Guest is Hirsute to have
libc6:s390x 2.33-0ubuntu5 s390x
The following (not optimized for speed but readability) gives us a
simple environment-matrix for comparisons:
for r in xenial bionic focal groovy hirsute; do
uvt-simplestreams-libvirt --verbose sync --source
http://cloud-images.ubuntu.com/daily arch=s390x label=daily release=${r};
uvt-kvm create --host-passthrough --password=ubuntu ${r}-test-nspawn
release=${r} arch=s390x label=daily;
uvt-kvm wait ${r}-test-nspawn
uvt-kvm ssh ${r}-test-nspawn "sudo apt update"
uvt-kvm ssh ${r}-test-nspawn "sudo apt upgrade -y"
uvt-kvm ssh ${r}-test-nspawn "wget
https://cloud-images.ubuntu.com/hirsute/current/hirsute-server-cloudimg-s390x-root.tar.xz";
uvt-kvm ssh ${r}-test-nspawn "mkdir h"
uvt-kvm ssh ${r}-test-nspawn "sudo tar -xzf
hirsute-server-cloudimg-s390x-root.tar.xz -C h";
uvt-kvm ssh ${r}-test-nspawn "sudo apt install -y systemd-container"
uvt-kvm ssh ${r}-test-nspawn "sudo reboot";
sleep 5s
uvt-kvm wait ${r}-test-nspawn
done
Test (as before) is:
$ cd h
$ sudo systemd-nspawn
$ bash -c 'test -x /usr/bin/gpg || echo Fail'
Out of that I can confirm (and further limit releases to just bionic) that on
s390x we have:
Xenial - 4.4.0-210/229-4ubuntu21.31 - works
Bionic - 4.15.0-142/237-3ubuntu10.46 - fails
Focal - 5.4.0-72/245.4-4ubuntu3.6 - works
Groovy - 5.8.0-50/246.6-1ubuntu1.3 - works
Hirsute - 5.11.0-16/247.3-3ubuntu3 - works
Next I split the Bionic case to for a few usual suspects (kernel/systemd/glibc):
Already on step #1 Kernel I found something:
Bionic - 4.15.0-142/237-3ubuntu10.46 - fails
Bionic - 5.4.0-72/237-3ubuntu10.46 - works
Ok so the new kernel fixes it (whatever it is) so what about things in proposed
already:
There is a new 4.15 kernel and a new systemd
Bionic - 4.15.0-143/237-3ubuntu10.47 - fails
So none of the builds in proposed has the fix, but something between
4.15 and 5.4 kernels fixes it. That might also be the reason why the
other releases are fine - the kernel levels are either >=5.4 (fixed) or
<4.15 (not having the issue).
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https://bugs.launchpad.net/bugs/1916485
Title:
test -x fails inside shell scripts in containers
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