** Also affects: ubuntu-kernel-tests
Importance: Undecided
Status: New
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Matching subscriptions: Ubuntu 16.04 Bugs
https://bugs.launchpad.net/bugs/1739591
Title:
lttng-modules-dkms failed to build with 4.14 Azure edge kernel on
Xenial
Status in lttng-modules:
New
Status in ubuntu-kernel-tests:
New
Status in lttng-modules package in Ubuntu:
Fix Released
Status in lttng-modules source package in Xenial:
Fix Released
Status in lttng-modules source package in Artful:
Fix Released
Bug description:
SRU request, Xenial, Artful
[Impact]
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
kernels.
[Fix]
Upstream lttng 4.14 compat fixes.
[Testcase]
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
autotest/client/tests/ubuntu_lttng_smoke_test/control
using git://kernel.ubuntu.com/ubuntu/autotest and
git://kernel.ubuntu.com/ubuntu/autotest-client-tests
[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
information.
To manage notifications about this bug go to:
https://bugs.launchpad.net/lttng-modules/+bug/1739591/+subscriptions
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