This bug was fixed in the package lttng-modules - 2.9.0-1ubuntu3.1
--------------- lttng-modules (2.9.0-1ubuntu3.1) artful; urgency=medium
* Fix builds for 4.14 kernel (LP: #1739591) - [7ceeb15] Fix: update writeback instrumentation for kernel 4.14 - [1f1ec4e] Fix: update btrfs instrumentation for kernel 4.14 - [da3122a] Fix: version check error in btrfs instrumentation - [7feabe5] Fix: update block instrumentation for 4.14 kernel - [467f3a4] Fix: lttng-logger get_user_pages_fast error handling - [1d822c6] Update: kvm instrumentation for 4.14.14+, 4.9.77+, 4.4.112+ - [bda29b7] Update kvm instrumentation for debian kernel 4.9.65-3 - [5ccd696] Update: kvm instrumentation for 3.16.52 and 3.2.97 - [d9f561b] Fix: kvm instrumentation for 4.15 - [3363052] Update kvm instrumentation for 4.15
-- Colin Ian King <email address hidden> Tue, 6 Feb 2018 16:02:03 +0000
This bug was fixed in the package lttng-modules - 2.9.0-1ubuntu3.1
---------------
lttng-modules (2.9.0-1ubuntu3.1) artful; urgency=medium
* Fix builds for 4.14 kernel (LP: #1739591)
- [7ceeb15] Fix: update writeback instrumentation for kernel 4.14
- [1f1ec4e] Fix: update btrfs instrumentation for kernel 4.14
- [da3122a] Fix: version check error in btrfs instrumentation
- [7feabe5] Fix: update block instrumentation for 4.14 kernel
- [467f3a4] Fix: lttng-logger get_user_pages_fast error handling
- [1d822c6] Update: kvm instrumentation for 4.14.14+, 4.9.77+, 4.4.112+
- [bda29b7] Update kvm instrumentation for debian kernel 4.9.65-3
- [5ccd696] Update: kvm instrumentation for 3.16.52 and 3.2.97
- [d9f561b] Fix: kvm instrumentation for 4.15
- [3363052] Update kvm instrumentation for 4.15
-- Colin Ian King <email address hidden> Tue, 6 Feb 2018 16:02:03 +0000