[X2Go-Dev] Bug#1595: Bug#1595: Performance degradation with XFCE compositor

[Randy Goldenberg]

See https://wiki.x2go.org/doku.php/doc:de-compat.

On Wed, Jan 25, 2023 at 1:47 AM Richard Grosman <robert.grolms at gmail.com> wrote:
>
> Package: x2goclient-4.1.2.2-2020.02.13-setup.exe
> Version: 4.1.2.2
>
> Dear developers, bringing this to your attention, I experienced the following myself:
>
> Title: x2go "smearing" windows and extremely slow
> Link: https://bbs.archlinux.org/viewtopic.php?id=268985
>
> Client machine's OS name: Microsoft Windows 10 Pro
> Client machine's OS version: 10.0.19045 N/A Build 19045
> Client machine's version of X2GoClient: 4.1.2.2
> Relevant settings: Session type XFCE (else using default connection, input/output and media session preferences)
> Server's OS: CentOS Stream release 8
> Server's version of the x2goserver package: 4.1.0.3-17.el8.1 (@epel)
> Server's version of the x2goserver-xsession package: 4.1.0.3-17.el8.1 (@epel)
> Server's version of the nxagent package: 3.6.x
> Server's version of any other relevant packages:
> xfce-polkit.x86_64  0.3-3.el8
> xfce4-appfinder.x86_64 4.16.1-3.el8
> xfce4-panel.x86_64 4.16.3-1.el8
> xfce4-power-manager.x86_64 4.16.0-1.el8
> xfce4-pulseaudio-plugin.x86_64 0.4.3-3.el8
> xfce4-screensaver.x86_64 4.16.0-3.el8
> xfce4-session.x86_64 4.16.0-4.el8
> xfce4-settings.x86_64 4.16.5-2.el8
> xfce4-terminal.x86_64 0.8.10-2.el8
> xfconf.x86_64 4.16.0-1.el8
>
> Steps to reproduce:
> 1. Have an updated CentOS Stream release 8 server running (e.g. a KVM) with the latest EPEL Repo, x2goserver-xsession packages and 'Xfce' as dnf groupinstall'ed with -y flag.
> 2. Have an updated Windows 10 Pro client machine running with the latest x2goclient version, configured to ssh on port 22 to 1. with a RSA/DSA key, auto login via SSH Agent or default SSH key on and a shared folder without filename encoding, but automount and 'use ssh to tunnel filesystem through firewalls' checked.
> 3. Start a session and experience "smearing" windows, loading and rendering extremely slow when moving them around
> 4. In the session go to Applications > Settings > Window Manager Tweaks > Compositor
> 5. Turn off 'Enable display compositing' and close the window. Performance and rendering rather match the preferences now.
>
> Merry X-Mas and have a good day!
>
> Best regards,
>
> Robert
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