tm_fork
ok 1..6 selftests: tm-fork [PASS]
selftests: tm-tar
========================================
Starting, 10000 loops
test: tm_tar
tags: git_version:f142f08
success: tm_tar
ok 1..7 selftests: tm-tar [PASS]
selftests: tm-tmspr
========================================
test: tm_tmspr
tags: git_version:f142f08
success: tm_tmspr
ok 1..8 selftests: tm-tmspr [PASS]
selftests: tm-vmx-unavail
========================================
test: tm_vmx_unavail_test
tags: git_version:f142f08
success: tm_vmx_unavail_test
ok 1..9 selftests: tm-vmx-unavail [PASS]
selftests: tm-unavailable
========================================
test: tm_unavailable_test
tags: git_version:f142f08
Checking if FP/VEC registers are sane after a FP unavailable exception...
If MSR.FP=0 MSR.VEC=0: FP ok VEC ok
If MSR.FP=1 MSR.VEC=0: FP ok VEC ok
If MSR.FP=0 MSR.VEC=1: FP ok VEC ok
If MSR.FP=1 MSR.VEC=1: FP ok VEC ok
Checking if FP/VEC registers are sane after a VEC unavailable exception...
If MSR.FP=0 MSR.VEC=0: FP ok VEC ok
If MSR.FP=1 MSR.VEC=0: FP ok VEC ok
If MSR.FP=0 MSR.VEC=1: FP ok VEC ok
If MSR.FP=1 MSR.VEC=1: FP ok VEC ok
Checking if FP/VEC registers are sane after a VSX unavailable exception...
If MSR.FP=0 MSR.VEC=0: FP ok VEC ok
If MSR.FP=1 MSR.VEC=0: FP ok VEC ok
If MSR.FP=0 MSR.VEC=1: FP ok VEC ok
If MSR.FP=1 MSR.VEC=1: FP ok VEC ok
result: success
success: tm_unavailable_test
ok 1..10 selftests: tm-unavailable [PASS]
selftests: tm-trap
========================================
test: tm_trap_test
tags: git_version:f142f08
Little-Endian machine detected. Checking if endianness flips inadvertently on trap in TM... no.
success: tm_trap_test
ok 1..11 selftests: tm-trap [PASS]
selftests: tm-signal-context-chk-gpr
========================================
test: tm_signal_context_chk_gpr
tags: git_version:f142f08
success: tm_signal_context_chk_gpr
ok 1..12 selftests: tm-signal-context-chk-gpr [PASS]
selftests: tm-signal-context-chk-fpu
========================================
test: tm_signal_context_chk_fpu
tags: git_version:f142f08
success: tm_signal_context_chk_fpu
ok 1..13 selftests: tm-signal-context-chk-fpu [PASS]
selftests: tm-signal-context-chk-vmx
========================================
test: tm_signal_context_chk_vmx
tags: git_version:f142f08
success: tm_signal_context_chk_vmx
ok 1..14 selftests: tm-signal-context-chk-vmx [PASS]
selftests: tm-signal-context-chk-vsx
========================================
test: tm_signal_context_chk_vsx
tags: git_version:f142f08
success: tm_signal_context_chk_vsx
ok 1..15 selftests: tm-signal-context-chk-vsx [PASS]
selftests: tm-sigreturn
========================================
test: tm_sigreturn
tags: git_version:f142f08
!! child died by signal 6
failure: tm_sigreturn
not ok 1..16 selftests: tm-sigreturn [FAIL]

we are seeing new failure 'tm_sigreturn' in Xenial .. where as tm_trap is a PASS...