Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: gnome-remote-desktop (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1970139
Title:
VNC Connection doesn't work on arm64 (Raspberry Pi 4 8Gb) in Ubuntu
22.04 LTS
Status in gnome-remote-desktop package in Ubuntu:
Confirmed
Bug description:
# lsb_release -rd
Description: Ubuntu 22.04 LTS
Release: 22.04
# apt-cache policy gnome-remote-desktop
gnome-remote-desktop:
Instalados: 42.0-4ubuntu1
Candidato: 42.0-4ubuntu1
Tabla de versión:
*** 42.0-4ubuntu1 500
500 http://ports.ubuntu.com/ubuntu-ports jammy/main arm64 Packages
100 /var/lib/dpkg/status
# uname -a
Linux fpgrpi 5.15.0-1005-raspi #5-Ubuntu SMP PREEMPT Mon Apr 4 12:21:48 UTC
2022 aarch64 aarch64 aarch64 GNU/Linux
Summary of the bug:
-------------------
When I try to connect to gnome-remote-desktop using VNC to a Raspberry Pi 4
Model B Rev 1.4 (8Gb) under Ubuntu 22.04 LTS the VNC client can't connect
(connection is refused). The connection passes the Password check validation
but don't connect (sometimes shows screen garbage before disconnecting).
I've used several VNC clients (Remmina in Ubuntu and Real VNC in
Android) getting the same problem failing either in X11 or Wayland.
Notes:
- VNC connection does work in in previous Ubuntu 21.10 version with the same
architecture (arm64) and same Raspberry Pi.
- VNC connection also does work in amd64 machines with Ubuntu 22.04 LTS and
gnome-remote-desktop 42.0-4ubuntu1, exactly the same software version that
doesn't work on arm64 (Raspberry Pi).
There is no apport info at all. Also there is almost no info in the
journal regarding this problem. When I try to connect to VNC server it
show this:
On Wayland:
-----------
abr 25 00:21:42 fpgrpi kernel: vc4-drm gpu: swiotlb buffer is full (sz:
1884160 bytes), total 32768 (slots), used 3 (slots)
abr 25 00:21:42 fpgrpi kernel: vc4-drm gpu: swiotlb buffer is full (sz:
4169728 bytes), total 32768 (slots), used 3 (slots)
abr 25 00:21:42 fpgrpi kernel: vc4-drm gpu: swiotlb buffer is full (sz:
8130560 bytes), total 32768 (slots), used 83 (slots)
abr 25 00:21:42 fpgrpi kernel: vc4-drm gpu: swiotlb buffer is full (sz:
8294400 bytes), total 32768 (slots), used 3 (slots)
abr 25 00:21:42 fpgrpi kernel: vc4-drm gpu: swiotlb buffer is full (sz:
8294400 bytes), total 32768 (slots), used 3 (slots)
abr 25 00:21:42 fpgrpi kernel: vc4-drm gpu: swiotlb buffer is full (sz:
8294400 bytes), total 32768 (slots), used 3 (slots)
abr 25 00:21:42 fpgrpi kernel: vc4-drm gpu: swiotlb buffer is full (sz:
8294400 bytes), total 32768 (slots), used 3 (slots)
abr 25 00:21:43 fpgrpi systemd[1381]: gnome-remote-desktop.service: Main
process exited, code=killed, status=11/SEGV
abr 25 00:21:43 fpgrpi systemd[1381]: gnome-remote-desktop.service: Failed
with result 'signal'.
abr 25 00:21:43 fpgrpi gnome-shell[1497]: D-Bus client with active sessions
vanished
abr 25 00:21:43 fpgrpi systemd[1381]: gnome-remote-desktop.service: Scheduled
restart job, restart counter is at 1.
abr 25 00:21:43 fpgrpi systemd[1381]: Stopped GNOME Remote Desktop.
abr 25 00:21:43 fpgrpi systemd[1381]: Starting GNOME Remote Desktop...
abr 25 00:21:43 fpgrpi systemd[1381]: Started GNOME Remote Desktop.
abr 25 00:21:43 fpgrpi gnome-remote-desktop-daemon[2125]: Cannot load
libcuda.so.1
abr 25 00:21:43 fpgrpi gnome-remote-desktop-daemon[2125]: Cannot load
libnvidia-encode.so.1
abr 25 00:21:43 fpgrpi gnome-remote-de[2125]: RDP server started
abr 25 00:21:43 fpgrpi gnome-remote-de[2125]: VNC server started
On X11:
-------
abr 25 00:12:18 fpgrpi systemd[2859]: gnome-remote-desktop.service: Main
process exited, code=killed, status=11/SEGV
abr 25 00:12:18 fpgrpi gnome-shell[3044]: D-Bus client with active sessions
vanished
abr 25 00:12:18 fpgrpi systemd[2859]: gnome-remote-desktop.service: Failed
with result 'signal'.
abr 25 00:12:18 fpgrpi systemd[2859]: gnome-remote-desktop.service: Scheduled
restart job, restart counter is at 19.
abr 25 00:12:18 fpgrpi systemd[2859]: Stopped GNOME Remote Desktop.
abr 25 00:12:18 fpgrpi systemd[2859]: Starting GNOME Remote Desktop...
abr 25 00:12:18 fpgrpi systemd[2859]: Started GNOME Remote Desktop.
abr 25 00:12:19 fpgrpi gnome-remote-desktop-daemon[23876]: Cannot load
libcuda.so.1
abr 25 00:12:19 fpgrpi gnome-remote-desktop-daemon[23876]: Cannot load
libnvidia-encode.so.1
abr 25 00:12:19 fpgrpi gnome-remote-de[23876]: RDP server started
abr 25 00:12:19 fpgrpi gnome-remote-de[23876]: VNC server started
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