- Reconfiguring glibc on that system does run telinit u, but doesn't hang.
- I tested/fixed upgrades from trusty and utopic in schroot a few weeks ago, but libc doesn't do the telinit u thing in chroots, so I missed that.
- I can reproduce that upgrading utopic to vivid in a VM ends up with running systemd. That's clearly not intended.
- Reconfiguring glibc on that system does run telinit u, but doesn't hang.
- I tested/fixed upgrades from trusty and utopic in schroot a few weeks ago, but libc doesn't do the telinit u thing in chroots, so I missed that.
- I can reproduce that upgrading utopic to vivid in a VM ends up with running systemd. That's clearly not intended.