I am using ubuntu 14.04 LTS on a 2010 mac book. My graphics card is a Nvidia 320m. I use i3wm with LightDM.
Usually the graphics mess up (virtical lines, boxes etc..) but sometimes this does not happen. After a while the system will hang, sometimes I can still move the mouse. After this sometimes it goes to a black screen displaying:
I managed to retrieve the following information through ssh after one of the above black screens.
xorg.0.log: http://pastebin.com/niYfZsWX
lspci -nn: http://pastebin.com/vwwvztcB
dmesg: http://pastebin.com/0esi7uG9
I have the same problem if I use the try Ubuntu option from a live cd
Usually the graphics mess up (virtical lines, boxes etc..) but sometimes this does not happen. After a while the system will hang, sometimes I can still move the mouse. After this sometimes it goes to a black screen displaying:
* Starting LightDM Display Manager
* Stopping Send an event to indicate plymouth is up
* Starting Mount network filesystems
* Stopping Mount network filesystems
^@^@[ 1691.884024] nouveau E[xorg[8562]] failed to idle channel 0xcccc0000 [xorg[8562]]
[ 1706 884055] nouveau E[xorg[0562]] failed to idle channel 0xcccc0000 [xorg[8562]]
* Stopping Send an event to indicate plymouth is up
* Starting Mount network filesystems
* Stopping Mount network filesystems
^@^@[ 1691.884024] nouveau E[xorg[8562]] failed to idle channel 0xcccc0000 [xorg[8562]]
[ 1706 884055] nouveau E[xorg[0562]] failed to idle channel 0xcccc0000 [xorg[8562]]
The rest of the output was garbled.
Othertimes instead of this output the system will return to the login screen.I managed to retrieve the following information through ssh after one of the above black screens.
xorg.0.log: http://pastebin.com/niYfZsWX
lspci -nn: http://pastebin.com/vwwvztcB
dmesg: http://pastebin.com/0esi7uG9
I have the same problem if I use the try Ubuntu option from a live cd