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["Till W." <706259@xxxxxxxxxxxxxxxxxx>]

I noticed that the problem vanishes entirely if I disable KMS by adding
"i915.modeset=0" to my kernel command line. Thus, disabling KMS and
using UMS instead can be used as a workaround for Lucid.

However, I recently dist-upgraded from Lucid to Maverick (10.10) and
noticed that the bug is still present. To make things even worse, the
xserver-xorg-video-intel version shipped with Maverick does no longer
support UMS, so I am forced to use KMS and therefore can not use my
workaround any longer.

Symptoms with Maverick are the same as with Lucid: after a resume from
suspend-to-RAM the DVI-output does not work anymore. My TFT just says
"No signal". After a reboot the DVI is working again.

This bug renders suspend-to-RAM almost useless to me.

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https://bugs.launchpad.net/bugs/706259

Title:
  [915GM] DVI output not working after laptop wakeup