Ubuntu
xserver-xorg-video-intel package

  1. Bug #193419
  2. Comment #23

Comment 23 for bug 193419

Revision history for this message
Darryl Hamilton (lordp) wrote : Re: External monitor loss - intel 945

Ok, disabling the screensaver and not locking the screen didn't help. It seems to be happening after a certain amount of inactivity. Logging off, or killing X fixes the issue.

darrylh@gozer:~$ grep EXA /var/log/Xorg.0.log
(==) intel(0): Using EXA for acceleration
(WW) intel(0): EXA greedy migration mode enabled.