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  1. Bug #717189
  2. Comment #6

Comment 6 for bug 717189

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Seth Forshee (sforshee) wrote :

I bisected it to this commit:

commit 5d1d0cc87fc0887921993ea0742932e0c8adeda0
Author: Chris Wilson <email address hidden>
Date: Mon Jan 24 15:02:15 2011 +0000

    drm/i915: Reset crtc after resume

    Based on a patch by Takashi Iwai.

    Reported-by: Matthias Hopf <email address hidden>
    Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=27272
    Tested-by: Takashi Iwai <email address hidden>
    Signed-off-by: Chris Wilson <email address hidden>

I haven't gotten the time yet to find exactly where the kernel is actually hanging. The changes can only be indirectly causing the hang, as all it really does is introduce the resetting of some values into the resume path.