Public bug reported:
I've installed a fresh x64 Trusty 14.04.1 LTS.
In dmesg I get:
[ 73.993259] nouveau E[ PGRAPH][0000:01:00.0] DATA_ERROR INVALID_VALUE
[ 73.993269] nouveau E[ PGRAPH][0000:01:00.0] DATA_ERROR
[ 73.993276] nouveau E[ PGRAPH][0000:01:00.0] ch 2 [0x001fad9000 Xorg[1014]]
subc 2 class 0x502d mthd 0x0284 data 0x0008e6a0
then after a while the screen freezes, the mouse pointer won't move to
the second monitor and Ctrl-Alt-F1 won't switch to the text mode. Only
solution is to switch it off.
The compuer works fine in the text mode.
It's a dual monitor setup.
** Affects: xserver-xorg-video-nouveau (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1357262
Title:
GeForce 8800 crash: nouveau DATA_ERROR INVALID_VALUE
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