** Also affects: lttng-modules (Ubuntu Artful)
   Importance: Undecided
       Status: New

** Also affects: lttng-modules (Ubuntu Xenial)
   Importance: Undecided
       Status: New

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  lttng-modules-dkms failed to build with 4.14 Azure edge kernel on

Status in lttng-modules:
Status in lttng-modules package in Ubuntu:
Status in lttng-modules source package in Xenial:
Status in lttng-modules source package in Artful:

Bug description:
  SRU request, Xenial, Artful


  lttng dkms modules fail to build against newer HWE kernels because of
  missing 4.14 compat fixes that allow it to build against newer 4.14

  Upstream lttng 4.14 compat fixes.

  Without the fix, running the kernel team autotest lttng regression test suite 
fails because the module does not build and install.  With the fix the lttng 
smoke tests pass.

  To run the test:
  sudo autotest/client/autotest-local 

  using git://kernel.ubuntu.com/ubuntu/autotest and

  [Regression Potential]
  lttng fails to build and work against older kernels. As the new code is 
#if'def'd compat code the 4.14 specific changes are not built into the older 
kernels, so this risk is small.


  [stdout] Setting up lttng-modules-dkms (2.8.0-1ubuntu1~16.04.3) ...
   [stdout] Loading new lttng-modules-2.8.0 DKMS files...
   [stdout] First Installation: checking all kernels...
   [stdout] Building only for 4.14.0-1002-azure-edge
   [stdout] Building initial module for 4.14.0-1002-azure-edge
   [stdout] Error! Bad return status for module build on kernel: 
4.14.0-1002-azure-edge (x86_64)
   [stdout] Consult /var/lib/dkms/lttng-modules/2.8.0/build/make.log for more 

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