Mint Installation Blues: From looping login to no login

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Mint Installation Blues: From looping login to no login

Postby jalong on Sat Jan 12, 2013 4:29 pm

Hi All. New user here. I've encountered 2 problems installing Mint 14 Cinnamon, one of which I "solved," though the solution brought up another issue. The machine in question is an Asus G55VW with a Nvidia GTX 660M, Intel i7-3610QM, 12 GB RAM, Athereos AR9485 Wireless, Atheros AR 8151 GB ethernet.

1. Looping login after fresh install. Once a username/pass is entered at the login screen, the X server starts then crashes, bringing you back to the login screen. Log file ~/.xsession.errors showed a "segmentation fault," which did not help me much. X server was using the video driver Nouveau. What I eventually discovered after hours of searching log files was that the problem seemed totally unrelated to the X server: if I was connected to the internet by either lan or wireless, the x server crashed. If I ctrl-alt-F1'd to a terminal and used 'fskill block all', I would be taken to the desktop. I replicated this behaviour numerous times on both Cinnamon and Mint KDE. I always had to switch to the console and block lan/wireless before I could log in.

2. Once I installed the Nvidia proprietary drivers, there were no login problems at boot. Using autologin, it would boot straight to the desktop. The problem now is that I can never get to the login screen. If I kill X server or log out, x server starts, crashes, goes to the full screen terminal and tries again to start x server. It tries this three times before showing a text box saying, "Failed to start the X server...." The error message is "Fatal server error: no screens found." The Xorg.0.log expands on this with the error message "Screen(s) found, but none have a usable configuration." I eventually reach the fullscreen terminal where I am informed that X server is disabled until configuration is fixed. The machine has to be rebooted to reach the desktop.

Question: if my configuration is "bad," why does the computer boot beautifully to the desktop? The only time the configuration seems to be bad is when I logout or the X server is otherwise killed..

I've spent three days reading logfiles, googling error messages, etc. (good learning experience) but I am now stumped. I've tried other Nvidia drivers. Can anyone offer any suggestions?


# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig: version 310.14 ( Tue Oct 9 13:04:01 PDT 2012

Section "ServerLayout"
Identifier "Layout0"
Screen 0 "Screen0"
InputDevice "Keyboard0" "CoreKeyboard"
InputDevice "Mouse0" "CorePointer"

Section "Files"

Section "InputDevice"
# generated from default
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "auto"
Option "Device" "/dev/psaux"
Option "Emulate3Buttons" "no"
Option "ZAxisMapping" "4 5"

Section "InputDevice"
# generated from default
Identifier "Keyboard0"
Driver "kbd"

Section "Monitor"
Identifier "Monitor0"
VendorName "Unknown"
ModelName "Unknown"
HorizSync 28.0 - 33.0
VertRefresh 43.0 - 72.0
Option "DPMS"

Section "Device"
Identifier "Device0"
Driver "nvidia"
VendorName "NVIDIA Corporation"

Section "Screen"
Identifier "Screen0"
Device "Device0"
Monitor "Monitor0"
DefaultDepth 24
SubSection "Display"
Depth 24

Thanks in advance!
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