This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 1809439 and then change the status of the bug to 'Confirmed'. If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'. This change has been made by an automated script, maintained by the Ubuntu Kernel Team. ** Changed in: linux (Ubuntu) Status: New => Incomplete -- 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/1809439 Title: cpu_hot_plug test in ubuntu_kernel_selftest failed on B s390x KVM Status in ubuntu-kernel-tests: New Status in linux package in Ubuntu: Incomplete Bug description: $ sudo make -C linux/tools/testing/selftests TARGETS=cpu-hotplug run_tests make: Entering directory '/home/ubuntu/src/linux/tools/testing/selftests' make[1]: Entering directory '/home/ubuntu/src/linux/tools/testing/selftests/cpu-hotplug' make[1]: Nothing to be done for 'all'. make[1]: Leaving directory '/home/ubuntu/src/linux/tools/testing/selftests/cpu-hotplug' make[1]: Entering directory '/home/ubuntu/src/linux/tools/testing/selftests/cpu-hotplug' TAP version 13 selftests: cpu-on-off-test.sh ======================================== pid 18238's current affinity mask: 3 pid 18238's new affinity mask: 1 CPU online/offline summary: Cpus in online state: 0-1 Cpus in offline state: 2 Limited scope test: one hotplug cpu (leaves cpu in the original state): online to offline to online: cpu 1 offline to online to offline: cpu 2 ./cpu-on-off-test.sh: line 85: /sys/devices/system/cpu/cpu2/online: No such file or directory online_cpu_expect_success 2: unexpected fail not ok 1..1 selftests: cpu-on-off-test.sh [FAIL] make[1]: Leaving directory '/home/ubuntu/src/linux/tools/testing/selftests/cpu-hotplug' make: Leaving directory '/home/ubuntu/src/linux/tools/testing/selftests' ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: linux-image-4.15.0-43-generic 4.15.0-43.46 ProcVersionSignature: Ubuntu 4.15.0-43.46-generic 4.15.18 Uname: Linux 4.15.0-43-generic s390x NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair AlsaDevices: Error: command ['ls', '-l', '/dev/snd/'] failed with exit code 2: ls: cannot access '/dev/snd/': No such file or directory AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay' ApportVersion: 2.20.9-0ubuntu7.5 Architecture: s390x ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord': 'arecord' CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found. CurrentDmesg: Date: Fri Dec 21 10:38:05 2018 HibernationDevice: RESUME=UUID=caaee9b2-6bc1-4c8e-b26c-69038c092091 IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig' Lspci: Lsusb: Error: command ['lsusb'] failed with exit code 1: PciMultimedia: ProcFB: Error: [Errno 2] No such file or directory: '/proc/fb' ProcKernelCmdLine: root=UUID=c7d7bbcb-a039-4ead-abfe-7672dea0add4 crashkernel=196M RelatedPackageVersions: linux-restricted-modules-4.15.0-43-generic N/A linux-backports-modules-4.15.0-43-generic N/A linux-firmware 1.173.2 RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill' SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/1809439/+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