Bug#1024160: base: Running XFCE under x2GO fails with grey screen

Graeme Vetterlein

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Nov 15, 2022, 1:20:03 PM11/15/22

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Package: base
Severity: important
X-Debbugs-Cc: none, New Graeme Vetterlein <gra...@real.home>

Dear Maintainer,

This issue is with XFCE (while running under X2GO)

There are details at: https://gitlab.xfce.org/xfce/xfwm4/-/issues/678#note_59619

From another system (kubuntu in this case) create an X2GO session to a
server running Debian SID (see below) , open the session:

Result you are left with grey window (the X root window)

Repeat the same exercise using LXDE, it works fine.

On the Debain Server

# dpkg -i libwnck-3-0_3.36.0-1_amd64.deb
# apt-mark hold libwnck-3-0

Repeat the XFCE session via X2GO, it works fine.

There is a comment in
https://gitlab.gnome.org/GNOME/libwnck/-/issues/154#note_1563621

Suggesting the offending change can be revereted without problem.

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

Kernel: Linux 6.0.0-2-amd64 (SMP w/8 CPU threads; PREEMPT)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8), LANGUAGE=en_GB:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

eve...@libero.it

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Nov 18, 2022, 2:00:03 PM11/18/22

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Can confirm the issue on Debian Testing. Downgrading to version 3.36.0-1 (from Stable) solves the problem.

graeme vetterlein

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Nov 26, 2022, 6:40:03 AM11/26/22

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I realised I did not include the library name and version

in the base text of my original report (it was in links) I keep

checking my version against the "broken" version , so I end up having to

follow links :-(

So the failing version is :

libwnck-3-0:amd64 43.0-2

Bernhard Übelacker

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Dec 10, 2022, 12:10:04 PM12/10/22

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Hello Graeme Vetterlein,
I have reassigned the bug to package libwnck-3-0.

Just later I saw that there was already a release:
Changes:
libwnck3 (43.0-3) unstable; urgency=medium
.
* Backport four upstream commits to fix Xfce X2Go sessions.
(Closes: #1021685, #1025174)

Is your issue fixed with this version?

Kind regards,
Bernhard

Graeme Vetterlein

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Dec 10, 2022, 2:10:05 PM12/10/22

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Indeed it does appear to fix it.

1: Did synaptic update (with libwnck-3-0 still pinned) [many updates
unrelated to this]

2: logout/in via X2GO .. works

3: remove pin from synaptic and apt-mark unhold

4: synaptic update (it updates gir1.2-wnck-3.0 and libwnck-3-0 )

5: Logout/in via x2go ...works

6: reboot

7: Login via x2go ...works

8: login via lightdm ... works

So seems fixed. I'd actually looked at synaptic "latest version"
recently and saw it was 43.0-3 ... but I mentally tagged that was "the
version I had issues with :-( "

For My Information, where could I have watched the upstream commits ?
That might have caused me to notice it sooner?

Dmitry Shachnev

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Dec 11, 2022, 8:30:03 AM12/11/22

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Hi,

On Sat, Dec 10, 2022 at 06:55:14PM +0000, Graeme Vetterlein wrote:
> For My Information, where could I have watched the upstream commits ? That
> might have caused me to notice it sooner?

https://gitlab.gnome.org/GNOME/libwnck/-/commits/master

--
Dmitry Shachnev

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