Comment 0 for bug 1677126

Test failed with "Kernel tracer not available"

root@michael:/home/ubuntu/autotest-client-tests/ubuntu_lttng_smoke_test# ./ubuntu_lttng_smoke_test.sh
== lttng smoke test of session create/destroy ==
Session test-kernel-session created.
Traces will be written in /tmp/lttng-kernel-trace-12675-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-12675-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-12675-session
PASSED (lttng create)
Error: Event sched_switch: Kernel tracer not available (channel channel0, session test-kernel-session)
FAILED (lttng enable-event)
Session test-kernel-session destroyed

Summary: 4 passed, 4 failed

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.10.0-14-generic 4.10.0-14.16~16.04.1
ProcVersionSignature: Ubuntu 4.10.0-14.16~16.04.1-generic 4.10.3
Uname: Linux 4.10.0-14-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.5
Architecture: amd64
Date: Wed Mar 29 06:08:00 2017
SourcePackage: linux-hwe-edge
UpgradeStatus: No upgrade log present (probably fresh install)