Public bug reported:
nvidia-current 195.36.24 has completely different and fatal behavior
(compared to nvidia-173) when started with no display attached to the
graphics card. For some bizarre reason Nvidia has changed the default
behavior (from assuming by default a "CRT" output with 1kx768
resolution) to now refusing to start the X server. This makes a remote
session using "vino" or other VNC server impossible.
The original behavior, that of starting the X server, can be obtained by
adding the line:
Option "ConnectedMonitor" "CRT"
to either the "Device" or "Screen" section of the /etc/X11/xorg.conf
file.
Be warned that running nvidia-xconfig will erase this line from the
configuration file if you run it, and
running "nvidia-xconfig --virtual" will not insert it.
Below is a section of release notes for a related package that has the relevant
details obtained from
http://lists.pcbsd.org/pipermail/testing/2010-March/003860.html
This was at one time available from
http://www.nvidia.com/object/freebsd_195.36.08.html
but not any more.
* Altered NVIDIA X driver behavior in the case that no display
devices are connected to the GPU.Previously, in this case, the
NVIDIA X driver would pretend a CRT was connected to the GPU. Now,
the NVIDIA X driver will not automatically pretend that any CRTs
are connected.If the X driver does not detect any connected
display devices, the X server will fail to start.
To restore the old behavior, use the ConnectedMonitor X
configuration option; e.g.,
Option "ConnectedMonitor" "CRT"
Alternatively, if display is not desired, Quadro and Tesla GPU
users can enable "NoScanout" mode, which bypasses any mode timing
validation or use of display devices; this is configured with:
Option "UseDisplayDevice" "none"
** Affects: nvidia-graphics-drivers (Ubuntu)
Importance: Undecided
Status: New
** Tags: regression
--
nvidia-current 195.36.24 fails to start X server when no display connected
https://bugs.launchpad.net/bugs/608036
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to nvidia-graphics-drivers in ubuntu.
_______________________________________________
Mailing list: https://launchpad.net/~ubuntu-x-swat
Post to : ubuntu-x-swat@lists.launchpad.net
Unsubscribe : https://launchpad.net/~ubuntu-x-swat
More help : https://help.launchpad.net/ListHelp
