does not work on hp pavilion dm3-1150el and kubuntu 12.04 (flashing line)

[danlo8600]

I tried on my hp pavilion dm3-1150el but does not work. I use kubuntu 12.04, i tried with kernel 3.2.0-34, 3.2.0-24 and 3.6.0, but when give the command:

echo DIS > /sys/kernel/debug/vgaswitcheroo/switch 

as root see flashing line.
I have decompiled my acpi and i have:

Method (MXMX, 1, NotSerialized)
{
...

Method (MXDS, 1, NotSerialized)
{
...

Method (_DSM, 4, NotSerialized)

Here you can find my acpi: http://paste.kde.org/626846/