Comment 3 for bug 198808

After digging deeper into hal and it's scripts I found the root cause for the problem in

hal (0.5.10-5ubuntu2) hardy; urgency=low

  * debian/patches/88_change_pm_quirk_policy.patch: Change default pm
    quirk policy to match previous Ubuntu behaviour.

 -- Matthew Garrett <email address hidden> Sun, 30 Dec 2007 19:57:28 +0000

The above patch breaks the logic of the QUIRK checking code and defaults to applying several quirks. This is the opposite of the upstream logic and
will make a lot of upstream submitted quirks (fdi files) unusable.

In my case I defined a quirk for my noteboook for
  --quirk-vbestate-restore
The patch adds
  --quirk-dpms-on
  --quirk-vbemode-restore
  --quirk-vga-mode3
  --quirk-vbe-post
  --quirk-reset-brightness
if NOT explicitly set to false. I wasn't able to find a correletion of these default quirks and the old mechanisms in /etc/default/acpi-support for disabling it.