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During Ubuntu hibernation the following messages appear on the screen and they are accumulated until the system is completely restarted. They also can be found in dmesg output.

[50357.815787] [drm] nouveau 0000:01:00.0: 0x7241: i2c wr fail: -6
[50357.819721] [drm] nouveau 0000:01:00.0: 0x7253: i2c rd fail: -6

The hibernation itseld is working good (after hacking described in this article).

What do these messages mean and should I do anything to avoid them?

My computer is ASUS U40S, Ubuntu 12.04 LTS x64.

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1 Answer 1

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This is related with your nVidia graphic card. "nouveau" is its driver. Apparently something is wrong with it. You may refer to your /var/log/Xorg.0.log to get more information.

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