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Binary package hint: gnome-power-manager
[regression from 8.04]
I'm not sure about the root cause of this yet, but starting here.
Pressing the brightness up/down keys on my ThinkPad T61 no longer
changes the brightness of the LCD backlight. This worked fine in 8.04,
and at some point in Intrepid as well.
When I press the brightness-up key, I see two ACPI events:
video LCD0 00000086 00000000
ibm/hotkey HKEY 00000080 0000501
brightness-down is similar:
video LCD0 00000087 00000000
ibm/hotkey HKEY 00000080 0000501
In xev, I see KeyPress and KeyRelease events forXF86MonBrightnessUp and
XF86MonBrightnessDown, respectively.
However, the backlight is not actually changed, and gnome-power-manager
does not display the brightness level OSD (both of which worked in 8.04)
ProblemType: Bug
Architecture: amd64
DistroRelease: Ubuntu 8.10
Package: linux-image-2.6.27-5-generic 2.6.27-5.8 [modified:
lib/modules/2.6.27-5-generic/modules.pcimap
lib/modules/2.6.27-5-generic/modules.dep
lib/modules/2.6.27-5-generic/modules.ieee1394map
lib/modules/2.6.27-5-generic/modules.usbmap
lib/modules/2.6.27-5-generic/modules.isapnpmap
lib/modules/2.6.27-5-generic/modules.inputmap
lib/modules/2.6.27-5-generic/modules.seriomap
lib/modules/2.6.27-5-generic/modules.alias
lib/modules/2.6.27-5-generic/modules.symbols]
ProcCmdLine: root=UUID=305dde78-d20a-4248-aaf4-09447b7c5791 ro quiet splash
ProcEnviron:
LC_COLLATE=C
PATH=/home/username/bin:/usr/lib/ccache:/usr/local/bin:/usr/bin:/bin:/usr/bin/X11:/sbin:/usr/sbin:/usr/games:/usr/lib/surfraw
LANG=en_US.UTF-8
SHELL=/bin/zsh
ProcVersionSignature: Ubuntu 2.6.27-5.8-generic
SourcePackage: linux
** Affects: gnome-power-manager (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug
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ACPI brightness events no longer work on ThinkPad T61
https://bugs.edge.launchpad.net/bugs/280646
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