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Boot live session - choose Try
Same issue with at least Xubuntu,Ubuntu and Lubuntu
No desktop, black screen - change to vt1 - run loginctl show-seat seat0
gives CanGraphical=no
run startx and desktop boots
this is in a vm on a machine using nvidia card and 331-updates
appears similar to lp:1365336
ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: lightdm 1.11.8-0ubuntu1
ProcVersionSignature: Ubuntu 3.16.0-13.19-generic 3.16.1
Uname: Linux 3.16.0-13-generic x86_64
ApportVersion: 2.14.7-0ubuntu2
Architecture: amd64
CasperVersion: 1.343
Date: Fri Sep 5 21:40:54 2014
LiveMediaBuild: Xubuntu 14.10 "Utopic Unicorn" - Alpha amd64 (20140905.1)
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: lightdm
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: xserver-xorg-video-vesa (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug iso-testing utopic
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Graphical desktop not starting from livesession
https://bugs.launchpad.net/bugs/1366206
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