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Old 12-28-2018, 11:59 AM   #1
Irbis
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Registered: Jul 2018
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Ubuntu 18.04.1 LTS - starting second xsession fail


I try to start second xsession on Ubuntu 18.04.1 LTS. I switch to tty3: ctrl + alt + F3 then execute the following commands:

Code:
export DISPLAY=:2
startx -- :2
but it fails. Logs. What is wrong ?
The same method works fine on Ubuntu 16.04.5 LTS.

Last edited by Irbis; 12-28-2018 at 12:08 PM.
 
Old 12-28-2018, 06:33 PM   #2
mrmazda
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For me it's sufficient with xserver-xorg-legacy installed, Intel GPU and FOSS Intel X driver on 18.04.1 using TDE sessions to do only 'startx -- :2' (omit 'export DISPLAY=:2'):
Code:
# grep RETT /etc/os-release
PRETTY_NAME="Ubuntu 18.04.1 LTS"
# ps -A | grep init
  692 ?        00:00:00 tdeinit
  992 ?        00:00:00 start_tdeinit
  993 ?        00:00:00 tdeinit
 1013 ?        00:00:00 tdeinit_phase1
 1159 tty3     00:00:00 xinit
 1255 tty3     00:00:00 start_tdeinit
 1256 ?        00:00:00 tdeinit
 1265 tty3     00:00:00 tdeinit_phase1
Do you have xserver-xorg-legacy installed? If neither suggestion works for you, maybe you can make it work by replacing GDM with a different display manager (login greeter): lightdm, sddm or tdm.
 
Old 12-29-2018, 08:44 AM   #3
Irbis
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Yes, I have xserver-xorg-legacy installed. I have thought that when I use startx or xinit a display manager is omitted. How does it work ?
 
Old 12-29-2018, 02:20 PM   #4
mrmazda
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Which "it"? Does
Code:
apt show xserver-xorg-legacy
answer your question?
 
Old 12-31-2018, 01:05 PM   #5
Irbis
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Code:
apt show xserver-xorg-legacy
Package: xserver-xorg-legacy
Version: 2:1.19.6-1ubuntu4.2
Priority: extra
Section: x11
Source: xorg-server
Origin: Ubuntu
Maintainer: Ubuntu X-SWAT <ubuntu-x@lists.ubuntu.com>
Original-Maintainer: Debian X Strike Force <debian-x@lists.debian.org>
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Installed-Size: 267 kB
Depends: xserver-common (>= 2:1.19.6-1ubuntu4.2), libc6 (>= 2.3.4), debconf (>= 0.5) | debconf-2.0
Breaks: x11-common (<< 1:7.7+10~), xserver-xorg-core (<< 2:1.17.2-3~)
Replaces: x11-common (<< 1:7.7+10~), xserver-xorg-core (<< 2:1.17.2-3~)
Homepage: https://www.x.org/
Task: ubuntu-desktop, kubuntu-desktop, xubuntu-core, xubuntu-desktop, ubuntustudio-desktop-core, ubuntustudio-desktop, ubuntukylin-desktop, ubuntu-mate-core, ubuntu-mate-desktop, ubuntu-budgie-desktop
Supported: 5y
Download-Size: 32,9 kB
APT-Manual-Installed: yes
APT-Sources: http://pl.archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages
Description: setuid root Xorg server wrapper
 This package provides a wrapper for the Xorg X server, which is
 necessary for legacy drivers and non-Linux kernels.

N: There is 1 additional record. Please use the '-a' switch to see it
Quote:
Which "it"
I have wondered how a display manager may be related to that issue.

I switched to lightdm and I still can't run second xsession.
 
  


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