Public bug reported:

lenovo R61, external LCD monitor

ubuntu 8.10

ii  xorg                                       1:7.4~5ubuntu3                   
                    X.Org X Window System
ii  xserver-xorg-core                          2:1.5.2-2ubuntu3                 
                    Xorg X server - core server
ii  nvidia-177-modaliases                      177.80-0ubuntu2                  
                    Modaliases for the NVIDIA binary X.Org drive
ii  nvidia-common                              0.2.4                            
                    Find obsolete NVIDIA drivers
ii  nvidia-glx-177                             177.80-0ubuntu2                  
                    NVIDIA binary Xorg driver
ii  nvidia-kernel-common                       20051028+1+nmu2ubuntu2           
                    NVIDIA binary kernel module common files
ii  nvidia-settings                            177.78-0ubuntu2.1                
                    Tool of configuring the NVIDIA graphics driv

With ubuntu 8.04, I used the Twinview option in xorg.conf, and the X server 
would automatically detect if the external monitor was connected at boot. 
Additionally, if I connected a monitor (or projector) after boot, I could 
enable it by switching screen resolutions in system->preferences->screen 
resolution (or using the more complex nvida-settings application).

After upgrade to 8.10, if I enable TwinView X won't start, locking after "(II) 
Initializing extension GLX", and I find myself in the "degraded" emergergency X 
server. 
Thus I'm forced to use the autogenerated xorg.conf, that only enables the 
internal LCD.

After logging in, I am able to enable the external monitor using the
nvidia-settings application (as before), but that requires quite a few
clicks at every boot (and the TwinView property appears no to be
scriptable).

The screen resolution applet mixes all resolutions supported by both
monitors, plus the virtual twinview resolution, and if I set a
resolution it enables both monitors in mirror mode at that resolution
(with scaling), instead of enabling only the one that matched the
selected resolution.

** Affects: nvidia-graphics-drivers-177 (Ubuntu)
     Importance: Undecided
         Status: New

-- 
regression 8.04 to 8.10: Quadro NVS 140M: Xorg fails to start with TwinView 
enabled
https://bugs.launchpad.net/bugs/298484
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