Bug#964289: systemd-container: armhf countainer cannot be started on amd64 host

[Ryutaroh Matsumoto]

Control: reassign -1 qemu-user-static 1:5.0-5
Control: notforwarded -1

Dear Maintainers of qemu-user-static,

I originally submitted the below cited report to the Debian systemd package.
Michael told me to report this to the upstream.
Then I was told that I should report this to qemu by the upstream at
https://github.com/systemd/systemd/issues/16359#issuecomment-654322002
So I reassign this to the Debian qemu-user-static package.

As far as I see, for the amd64 Debian Bullseye host,

arm64, ppc64 (big endian) work fine as guest systemd-nspawn containers.
armel armhf and powerpc failed to work as guest systemd-nspawn containers.
All of the above guests use Debian Bullseye.
In addition, Debian buster mips (32-bit big endian) works fine as a guest.

Best regards, Ryutaroh Matsumoto



From: Michael Biebl <biebl at debian.org>
Subject: Re: Bug#964289: systemd-container: armhf countainer cannot be started on amd64 host
Date: Sun, 5 Jul 2020 09:59:10 +0200

> Am 05.07.20 um 07:48 schrieb Ryutaroh Matsumoto:
>> Package: systemd-container
>> Version: 245.6-1
>> Severity: normal
>> 
>> Dear Maintainer,
>> 
>> I installed
>> # dpkg-query -W | grep qemu-user-static
>> qemu-user-static	1:5.0-5
>> 
>> Then I built a root directory as
>> 
>> # mmdebstrap --components="main contrib non-free" --architectures=armhf --variant=important bullseye /var/lib/machines/armhf-bullseye
>> 
>> Then 
>> # systemd-nspawn -D /var/lib/machines/armhf-bullseye -a
>> works fine.
>> 
>> But I got the following error and could not start the container...
>> # systemd-nspawn -D /var/lib/machines/armhf-bullseye   -b
>> Spawning container armhf-bullseye on /var/lib/machines/armhf-bullseye.
>> Press ^] three times within 1s to kill container.
>> systemd 245.6-1 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=hybrid)
>> Detected virtualization systemd-nspawn.
>> Detected architecture arm.
>> 
>> Welcome to Debian GNU/Linux bullseye/sid!
>> 
>> Set hostname to <armhf-bullseye>.
>> Failed to enqueue loopback interface start request: Operation not supported
>> Caught <SEGV>, core dump failed (child 3, code=killed, status=11/SEGV).
>> Exiting PID 1...
>> Container armhf-bullseye failed with error code 255.
>> 
>> Best regards, Ryutaroh Matsumoto
>> 
> 
> Hm, I'm not sure if this is supported and supposed to work.
> But you can ask upstream.
> 
> Regards,
> Michael
> 
>