On Thu, 12 Mar 2026, Tim Woodall wrote:
When I do the following on every debian distribution from jessie to trixie I
get the following:
/sbin/chroot . /bin/bash -il
root@dirac:~# tty
tty
not a tty
but everything works. Bash history (up arrow), vim editing.
In a sid chroot arrow keys don't work and:
root@dirac:/# vi x.x
Vim: Warning: Output is not to a terminal
Vim: Warning: Input is not from a terminal
There's some complications:
I'm using unshare to fake root:
This backgrounds the namespace:
unshare --user --mount --pid --fork --map-users=auto --map-groups=auto
--setuid 0 --setgid 0 -- /bin/bash --rcfile /mnt/build/.bashrc.lxc -c
"/usr/sbin/init" &
And this enters it.
nsenter --user --mount --pid -t $enterpid /bin/bash --rcfile ~/.bashrc.lxc
and the sid chroot is a s390x image where I'm using qemu emulation.
This seems to be the problem. I setup the same sid chroot but on amd64
and everything works as I expect.
This seems to be a regression somewhere between bookworm and sid on
s390x.
Tim.
