I also confirm that Alex Davis's kernel patch
https://lkml.org/lkml/2011/10/2/185 fixes the problem (and in a better
way than my gnome-settings-daemon patch). [Dell Studio 1558]
I have published an installable Ubuntu Oneiric kernel PPA with that
patched applied (the build is pending, and won't likely be available
until some time tomorrow):
https://launchpad.net/~kamalmostafa/+archive/stuck-backlight
Feedback to this bug report will be appreciated.
The gnome-settings-ppa noted in comment #15 is no longer recommended.
** Package changed: gnome-settings-daemon (Ubuntu) => linux (Ubuntu)
** Tags removed: patch
** Tags added: backlight
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https://bugs.launchpad.net/bugs/872652
Title:
screensaver backlight stuck off, system looks hung
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