Bug#948675: remmina-plugin-vnc: graphic errors and high CPU usage on VNC since 1.3.10

[Christoph Anton Mitterer <calestyo@scientia.net>]

Package: remmina-plugin-vnc
Version: 1.3.10+dfsg-1
Severity: important


Hi.

When using 1.3.10+dfsg-1 with VNC I see permanent high CPU utilisation
~30-40% and in at least some cases strange graphical disturbances (see
the attached example images... interestingly this doesn't seem to happen
at all windows/programs.

Downgrading to 1.3.6 fixes the issue.

Cheers,
Chris


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

Kernel: Linux 5.2.0-3-amd64 (SMP w/4 CPU cores)
Kernel taint flags: TAINT_UNSIGNED_MODULE
Locale: LANG=en_DE.UTF-8, LC_CTYPE=en_DE.UTF-8 (charmap=UTF-8), LANGUAGE=en_DE.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages remmina-plugin-vnc depends on:
ii  libc6               2.29-9
ii  libcairo2           1.16.0-4
ii  libgdk-pixbuf2.0-0  2.40.0+dfsg-2
ii  libglib2.0-0        2.62.4-1
ii  libgtk-3-0          3.24.13-1
ii  libvncclient1       0.9.12+dfsg-7
ii  remmina             1.3.10+dfsg-1

remmina-plugin-vnc recommends no packages.

remmina-plugin-vnc suggests no packages.

-- no debconf information

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Description: PNG image

Attachment: remmina_schliemann.scientia.net_schliemann_2020111-191243,802122.png
Description: PNG image