[Nouveau] [Bug 51281] X server restarts on brightness change

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=51281

--- Comment #10 from Michal Papis <mpapis at gmail.com> 2012-06-21 14:01:36 UTC ---
there was only one device and it also worked to use it:

$ echo 8 | sudo tee /sys/class/backlight/acpi_video0/brightness
root's password:
8
$ echo 6 | sudo tee /sys/class/backlight/acpi_video0/brightness
6

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