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Since installing 11.10 I've noticed that often when I login the following sequence:

  • login screen [hit enter]
  • light gray screen (0.5 - 1 sec)
  • my background appears
  • Unity loads
  • Guake loads

I'm running on a fairly beefy i7 so I don't think it's a lack of hardware, unless its that the Intel card can't cope but the NVidia would. (I'm running one of those hybrid graphics machines.)

Is there any way to stop this flash from happening? Can I change the color? Is it a bug?

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It started happening to me as well, but only after I installed gnome-shell. And I have an ATI card. Weird. –  pvjlieuthier Nov 21 '11 at 20:10
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The gray screen is simply indicating that you are (automatically) being downgraded to Unity-2D. So your issue is: Why is my graphics setup not supporting Unity (3D)? –  david6 Nov 21 '11 at 21:11
    
Are you using Unity-2D? Unity 2D has this problem already reported: <I can’t find the bug right now> –  Fitoschido Nov 21 '11 at 21:49
    
@david6 you're right, for some reason I had this account set to unity2d –  d3vid Nov 22 '11 at 5:36
    
@fitoschido thanks for confirming that, I couldn't find it either but I've noted it in my answer below –  d3vid Nov 22 '11 at 5:37
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1 Answer 1

up vote 1 down vote accepted

This is a known Metacity bug visible when logging in to a Unity 2D session.

Switch to Unity 3D, or wait for the bug to be resolved.

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one bug on bugs.launchpad.net/metacity/+bug/864779 –  doug Nov 22 '11 at 5:53
    
@doug thanks! I've added the link –  d3vid Nov 22 '11 at 5:54
    
Presumably this is ONLY cosmetic, and does not otherwise effect used of Unity-2D? –  david6 Nov 22 '11 at 5:58
    
@david6 clarified wording –  d3vid Nov 22 '11 at 6:08
    
yes, just a 'cosmetic' issue –  doug Nov 22 '11 at 6:40
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