MacBook brightness adjustment does not work in Hardy
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
HAL |
Fix Released
|
Medium
|
|||
gnome-power-manager (Ubuntu) |
Invalid
|
Undecided
|
Unassigned | ||
Hardy |
Invalid
|
Undecided
|
Unassigned | ||
Intrepid |
Invalid
|
Undecided
|
Unassigned | ||
hal (Ubuntu) |
Fix Released
|
Undecided
|
Martin Pitt | ||
Hardy |
Fix Released
|
Undecided
|
Martin Pitt | ||
Intrepid |
Fix Released
|
Undecided
|
Martin Pitt |
Bug Description
Binary package hint: hal
adjusting the brightness doesn't work. a brightness feedback widget appears but is empty, and brightness remains at 100%. This is true whether using the keys, or plugging in/unplugging a/c power.
Affected hardware: MacBook, MacBook Pro
As a workaround, install the pommed package, which manages screen brightness, volume, etc. for MacBook independently of GPM and GSD.
The following is the output from gnome-power-
[hal_device_
[emit_button_
[button_pressed_cb] gpm-manager.c:999 (22:13:09): Button press event type=brightness
[button_pressed_cb] gpm-srv-
[button_pressed_cb] gpm-backlight.c:563 (22:13:09): Button press event type=brightness
[gpm_brightness
*** WARNING ***
[gpm_brightness
[gpm_brightness
[gpm_brightness
*** WARNING ***
[gpm_brightness
[gpm_brightness
[brightness_
[gpm_feedback_
[gpm_refcount_add] gpm-refcount.c:100 (22:13:09): refcount now: 1
[gpm_refcount_add] gpm-refcount.c:101 (22:13:09): non zero, so sending REFCOUNT_ADDED
[brightness_
[button_pressed_cb] gpm-info.c:698 (22:13:09): Button press event type=brightness
[gpm_refcount_
[gpm_feedback_
and lscpi:
00:00.0 Host bridge: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express Memory Controller Hub (rev 03)
00:02.0 VGA compatible controller: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller (rev 03)
00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller (rev 03)
00:07.0 Performance counters: Intel Corporation Unknown device 27a3 (rev 03)
00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 02)
00:1c.0 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 1 (rev 02)
00:1c.1 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 2 (rev 02)
00:1d.0 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #1 (rev 02)
00:1d.1 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #2 (rev 02)
00:1d.2 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #3 (rev 02)
00:1d.3 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #4 (rev 02)
00:1d.7 USB Controller: Intel Corporation 82801G (ICH7 Family) USB2 EHCI Controller (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev e2)
00:1f.0 ISA bridge: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge (rev 02)
00:1f.1 IDE interface: Intel Corporation 82801G (ICH7 Family) IDE Controller (rev 02)
00:1f.2 IDE interface: Intel Corporation 82801GBM/GHM (ICH7 Family) SATA IDE Controller (rev 02)
00:1f.3 SMBus: Intel Corporation 82801G (ICH7 Family) SMBus Controller (rev 02)
01:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8053 PCI-E Gigabit Ethernet Controller (rev 22)
02:00.0 Network controller: Atheros Communications, Inc. AR5418 802.11abgn Wireless PCI Express Adapter (rev 01)
03:03.0 FireWire (IEEE 1394): Agere Systems FW323 (rev 61)
and uname -a:
Linux tatooine 2.6.24-12-generic #1 SMP Wed Mar 12 23:01:54 UTC 2008 i686 GNU/Linux
package info:
gnome-power-
Installed: 2.22.0-0ubuntu2
Candidate: 2.22.0-0ubuntu2
Version table:
*** 2.22.0-0ubuntu2 0
500 http://
100 /var/lib/
release info:
Description: Ubuntu hardy (development branch)
Release: 8.04
description: | updated |
Changed in gnome-power-manager: | |
status: | New → Confirmed |
Changed in hal: | |
status: | New → Confirmed |
Changed in hal: | |
status: | Unknown → Confirmed |
description: | updated |
Changed in hal: | |
status: | Confirmed → Fix Released |
Changed in hal: | |
importance: | Unknown → Medium |
Changed in hal: | |
importance: | Medium → Unknown |
Changed in hal: | |
importance: | Unknown → Medium |
I can confirm this; same exact problem on my second generation Macbook Core 2 Duo, with the same kernel and gnome-power-manager versions as above (running latest 8.04 beta). Using xbacklight (which uses the RandR extension), though, I can adjust the brightness from the terminal successfully.