None of those pauses correspond to blocking in -intel. If you can still reproduce the issue, grab a stacktrace of X during the delay. (If you are correct in your assertion, then X will also pause if you run it manually.)
** Changed in: xserver-xorg-video-intel (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/1032867 Title: 20 second delay during boot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1032867/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp