I have updated my Ubuntu Oneiric 11.10 kernel PPA with another new
experimental patch by Keith Packard[0]. This new patch may resolve the
"inverted brightness" and/or the "jumps with successive changes"
behavior that has been reported on some systems:
https://launchpad.net/~kamalmostafa/+archive/stuck-backlight
The kernels containing the new patch are tagged "~fix~stuck~backlight4"
(use 'uname -a' to check); they will become available within the next
day. If you experience any change in your brightness control behavior
after updating to this new version, please post a note here.
[0] http://lists.freedesktop.org/archives/intel-
gfx/2011-November/013519.html
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https://bugs.launchpad.net/bugs/872652
Title:
screensaver backlight stuck off, system looks hung
To manage notifications about this bug go to:
https://bugs.launchpad.net/gnome-settings-daemon/+bug/872652/+subscriptions
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