Ubuntu
xserver-xorg-video-intel package

  1. Bug #503255
  2. Comment #3

Comment 3 for bug 503255

Revision history for this message
Reinhard Tartler (siretart) wrote : Re: [i945] querying information on external monitor with xrandr hangs gpu

this posting shows similar symptoms: http://www.pubbs.net/kernel/200911/25605/