Public bug reported:
Ubuntu Feisty herd5. IBM/lenovo R60e. Kernel 2.6.20-9-generic
Problem: the hardware brightness keys (Fn+Home "brighter" & Fn+End
"dimmer") are working in most strange way: when either one is pressed
the display is made blank. The screen is restored after a few clicks
(Fn+Home takes longer to return to visible state than Fn+End). The gnome
brightness popup usually shows the correct brightness setting. The keys
are working ok in win xp pro and in virtual consoles.
Additionally the dropdown brightness applet doesn't work as expected:
clicking on the slidebar causes the display to cycle from brightest do
dimmest setting (or vice versa) in less than 1 second. It is very
difficult to set the intermediate brightness level using this slider.
The /proc/acpi/ibm interface however works flawlessly - allows to read
the brightness setting and to change it.
ProblemType: Bug
Architecture: i386
Date: Fri Mar 9 20:20:31 2007
DistroRelease: Ubuntu 7.04
Uname: Linux discovery 2.6.20-9-generic #2 SMP Mon Feb 26 03:01:44 UTC 2007
i686 GNU/Linux
** Affects: Ubuntu
Importance: Undecided
Status: Unconfirmed
** Description changed:
- Ubuntu Feisty herd5. IBM/lenovo T60e. Kernel 2.6.20-9-generic
+ Ubuntu Feisty herd5. IBM/lenovo R60e. Kernel 2.6.20-9-generic
Problem: the hardware brightness keys (Fn+Home "brighter" & Fn+End
"dimmer") are working in most strange way: when either one is pressed
the display is made blank. The screen is restored after a few clicks
(Fn+Home takes longer to return to visible state than Fn+End). The gnome
brightness popup usually shows the correct brightness setting. The keys
are working ok in win xp pro and in virtual consoles.
Additionally the dropdown brightness applet doesn't work as expected:
clicking on the slidebar causes the display to cycle from brightest do
dimmest setting (or vice versa) in less than 1 second. It is very
difficult to set the intermediate brightness level using this slider.
The /proc/acpi/ibm interface however works flawlessly - allows to read
the brightness setting and to change it.
ProblemType: Bug
Architecture: i386
Date: Fri Mar 9 20:20:31 2007
DistroRelease: Ubuntu 7.04
Uname: Linux discovery 2.6.20-9-generic #2 SMP Mon Feb 26 03:01:44 UTC 2007
i686 GNU/Linux
--
hardware brightness keys on lenovo R60e are working "strange" in gnome
https://launchpad.net/bugs/90925
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