Bug#999451: kwin-x11: drawing windows is delayed making reading and typing tedious
Hi Paul,
Can you check whether
Start compositor on startup
is selected in the Plasma settings?
Thanks
Norbert
--
PREINING Norbert https://www.preining.info
Fujitsu + IFMGA ProGuide + TU Wien + TeX Live + Debian Dev
GPG: 0x860CDC13 fp: F7D8 A928 26E3 16A1 9FA0 ACF0 6CAC A448 860C DC13
Nov 11, 2021 17:39:23 Paul Gevers <elbrus@debian.org>:
> Package: kwin-x11
> Version: 4:5.23.2-1
> Severity: important
>
> Dear maintainers,
>
> First off, thanks for maintaining KDE in Debian, I enjoy using it.
>
> Since a recent upgrade (after the issues we had with only half (or
> less) of the stack migrating to testing) I'm experiencing issues with
> drawing of windows. The issue is that it seems that windows
> (e.g. konsole) are only drawn after some delay or after switching back
> and forth to another window. Especially the cursor position is often
> at a different place that it shows, making typing mistakes very
> difficult to correct. Also e.g. scrolling through messages in
> Thunderbird is difficult, as the window is only properly refreshed
> after I stop scrolling, until then the window is messed up. I tried to
> make a screen shot of the situation, but it seems that also the
> screenshot tool (Spectacle) ensures that the window is properly
> refresh the moment it takes the screenshot. The issue is less of a
> problem in Emacs, as that seems to force the refresh by itself much
> more often (although I do see glitches with the cursor jumping).
>
> I'm aware that the issue may not be with kwin, but it's the package I
> thought of first, please reassign if you think the issue is more
> likely to be elsewhere. Also please let me know if I can provide you
> with more information to help solve the issue.
>
> My system is an up-to-date testing environment. I delayed reporting
> this issue in the hope that it was caused by other to-be-migrated
> packages from unstable, but the issue is annoying me now for more than
> a week (I estimate) and I have no clue which package from unstable I
> should be looking out for.
>
> Paul
>
>
> -- System Information:
> Debian Release: bookworm/sid
> APT prefers testing
> APT policy: (990, 'testing'), (500, 'unstable'), (1, 'experimental')
> Architecture: amd64 (x86_64)
>
> Kernel: Linux 5.14.0-2-amd64 (SMP w/8 CPU threads)
> Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US:en
> Shell: /bin/sh linked to /usr/bin/dash
> Init: systemd (via /run/systemd/system)
> LSM: AppArmor: enabled
>
> Versions of packages kwin-x11 depends on:
> ii kwin-common 4:5.23.2-1
> ii libc6 2.32-4
> ii libepoxy0 1.5.9-2
> ii libgcc-s1 11.2.0-10
> ii libkf5configcore5 5.86.0-1
> ii libkf5coreaddons5 5.86.0-1
> ii libkf5crash5 5.86.0-1
> ii libkf5i18n5 5.86.0-1
> ii libkf5quickaddons5 5.86.0-1
> ii libkf5windowsystem5 5.86.0-1
> ii libkwaylandserver5 [libkwaylandserver5-5.23] 5.23.2-1
> ii libkwineffects13 4:5.23.2-1
> ii libkwinglutils13 4:5.23.2-1
> ii libkwinxrenderutils13 4:5.23.2-1
> ii libqt5core5a 5.15.2+dfsg-12
> ii libqt5dbus5 5.15.2+dfsg-12
> ii libqt5gui5 5.15.2+dfsg-12
> ii libqt5widgets5 5.15.2+dfsg-12
> ii libqt5x11extras5 5.15.2-2
> ii libstdc++6 11.2.0-10
> ii libx11-6 2:1.7.2-2+b1
> ii libxcb-composite0 1.14-3
> ii libxcb-keysyms1 0.4.0-1+b2
> ii libxcb-randr0 1.14-3
> ii libxcb-render0 1.14-3
> ii libxcb-shape0 1.14-3
> ii libxcb-xfixes0 1.14-3
> ii libxcb1 1.14-3
> ii libxi6 2:1.8-1
>
> kwin-x11 recommends no packages.
>
> kwin-x11 suggests no packages.
>
> -- no debconf information
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