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 1727251 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/1727251 Title: ubuntu_lttng_smoke_test failed on A-hwe kernel Status in linux package in Ubuntu: Incomplete Bug description: Kernel 4.13.0-16.19~16.04.3 4 tests failed for the ubuntu_lttng_smoke_test with amd64 / arm64 / i386 / ppc64le systems: == lttng smoke test of session create/destroy == Session test-kernel-session created. Traces will be written in /tmp/lttng-kernel-trace-21869-session PASSED (lttng create) Session test-kernel-session destroyed PASSED (lttng destroy) == lttng smoke test list kernel events == Error: Unable to list kernel events: Kernel tracer not available Error: Command error FAILED (lttng list --kernel) FAILED (lttng list --kernel more output expected) == lttng smoke test trace open/close system calls == Session test-kernel-session created. Traces will be written in /tmp/lttng-kernel-trace-21869-session PASSED (lttng create) Error: Event open: Kernel tracer not available (channel channel0, session test-kernel-session) Error: Event openat: Kernel tracer not available (channel channel0, session test-kernel-session) Error: Event close: Kernel tracer not available (channel channel0, session test-kernel-session) FAILED (lttng enable-event) Session test-kernel-session destroyed == lttng smoke test trace context switches == Session test-kernel-session created. Traces will be written in /tmp/lttng-kernel-trace-21869-session PASSED (lttng create) Error: Event sched_switch: Kernel tracer not available (channel channel0, session test-kernel-session) FAILED (lttng enable-event) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1727251/+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