Hrm, tried this on an s390x VM: $ uname -a Linux ckingvm2 4.4.0-101-generic #124-Ubuntu SMP Fri Nov 10 18:29:39 UTC 2017 s390x s390x s390x GNU/Linux
dpkg -l | grep lttng ii liblttng-ctl0:s390x 2.7.1-2ubuntu1 s390x LTTng control and utility library ii liblttng-ust-ctl2:s390x 2.7.1-1 s390x LTTng 2.0 Userspace Tracer (trace control library) ii liblttng-ust-dev:s390x 2.7.1-1 s390x LTTng 2.0 Userspace Tracer (development files) ii liblttng-ust-python-agent0:s390x 2.7.1-1 s390x LTTng 2.0 Userspace Tracer (Python agent native library) ii liblttng-ust0:s390x 2.7.1-1 s390x LTTng 2.0 Userspace Tracer (tracing libraries) ii lttng-modules-dkms 2.8.0-1ubuntu1~16.04.3 all Linux Trace Toolkit (LTTng) kernel modules (DKMS) ii lttng-tools 2.7.1-2ubuntu1 s390x LTTng control and utility programs ubuntu@ckingvm2:~$ sudo autotest/client/autotest-local autotest/client/tests/ubuntu_lttng_smoke_test/control 11:29:35 INFO | Writing results to /home/ubuntu/autotest/client/results/default 11:29:35 INFO | START ---- ---- timestamp=1510918175 localtime=Nov 17 11:29:35 11:29:35 INFO | START ubuntu_lttng_smoke_test.lttng-smoke-test ubuntu_lttng_smoke_test.lttng-smoke-test timestamp=1510918175 localtime=Nov 17 11:29:35 11:29:40 ERROR| [stderr] [warning] Tracer discarded 1340 events between [11:29:38.065061128] and [11:29:38.150240071] in trace UUID 6614a11b486b459bce703191741816, at path: "/tmp/lttng-kernel-trace-1494-session/kernel", within stream id 0, at relative path: "channel0_0". You should consider recording a new trace with larger buffers or with fewer events enabled. 11:29:40 INFO | == lttng smoke test of session create/destroy == 11:29:40 INFO | Session test-kernel-session created. 11:29:40 INFO | Traces will be written in /tmp/lttng-kernel-trace-1494-session 11:29:40 INFO | PASSED (lttng create) 11:29:40 INFO | Session test-kernel-session destroyed 11:29:40 INFO | PASSED (lttng destroy) 11:29:40 INFO | 11:29:40 INFO | == lttng smoke test list kernel events == 11:29:40 INFO | PASSED (lttng list --kernel) 11:29:40 INFO | 11:29:40 INFO | lttng smoke test trace open/close system calls SKIPPED for s390x 11:29:40 INFO | 11:29:40 INFO | == lttng smoke test trace context switches == 11:29:40 INFO | Session test-kernel-session created. 11:29:40 INFO | Traces will be written in /tmp/lttng-kernel-trace-1494-session 11:29:40 INFO | PASSED (lttng create) 11:29:40 INFO | Kernel event sched_switch created in channel channel0 11:29:40 INFO | PASSED (lttng enable-event) 11:29:40 INFO | Tracing started for session test-kernel-session 11:29:40 INFO | PASSED (lttng start) 11:29:40 INFO | Waiting for data availability. 11:29:40 INFO | Tracing stopped for session test-kernel-session 11:29:40 INFO | PASSED (lttng stop) 11:29:40 INFO | Session test-kernel-session destroyed 11:29:40 INFO | PASSED (lttng destroy) 11:29:40 INFO | Found 19932 dd and 44645 context switches 11:29:40 INFO | PASSED (simple system call tracing with babeltrace) 11:29:40 INFO | 11:29:40 INFO | Summary: 8 passed, 0 failed 11:29:40 INFO | GOOD ubuntu_lttng_smoke_test.lttng-smoke-test ubuntu_lttng_smoke_test.lttng-smoke-test timestamp=1510918180 localtime=Nov 17 11:29:40 completed successfully 11:29:40 INFO | END GOOD ubuntu_lttng_smoke_test.lttng-smoke-test ubuntu_lttng_smoke_test.lttng-smoke-test timestamp=1510918180 localtime=Nov 17 11:29:40 11:29:40 INFO | END GOOD ---- ---- timestamp=1510918180 localtime=Nov 17 11:29:40 11:29:40 INFO | Report successfully generated at /home/ubuntu/autotest/client/results/default/job_report.html I just can't seem reproduce this issue. -- 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/1732651 Title: lttng-smoke-test failed on Xenial s390x Status in linux package in Ubuntu: Incomplete Bug description: With lttng-module-dkms version 2.8.0-1ubuntu1~16.04.3, this test will failed on s390x instances. == lttng smoke test of session create/destroy == Spawning a session daemon Session test-kernel-session created. Traces will be written in /tmp/lttng-kernel-trace-113358-session PASSED (lttng create) Session test-kernel-session destroyed PASSED (lttng destroy) == lttng smoke test list kernel events == FAILED (lttng list --kernel) FAILED (lttng list --kernel more output expected) lttng smoke test trace open/close system calls SKIPPED for s390x == lttng smoke test trace context switches == Session test-kernel-session created. Traces will be written in /tmp/lttng-kernel-trace-113358-session PASSED (lttng create) FAILED (lttng enable-event) Session test-kernel-session destroyed Summary: 3 passed, 3 failed stderr: Error: Unable to list kernel events: Kernel tracer not available Error: Command error Error: Event sched_switch: Kernel tracer not available (channel channel0, session test-kernel-session) ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.4.0-101-generic 4.4.0-101.124 ProcVersionSignature: Ubuntu 4.4.0-101.124-generic 4.4.95 Uname: Linux 4.4.0-101-generic s390x NonfreeKernelModules: zfs zunicode zcommon znvpair zavl 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' ApportVersion: 2.20.1-0ubuntu2.12 Architecture: s390x ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord' CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found. CurrentDmesg: [ 1758.314033] docker0: port 1(veth38d28b9) entered disabled state [ 1758.314450] device veth38d28b9 left promiscuous mode [ 1758.314452] docker0: port 1(veth38d28b9) entered disabled state Date: Thu Nov 16 04:21:00 2017 HibernationDevice: RESUME=UUID=f578fa27-1d57-41c9-bb1d-7ff64c1c9345 IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig' Lsusb: Error: command ['lsusb'] failed with exit code 1: PciMultimedia: ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: Error: [Errno 2] No such file or directory: '/proc/fb' ProcKernelCmdLine: root=UUID=f26894a2-496d-4891-aa9a-f66344c77779 crashkernel=196M BOOT_IMAGE=0 RelatedPackageVersions: linux-restricted-modules-4.4.0-101-generic N/A linux-backports-modules-4.4.0-101-generic N/A linux-firmware 1.157.13 RfKill: Error: [Errno 2] No such file or directory: 'rfkill' SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1732651/+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
