Public bug reported: How to reproduce (as root) on amd64 host running Ubuntu:
apt-get install -t groovy qemu-user-static mmdebstrap --components="main restricted universe multiverse" --variant=standard --architectures=armhf focal /var/lib/machines/armhf- focal http://ports.ubuntu.com/ubuntu-ports/ systemd-nspawn -D /var/lib/machines/armhf-focal Then I get: Spawning container armhf-focal on /var/lib/machines/armhf-focal. Press ^] three times within 1s to kill container. systemd 245.4-4ubuntu3 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 Ubuntu 20.04 LTS! Set hostname to <armhf-focal>. Failed to enqueue loopback interface start request: Operation not supported Caught <SEGV>, dumped core as pid 3. Exiting PID 1... Container armhf-focal failed with error code 255. This is an upstream issue reported at https://bugs.launchpad.net/qemu/+bug/1886811 Workaround patch is also available at https://bugs.launchpad.net/qemu/+bug/1886811 ** Affects: qemu (Ubuntu) Importance: Undecided Status: New ** Tags: focal groovy -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1887606 Title: armhf focal guest container fails on amd64 host with Failed to enqueue loopback interface start request: Operation not supported To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu/+bug/1887606/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
