Comment 109 for bug 311716

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gidantribal (aedo999) wrote :

Actually when I start the system under 2.6.27-11-generic x64 GNU/Linux (on acer aspire 6920G)
    - my directory '/proc/acpi/video' is EMPTY
    - and LCD brightness can't be changed, both from terminal and FN keys.
    - Plus, if I use FN keys, the applet reacts to Brightness- but doens't react to Brightness+

when I start the 2.6.27-9-generic, instead, I have the proper directories and the system (and applet) working.

It's a pity the acpi has broken in this last kernel release.