Ubuntu
xserver-xorg-video-intel package

  1. Bug #397617
  2. Comment #31

Comment 31 for bug 397617

Revision history for this message
In , Zhang Rui (rui-zhang) wrote :

Created an attachment (id=27869)
customized DSDT

please apply this customized DSDT and see if it helps.
please also attach the output of "cat /proc/acpi/video/GFX0/*/state".