Odd, intermittent vertical and horizontal cascading `user@qube:~$` when launching xterm

Sometimes when I launch xterm in a qube I see this in the new window:

user
sser
eser
rser
@ser
tser
eser
sser
tser
vser
mser
:ser
~ser
$ser
user@testvm:~$

It seems to be harmless but it is strange. Do others observe this sometimes? I feel like I’ve seen a note about it somewhere before but it’s difficult to search for.

i’ve never seen it.
What Qubes OS version and what template do you have?

I sometimes get the same output.

  • Up-to-date Qubes 4.2. I’ve seen it since the 4.2 RCs when I first began using Qubes, so perhaps it happens in earlier versions too.
  • It seems to happen randomly on any qube or template.

For example:

user
sser
eser
rser
@ser
dser
eser
bser
iser
aser
nser
-ser
1ser
2ser
-ser
xser
fser
cser
eser
:ser
~ser
$ser
user@debian-12-xfce:~$