Bug#1111511: /usr/bin/systemctl: systemctl: accesses the terminal wrong, blinking lines under GNU screen

[Luca Boccassi]

Control: tags -1 upstream
Control: close -1

On Mon, 18 Aug 2025 19:20:19 +0000 Thorsten Glaser <tg at mirbsd.de>
wrote:
> Package: systemd
> Version: 257.7-1
> Severity: minor
> File: /usr/bin/systemctl
> X-Debbugs-Cc: tg at mirbsd.de
> 
> sudo systemctl list-units (or sudo env LC_ALL=C systemctl list-units)
> randomly shows some lines underlined (in a bare xterm + ssh) or
> underlined-and-blinking (if I also start GNU screen either inside
> or outside the ssh).
> 
> TERM=xterm or screen, respectively.
> 
> e.g. sys-subsystem-net-devices-eth0.device is in normal colour and
> not underlined and blinking while sys-subsystem-net-devices-
eth1.device
> is but all other columns between these two are identical.
> 
> (This is a test VM, starting out as bookworm nocloud image but
> upgraded to trixie and configured around a bit, and yes I did
> include net.ifnames=0 and installed ifupdown.)
> 
> Others are proc-sys-fs-binfmt_misc.automount, tmp.mount,
> systemd-ask-password-wall.path, session-3.scope (but again
> not session-1.scope), …

Please report this upstream
at https://github.com/systemd/systemd/issues as there are no
customizations for graphical output here.