Ubuntu
xserver-xorg-video-intel package

  1. Bug #580225
  2. Comment #2

Comment 2 for bug 580225

Revision history for this message
Felix Yan (felixonmars) wrote : Re: [gm45] Backlight sometimes stays off after resume on Lenovo X200

Exactly the same bug here, but I also affected the bug in Windows 7(tested for many many times).