Public bug reported:

Normally, I would expect to be launched into the (classic) gnome
desktop. I can temporarily work around the issue by using xfce4-session
instead.

Starting "gnome-session --session=gnome-classic" from terminal (under xfce4) I 
get the following message:
        $ gnome-session --session=gnome-classic
        gnome-session-is-accelerated: No composite extension.
        gnome-session-check-accelerated: Helper exited with code 256
        gnome-session-is-accelerated: No composite extension.
        gnome-session-check-accelerated: Helper exited with code 256
        ** (process:6197): WARNING **: software acceleration check failed: 
Child process exited with code 1
        ** (gnome-session:6197): CRITICAL **: We failed, but the fail whale is 
dead. Sorry....


Perhaps relatedly, since upgrade to 13.10 some gnome apps have started having 
errors, too.
        $ evince
        (evince:7046): EggSMClient-WARNING **: Failed to connect to the session 
manager: Authentication Rejected, reason : None of the authentication protocols 
specified are supported and host-based authentication failed
        No protocol specified
        ** (evince:7046): WARNING **: Could not open X display
        No protocol specified
        Cannot parse arguments: Cannot open display:

After running "sudo xhost +" the error changes to:
        (evince:7507): EggSMClient-WARNING **: Failed to connect to the session 
manager: Authentication Rejected, reason : None of the authentication protocols 
specified are supported and host-based authentication failed
        (evince:7507): Gtk-WARNING **: Attempting to read the recently used 
resources file at `/home/martin/.local/share/recently-used.xbel', but the 
parser failed: Failed to open file 
'/home/martin/.local/share/recently-used.xbel': Permission denied.
        (evince:7507): EvinceDocument-CRITICAL **: ev_document_get_n_pages: 
assertion 'EV_IS_DOCUMENT (document)' failed
        Segmentation fault (core dumped)

Eye of Gnome (eog) simply segfaults, too.

Some system information:
Description:    Ubuntu 13.10
Release:        13.10
uname: Linux to127 3.11.0-13-generic #20-Ubuntu SMP Wed Oct 23 07:38:26 UTC 
2013 x86_64 x86_64 x86_64 GNU/Linux
The system is running under VMWare and is connected to via NX/SSH (which should 
not have any effect, I think).
All software packages should be at their latest versions. gnome session version 
is 3.9.90-0ubuntu3.

The information I have provided is probably very vague. Is there
anything else I could do to clarify things?

ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: gnome-session 3.9.90-0ubuntu3
ProcVersionSignature: Ubuntu 3.11.0-13.20-generic 3.11.6
Uname: Linux 3.11.0-13-generic x86_64
ApportVersion: 2.12.5-0ubuntu2.1
Architecture: amd64
Date: Thu Nov 28 10:18:40 2013
InstallationDate: Installed on 2012-06-27 (518 days ago)
InstallationMedia: Ubuntu-Server 12.04 LTS "Precise Pangolin" - Release amd64 
(20120424.1)
MarkForUpload: True
PackageArchitecture: all
SourcePackage: gnome-session
UpgradeStatus: Upgraded to saucy on 2013-11-21 (6 days ago)

** Affects: gnome-session (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug saucy third-party-packages

-- 
You received this bug notification because you are a member of Ubuntu
Desktop Bugs, which is subscribed to gnome-session in Ubuntu.
https://bugs.launchpad.net/bugs/1255875

Title:
  After dist-upgrade to 13.10, gnome-session starts with just a black
  screen w/ mouse cursor

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