The problem is caused by a recent change to gnome-settings-daemon (the
application of debian/patches/00git_dont_restore_brightness.patch); I'm
working on a fix.
I also note that the bug only occurs if the system is plugged in to A/C
power at the moment gnome-settings-daemon first detects that the system
is idle. When on battery power, the problematic patch does not come
into effect, and the backlight works as it should. (Simply unplugging
the A/C power after the problem occurs does not help, so this isn't
really a useful workaround).
** Package changed: linux (Ubuntu) => gnome-settings-daemon (Ubuntu)
** Changed in: gnome-settings-daemon (Ubuntu)
Assignee: (unassigned) => Kamal Mostafa (kamalmostafa)
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https://bugs.launchpad.net/bugs/872652
Title:
screensaver backlight stuck off, system looks hung
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