[Kernel-packages] [Bug 1320659] Re: [Lenovo ThinkPad Edge E430] "thinkpad unsupported brightness interface" message is showing while booting up

Hi Christopher, Thank your for your information. I posted this bug to improve the Ubuntu os and developers to notify this kind of issue. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/

[Kernel-packages] [Bug 1320659] Re: [Lenovo ThinkPad Edge E430] "thinkpad unsupported brightness interface" message is showing while booting up

Hi Christopher, I am able to adjust my laptop brightness in 12.04 and 14.04 also using the fn key. But the brightness would be maximum even after set to low and restart the system. The "thinkpad unsupported brightness interface" message shows while booting up starts to show after installing the

[Kernel-packages] [Bug 1320659] Re: [Lenovo ThinkPad Edge E430] "thinkpad unsupported brightness interface" message is showing while booting up

Hi Christopher, Thanks for your valuable information. I was totally unaware the things which you have mentioned regarding the bug reporting. As per your information, i have updated my BIOS version to available latest (2.55) sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date

[Kernel-packages] [Bug 1320659] [NEW] "thinkpad unsupported brightness interface" message is showing while booting up

Public bug reported: Recently I have upgraded to my ubuntu to 12.04LTS to 14.04LTS I am using a Thinkapd E430 Machine , Model 3254-T1Q ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.13.0-24-generic 3.13.0-24.47 ProcVersionSignature: Ubuntu 3.13.0-24.47-generic 3.13.9 Uname: