Comment 75 for bug 173652

On Thu, Aug 28, 2008 at 7:34 PM, Leann Ogasawara <email address hidden> wrote:

> The Ubuntu Kernel Team is planning to move to the 2.6.27 kernel for the
> upcoming Intrepid Ibex 8.10 release. As a result, the kernel team would
> appreciate it if you could please test this newer 2.6.27 Ubuntu kernel.
> There are one of two ways you should be able to test:
>
> 1) If you are comfortable installing packages on your own, the linux-
> image-2.6.27-* package is currently available for you to install and
> test.
>
> --or--
>
> 2) The upcoming Alpha5 for Intrepid Ibex 8.10 will contain this newer
> 2.6.27 Ubuntu kernel. Alpha5 is set to be released Thursday Sept 4.
> Please watch http://www.ubuntu.com/testing for Alpha5 to be announced.
> You should then be able to test via a LiveCD.
>
> Please let us know immediately if this newer 2.6.27 kernel resolves the
> bug reported here or if the issue remains. More importantly, please
> open a new bug report for each new bug/regression introduced by the
> 2.6.27 kernel and tag the bug report with 'linux-2.6.27'. Also, please
> specifically note if the issue does or does not appear in the 2.6.26
> kernel. Thanks again, we really appreicate your help and feedback.
>

The bug probably comes from the nVidia driver. Why would a kernel update
change anything ?
Take a look at nVidia unofficial forums [1], it has been reported a few
times. The current Linux nVidia driver just don't deal correctly with screen
brightness. It's especially a problem with GeForce 8.

[1] http://www.nvnews.net/vbulletin/showthread.php?t=100494
--
Warren Seine