https://launchpadlibrarian.net/325600945/lttng-
modules_2.9.0-1ubuntu1_2.9.0-1ubuntu2.diff.gz

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https://bugs.launchpad.net/bugs/1699755

Title:
  ubuntu_lttng_smoke_test failed on Artful: Kernel tracer not available

Status in linux package in Ubuntu:
  In Progress

Bug description:
  Similar to bug 1677126, ubuntu_lttng_smoke_test failed on Artful too.

   == 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-2107-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-2107-session
   PASSED (lttng create)
   Error: Event sched_switch: Kernel tracer not available (channel channel0, 
session test-kernel-session)
   FAILED (lttng enable-event)

  
  Complete test result: http://pastebin.ubuntu.com/24924042/

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