2 сессии Xorg не могут работать параллельно

#!/bin/sh

userresources=$HOME/.Xresources
usermodmap=$HOME/.Xmodmap
sysresources=/etc/X11/xinit/.Xresources
sysmodmap=/etc/X11/xinit/.Xmodmap

# merge in defaults and keymaps
if [ -f $sysresources ]; then
    xrdb -merge $sysresources
fi

if [ -f $sysmodmap ]; then
    xmodmap $sysmodmap
fi

if [ -f "$userresources" ]; then
    xrdb -merge "$userresources"
fi

if [ -f "$usermodmap" ]; then
    xmodmap "$usermodmap"
fi

# start some nice programs

if [ -d /etc/X11/xinit/xinitrc.d ] ; then
 for f in /etc/X11/xinit/xinitrc.d/?*.sh ; do
  [ -x "$f" ] && . "$f"
 done
 unset f
fi

exec /usr/bin/qemu-system-x86_64 -enable-kvm -show-cursor -m 3096 -smp 8 -cpu host ...... &
exec openbox-session

  GNU nano 4.0                                                                                                       test.sh                                                                                                                 
#!/bin/bash
for i in {1..240}
do
   sleep 1s
   echo "$i second(s)"
done

pulseaudio: pa_context_connect() failed
pulseaudio: Reason: Connection refused
pulseaudio: Failed to initialize PA contextaudio: Could not init `pa' audio driver
ALSA lib pcm_dmix.c:1108:(snd_pcm_dmix_open) unable to open slave
alsa: Could not initialize DAC
alsa: Failed to open `default':
alsa: Reason: Device or resource busy
ALSA lib pcm_dmix.c:1108:(snd_pcm_dmix_open) unable to open slave
alsa: Could not initialize DAC
alsa: Failed to open `default':
alsa: Reason: Device or resource busy
audio: Failed to create voice `ac97.po'
ALSA lib pcm_dmix.c:1108:(snd_pcm_dmix_open) unable to open slave
alsa: Could not initialize DAC
alsa: Failed to open `default':
alsa: Reason: Device or resource busy
ALSA lib pcm_dmix.c:1108:(snd_pcm_dmix_open) unable to open slave
alsa: Could not initialize DAC
alsa: Failed to open `default':
alsa: Reason: Device or resource busy

audio: Failed to create voice `ac97.po'
No protocol specified
xcb_connection_has_error() returned true
Home directory not accessible: Permission denied
ALSA lib confmisc.c:767:(parse_card) cannot find card '0'
ALSA lib conf.c:4568:(_snd_config_evaluate) function snd_func_card_driver returned error: No such file or directory
ALSA lib confmisc.c:392:(snd_func_concat) error evaluating strings
ALSA lib conf.c:4568:(_snd_config_evaluate) function snd_func_concat returned error: No such file or directory
ALSA lib confmisc.c:1246:(snd_func_refer) error evaluating name
ALSA lib conf.c:4568:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
ALSA lib conf.c:5047:(snd_config_expand) Evaluate error: No such file or directory
ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) Unknown PCM sysdefault
alsa: Could not initialize DAC
alsa: Failed to open `default':
alsa: Reason: No such file or directory

[ 24662.837] (II) AIGLX: Suspending AIGLX clients for VT switch
[ 24805.098] (II) systemd-logind: got resume for 13:77
[ 24805.130] (II) systemd-logind: got resume for 13:69
[ 24805.161] (II) systemd-logind: got resume for 13:70
[ 24805.185] (II) systemd-logind: got resume for 13:83
[ 24805.205] (II) systemd-logind: got resume for 13:76
[ 24805.219] (II) systemd-logind: got resume for 13:67
[ 24805.244] (II) systemd-logind: got resume for 13:71
......
[ 24805.267] (II) systemd-logind: got resume for 13:66
[ 24805.267] (II) systemd-logind: got resume for 226:0
[ 24805.267] (II) AIGLX: Resuming AIGLX clients after VT switch

qemu-system-x86_64 -enable-kvm -show-cursor -smp 8 -cpu host -vga virtio -soundhw ac97 -machine q35,accel=kvm