[Pkg-utopia-maintainers] Bug#528991: hal fails to use dcdbas to set brightness on dell laptop

[Michael Biebl]

david b. wrote:
> Package: hal
> Version: 0.5.11-8
> Severity: important
> 
> My laptop a dell latitude d400, can hang/ and or hal takes up all my cpu.
> To repoduce this bug, 
> 1. turn on the dim screen option in gnome power power settings.
> 2. Then use the laptop for a minute.
> 3. leave it alone for 30seconds to 1 minute
> 4. find that the laptop takes around 5-7 seconds to respond to keyboard / mouse movements.
> 
> A workaround is disabling the 'dim' screen option in gnome power management.
> This problem as documented on the ubuntu list(see below), can crash the system.
> 
> 
> 
> The exact error that hal reports (when running in verbose mode, not as a daemon)  is "addon-dell-backlight.cpp:214: Received Setbirghtness Dbus call" + "addon-dell-backlight.cpp:116: Could not access the dcdbas kernel module. Please make sure it is loaded. "
> 
> (perhaps this is a dbus bug ?).
> 
> 
> Note: (i have a bios password set)
> 
> references:
> http://www.mail-archive.com/ubuntu-bugs@lists.ubuntu.com/msg905584.html
> https://bugs.freedesktop.org/show_bug.cgi?id=7221


Are you sure the dcdbas kernel module is loaded (check with lsmod)

According to the upstream bug report you quotet, this bug is already fixed.

Michael


-- 
Why is it that all of the instruments seeking intelligent life in the
universe are pointed away from Earth?

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