Public bug reported: ---Problem Description--- tm_trap_test failed on P8 compat mode [16.04.04 daily build as well bionic ] guests on a P9 host running bionic final beta version. Contact Information = srikanth/bssrika...@in.ibm.com ---uname output---
16.04.04 Guest running in P8compat mode: Linux guest 4.15.0-15-generic #16~16.04.1-Ubuntu SMP Thu Apr 5 12:18:22 UTC 2018 ppc64le ppc64le ppc64le GNU/Linux 18.04 guest running in P8compat mode: Linux ubuntu 4.15.0-15-generic #16-Ubuntu SMP Wed Apr 4 13:57:51 UTC 2018 ppc64le ppc64le ppc64le GNU/Linux Machine Type = boston-LC ---Debugger--- A debugger is not configured ---Steps to Reproduce--- 1. Log into P9 Ubuntu 18.04 host, take console of guest `srikanth_ubuntu160404` 2. Run TM selftests git clone --depth 1 https://github.com/torvalds/linux.git;cd linux/tools/testing/selftests/powerpc/;git log --oneline -1;make;make -C tm run_tests We will observe one of the tm tests failing, mentioned below: selftests: tm-trap ======================================== test: tm_trap_test tags: git_version:c18bb39 Little-Endian machine detected. Checking if endianness flips inadvertently on trap in TM... yes! failure: tm_trap_test not ok 1..11 selftests: tm-trap [FAIL] Expected result: All tm selftests should have been pass on the P8 compat guest.. giventhat we had TM workaround patches in latest Ubuntu BIONIC host kernel Stack trace output: no Oops output: no System Dump Info: The system is not configured to capture a system dump. *Additional Instructions for srikanth/bssrika...@in.ibm.com: -Attach sysctl -a output output to the bug. == Comment: #2 - SRIKANTH AITHAL <bssrika...@in.ibm.com> - 2018-04-10 01:32:00 == == Comment: #3 - SRIKANTH AITHAL <bssrika...@in.ibm.com> - 2018-04-10 01:33:41 == == Comment: #4 - SRIKANTH AITHAL <bssrika...@in.ibm.com> - 2018-04-10 01:34:02 == Please pick `1c200e63d055 ("powerpc/tm: Fix endianness flip on trap")` ie. the commit that the test was written for ** Affects: ubuntu-power-systems Importance: Critical Assignee: Canonical Kernel Team (canonical-kernel-team) Status: New ** Affects: linux (Ubuntu) Importance: Undecided Assignee: Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage) Status: New ** Tags: architecture-ppc64le bugnameltc-166570 severity-critical targetmilestone-inin--- triage-g ** Tags added: architecture-ppc64le bugnameltc-166570 severity-critical targetmilestone-inin--- -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1762928 Title: [LTC Test] Ubuntu 18.04: tm_trap_test failed on P8 compat mode guest To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-power-systems/+bug/1762928/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
