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[Bug 269904] Re: Screen refresh problems with nvidia cards

To: compiz@xxxxxxxxxxxxxxxxxxx
From: "Y. Leretaille" <YLeretaille@xxxxxxxxxxxxxx>
Date: Sun, 08 Jun 2014 01:18:12 -0000
Reply-to: Bug 269904 <269904@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

@townsend: I have this issue on my Macbook Pro Retina 10.1 with Ubuntu 14.04 using the nvidia card (gt 650m). In many applications, only parts of the screen are refreshed and the parts that are not refreshed flicker heavily (seemingly between old versions of the screen). This is especially a problem in firefox.
I tried the following fixes before:
- "Force synchronization between X and GLX" in ccsm: no change
- turning off "Allow Flipping" in nvidia-settings: removed the flickering but the issue remained otherwise unchanged
- updating to newest nvidia driver (now 337.25): no change

I just tried your patched compiz version and it seems that the issue is
now completely resolved!

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https://bugs.launchpad.net/bugs/269904

Title:
  Screen refresh problems with nvidia cards

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