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Old 05-01-11, 08:01 PM   #1
Thommy
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Join Date: Aug 2003
Posts: 14
Default Visual glitches on bottom of the screen (MacBook 5.2)

Hi,

Since i've first installed ubuntu, I got a visual glitch at bottom of the screen while using Nvidia drivers (with nv/vesa drivers this doesn't happens).

The bottom at the screen, sometimes, keeps flickering and moving content to the right as shown on attached picture

When I tried to do a screen snapshot, the image generated was perfect (also attached) even while the problem was happening

This happened on Ubuntu 9.10, 10.04, 10.10 and now with 11.04
My computer is a Macbook 5.2 with nVidia Corporation C79 [GeForce 9400M G]
And my nvidia drive is the ubuntu default one (270.41.06)

attached the bug report with refference images
Attached Thumbnails
Click image for larger version

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Views:	101
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ID:	42705  Click image for larger version

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Size:	245.5 KB
ID:	42706  
Attached Files
File Type: gz nvidia-bug-report.log.gz (110.9 KB, 58 views)
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Old 05-02-11, 03:06 AM   #2
Lysius
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Posts: 98
Default Re: Visual glitches on bottom of the screen (MacBook 5.2)

What happens with nouveau driver?

My first guess would be bad hardware.
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Old 05-02-11, 05:32 PM   #3
Thommy
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Default Re: Visual glitches on bottom of the screen (MacBook 5.2)

Hello!

I don't think it's a hardware problem since in MacOS X, even in game, this bug doesn't shows.

And on Ubuntu, while running games this bug doesn't shows also.

I will try nouveau.
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Old 05-13-11, 11:48 AM   #4
Tangamandapiano
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Default Re: Visual glitches on bottom of the screen (MacBook 5.2)

Happens to me too. I have exactly the same machine. Nouveau driver doesn't have the problem and the video is also perfect on Mac OS X.

Any ideas?
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