[Pkg-tigervnc-devel] Bug#984826: tigervnc-standalone-server: Unable to init server: Could not connect: Connection refused

[Matthias Klein]

Package: tigervnc-standalone-server
Version: 1.11.0+dfsg-1
Severity: important

Dear Maintainer,

since the update to version 1.11 the vncserver does not start anymore. Until prior to the update, the server worked with MATE.

My ~/.xstartup file contains the following:
unset SESSION_MANAGER
unset DBUS_SESSION_BUS_ADDRESS
exec /usr/bin/mate-session &
#lxterminal & /usr/bin/lxsession -s LXDE &

Since the update "vncserver --localhost no" terminates with the following message:

Xvnc TigerVNC 1.11.0 - built 2021-02-22 17:19
Copyright (C) 1999-2020 TigerVNC Team and many others (see README.rst)
See https://www.tigervnc.org for information on TigerVNC.
Underlying X server release 12010000, The X.Org Foundation


Mon Mar  8 20:00:18 2021
 vncext:      VNC extension running!
 vncext:      Listening for VNC connections on all interface(s), port 5901
 vncext:      created VNC server for screen 0
3NI3X0 New Xtigervnc server 'WS-MAK:1 (mak)' on port 5901 for display :1.
3NI3X0 Use xtigervncviewer -SecurityTypes VncAuth,TLSVnc -passwd /home/mak/.vnc/passwd WS-MAK:1 to connect to the VNC server.
 ComparingUpdateTracker: 0 pixels in / 0 pixels out
 ComparingUpdateTracker: (1:-nan ratio)
Unable to init server: Could not connect: Connection refused

** (mate-session:11791): WARNING **: 20:00:18.826: Cannot open display:


I also tried to use LXDE as a test. Also there the vncserver does not start anymore.

Xvnc TigerVNC 1.11.0 - built 2021-02-22 17:19
Copyright (C) 1999-2020 TigerVNC Team and many others (see README.rst)
See https://www.tigervnc.org for information on TigerVNC.
Underlying X server release 12010000, The X.Org Foundation


Mon Mar  8 19:55:15 2021
 vncext:      VNC extension running!
 vncext:      Listening for VNC connections on all interface(s), port 5901
 vncext:      created VNC server for screen 0
3NI3X0 New Xtigervnc server 'WS-MAK:1 (mak)' on port 5901 for display :1.
3NI3X0 Use xtigervncviewer -SecurityTypes VncAuth,TLSVnc -passwd /home/mak/.vnc/passwd WS-MAK:1 to connect to the VNC server.
 ComparingUpdateTracker: 0 pixels in / 0 pixels out
 ComparingUpdateTracker: (1:-nan ratio)
** Message: 19:55:15.571: main.vala:101: Session is LXDE
** Message: 19:55:15.571: main.vala:102: DE is (null)
** Message: 19:55:15.571: main.vala:112: No desktop environnement set, fallback to LXDE

(lxsession:10182): Gtk-WARNING **: 19:55:15.572: cannot open display: :1
Unable to init server: Could not connect: Connection refused

(lxterminal:10181): Gtk-WARNING **: 19:55:15.638: cannot open display: :1


When I downgrade with the packages tigervnc-standalone-server_1.10.1+dfsg-9_amd64.deb and tigervnc-common_1.10.1+dfsg-9_amd64.deb the vncserver works again.

Best regards,
Matthias

-- System Information:
Debian Release: bullseye/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 5.10.0-3-amd64 (SMP w/8 CPU threads)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/bash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages tigervnc-standalone-server depends on:
ii  libaudit1                   1:3.0-2
ii  libbsd0                     0.11.3-1
ii  libc6                       2.31-9
ii  libfile-readbackwards-perl  1.05-2
ii  libgcrypt20                 1.8.7-3
ii  libgl1                      1.3.2-1
ii  libgnutls30                 3.7.0-7
ii  libjpeg62-turbo             1:2.0.6-2
ii  libpam0g                    1.4.0-4
ii  libpixman-1-0               0.40.0-1
ii  libselinux1                 3.1-3
ii  libstdc++6                  10.2.1-6
ii  libsystemd0                 247.3-1
ii  libunwind8                  1.3.2-2
ii  libxau6                     1:1.0.9-1
ii  libxdmcp6                   1:1.1.2-3
ii  libxfont2                   1:2.0.4-1
ii  perl                        5.32.1-3
ii  tigervnc-common             1.11.0+dfsg-1
ii  x11-xkb-utils               7.7+5
ii  xauth                       1:1.1-1
ii  xkb-data                    2.29-2
ii  zlib1g                      1:1.2.11.dfsg-2

Versions of packages tigervnc-standalone-server recommends:
ii  libgl1-mesa-dri    20.3.4-1
ii  x11-xserver-utils  7.7+8
ii  xfonts-base        1:1.0.5

Versions of packages tigervnc-standalone-server suggests:
ii  xfonts-100dpi    1:1.0.4+nmu1.1
ii  xfonts-75dpi     1:1.0.4+nmu1.1
ii  xfonts-scalable  1:1.0.3-1.2

-- Configuration Files:
/etc/tigervnc/vncserver.users changed [not included]

-- no debconf information