Joseph, Thanks for the fix. We would like to have the fix backported to 16.04 kernels also, since this problem is on those kernel also. Could you please target this bug against artful and xenial also?
Thanks -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1762928 Title: [LTC Test] Ubuntu 18.04: tm_trap_test failed on P8 compat mode guest Status in The Ubuntu-power-systems project: Fix Released Status in linux package in Ubuntu: Fix Released Status in linux source package in Bionic: Fix Released Bug description: ---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 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-power-systems/+bug/1762928/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
