When I view some canvas3d/webgl content, the toolbar is mirrored on the canvas. Is this a bug?

I'm experiencing a weird issue with canvas tags using webgl. When I open some pages with webgl, my top toolbar (back/forward buttons, awesome bar and all the rest) is mirrored in the bottom of the canvas element instead of showing the expected content. Focusing any other window causes the mirrored image to be replaced with the actual content.
I have tested this with several webgl pages, the problem only appears on some of them, and I have no idea why. An example page that does show the problem: http://alteredqualia.com/three/examples/webgl_cubes.html.
I have also tested this under a default profile with none of my addons installed, and still experienced the problem. I'm running Firefox 25, under OSX 10.6. Screenshot here: http://imgur.com/TZcABYN
I've searched around and not found any reference to a problem like this. Is this an unreported bug?

Try to disable hardware acceleration in Firefox.
*Firefox > Preferences > Advanced > General > Browsing: "Use hardware acceleration when available"
*https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes

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Hi Guys
Am still getting random red x's despite footage from a new project being scanned in.
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Hi,
Welcome to Adobe Forums.
Please try the patch from these artciles ;
http://helpx.adobe.com/acrobat/kb/reader-acrobat-flash-player-download.html
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http://social.technet.microsoft.com/Forums/en-US/smallbusinessserver/thread/87077dd8-a329-48e8-b42d-d0a8bf87b082
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I have spent two days to resolve this issue. Microsoft has released two KBs with reference to this issue...but are not appearing in search results at the top.
I am sharing my finding.
1. First install the
KB2552989 (Hopefully you might have already installed it. The KB detetcts it and informs the user.)
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Pradip T. ------------- MCTS(SharePoint 2010/Web)|MCPD(Web Development) https://www.mcpvirtualbusinesscard.com/VBCServer/paddytakate/profile

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Regards
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Success?

I get a partially transparent checkerboard pattern when I open some pdf documents in the Firefox browser..

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*https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes
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Microsoft.Expression.DesignHost.Isolation.Remoting.RemoteException
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Rod

I stopped when I saw stuff about databinding.
I guess your problem is you have code in your constructor.
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This is probably trying to use things which aren't there at design time.
You can mock them or just exit out the constructor if you're in the designer.
public YourUserControlConstructor()
InitializeComponent();
if (DesignerProperties.GetIsInDesignMode(this)
return;
// Dependent code which produces errors
http://social.technet.microsoft.com/wiki/contents/articles/29874.wpf-tips-designer-detection.aspx
Hope that helps.
Recent Technet articles: Property List Editing;
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When I view some canvas3d/webgl content, the toolbar is mirrored on the canvas. Is this a bug?

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