I can confirm the package in proposed builds properly on 4.15 and 5.0 kernels and successfully installs:
ubuntu@amd64-bionic:~$ sudo dkms status lttng-modules, 2.10.5, 4.15.0-58-generic, x86_64: installed lttng-modules, 2.10.5, 5.0.0-25-generic, x86_64: installed
Adjusting tag.
I can confirm the package in proposed builds properly on 4.15 and 5.0 kernels and successfully installs:
ubuntu@ amd64-bionic: ~$ sudo dkms status
lttng-modules, 2.10.5, 4.15.0-58-generic, x86_64: installed
lttng-modules, 2.10.5, 5.0.0-25-generic, x86_64: installed
Adjusting tag.