Ubuntu
xserver-xorg-video-intel package

  1. Bug #276943
  2. Comment #24

Comment 24 for bug 276943

Revision history for this message
Matthias Himber (nomar) wrote : Re: Resume from suspend doesn't not work on the Mobile 4 Series chipsets

Confirming this bug on a Thinkpad T500.

This seems to be a multiprocessor concurrency issue. There is a workaround on UbuntuForums: <http://ubuntuforums.org/showpost.php?p=6105510&postcount=12> that fixes the problem by temporarily disabling all but one processor cores on suspend.