[pkg-lxc-devel] Bug#843450: Bug#843450: lxc: Corrupt /proc/self/cgroup / Failed to get list of controllers

[Evgeni Golov]

control: reassign -1 libpam-cgfs

Hi Francois,

On Sun, Nov 06, 2016 at 10:00:35AM -0800, Francois Marier wrote:
> Since I upgraded to a 4.8.0 kernel, I get these messages in my logs:
> 
>   Nov  5 18:02:08 hostname PAM-CGFS[6968]: Corrupt /proc/self/cgroup
>   Nov  5 18:05:01 hostname PAM-CGFS[8574]: Corrupt /proc/self/cgroup
>   Nov  5 18:05:01 hostname PAM-CGFS[8574]: Failed to get list of controllers
>   Nov  5 18:05:01 hostname PAM-CGFS[8574]: Corrupt /proc/self/cgroup
>   Nov  5 18:10:01 hostname PAM-CGFS[8612]: Corrupt /proc/self/cgroup
>   Nov  5 18:10:01 hostname PAM-CGFS[8612]: Failed to get list of controllers

Can you please post the outputs of
 cat /proc/1/mountinfo
 cat /proc/self/cgroup

I suspect that with kernel 4.8 systemd mounts th cgroup2 fs instead of
old cgroup and this breaks libpam-cgfs :(

See also https://github.com/lxc/lxc/issues/1280