I've experienced the same symptoms since upgrading to 1:7.5 on my ThinkPad X60t. Also using the intel driver.
Disabling kernel mode setting seems to have fixed things for me: $ cat /etc/modprobe.d/i915-kms.conf options i915 modeset=0 - Chris Burkhardt -- To UNSUBSCRIBE, email to debian-x-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
