/usr/src/linux-source-3.13.0/debian/commit-templates/missing-modules is in linux-source-3.13.0 3.13.0-109.156.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | UBUNTU: build/modules: Add modules that have intentionally gone missing
Ignore: yes
|