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I'm running Ubuntu 13.10 in VirtualBox. The host machine is running Windows 7 with an ATI Radeon HD 5570 video card, 12 GB of memory, 2 quad core i7 CPUs. I've given the virtual machine 4GB of memory, 128 MB of video memory, 1 CPU, and checked the 3d acceleration box in VirtualBox (without 3d checked everything runs like molasses in the winter time).

Every 5 or 10 minutes some of my windows start flipping between a chrome state (the title bar is visible) to a no chrome state (the title bar disappears) which makes the windows jump up and down. This happens with Chrome, Firefox, and Sublime which are pretty much the only apps I use on this box. For Chrome and Firefox, if I delete the user preferences folder then it temporarily seems to fix things. But now it started with Sublime and I haven't found a good fix yet which means I can't currently do any work.

Here is a .gif of the problem:

enter image description here

Why is this happening and what do I need to do to permanently fix it?

Bill
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2 Answers2

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Just a wild guess here: I had the same problem on WinXP, and forcing screen DPI helped. Here are the instructions for Ubuntu, try setting it to 120. Won't hurt anyway. P.S. When you solve the problem, please take time to file a bug at Launchpad on it.

Community
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Barafu Albino
  • 6,629
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Hope this helps:

1>open chrome.Go to chrome://flags/ in address bar.

2>Click on reset all to default.chrome will restart.

3>Now go to chrome://gpu/

4> Check if anything is in red, there lies your problem.

Aniruddha
  • 302