i don't know what's going on, i just run 'ubuntu-bug linux', then the bug message shows up, and then i googled it, i don't get any message

[eclin]

i found i can't control my backlight
then i found this page
https://wiki.ubuntu.com/Kernel/Debugging/Backlight
i followed the steps and typed ubuntu-bug linux in my terminal
then the bug message shows up
i don't know what is this

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-4.4.0-34-generic 4.4.0-34.53~14.04.1
ProcVersionSignature: Ubuntu 4.4.0-34.53~14.04.1-generic 4.4.15
Uname: Linux 4.4.0-34-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.21
Architecture: amd64
CurrentDesktop: Unity
Date: Tue Aug 30 15:09:25 2016
InstallationDate: Installed on 2015-09-04 (360 days ago)
InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
SourcePackage: linux-lts-xenial
UpgradeStatus: No upgrade log present (probably fresh install)