Hello, I've been testing LXC 1.1-rc1 on a Debian jessie system. Specifically, since all the pieces are now in place to support systemd in unprivileged containers, I've been testing running Debian jessie within an unprivileged container.
The jessie container successfully starts (there are some errors along the way, but that's another issue), and I can do a `lxc-attach`, add a user and log in. However, if I run `top` within the container I only get two lines of output: top - 00:13:25 up 4 min, 0 users, load average: 0.01, 0.05, 0.05 Tasks: 10 total, 1 running, 9 sleeping, 0 stopped, 0 zombie Furthermore, the host system breaks spectacularly: lxc@lxc:~$ top Error, do this: mount -t proc proc /proc lxc@lxc:~$ /sbin/ifconfig Warning: cannot open /proc/net/dev (No such file or directory). Limited output. lxc@lxc:~$ mount mount: failed to read mtab: No such file or directory lxc@lxc:~$ df df: cannot read table of mounted file systems: No such file or directory lxc@lxc:~$ sudo reboot Running in chroot, ignoring request. It seems that /proc is being unmounted somehow on the host. I can re-mount /proc on the host, and things seem to work again. (I haven't tested too much after re-mounting, instead opting to just reboot the host back to a known good state.) Any idea what is causing this to happen? I have also tried running Ubuntu Vivid as an unprivileged container and see the same results. I have not yet tried a different Linux distro for the host system. Host system details: Debian jessie with kernel 3.16.7-ckt2-1 x86_64, systemd-215, LXC-1.1-rc1 and lxcfs built from current git checkout, cgmanager-0.35 as packaged from the sid repository. Thanks for any ideas, Mathias
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