On 09/07/18 21:45, Christian Brauner wrote: > On Mon, Jul 09, 2018 at 02:08:03AM +1200, Richard Hector wrote: >> Hi all, >> >> I'm seeing this in auth.log on an lxc host (no lxd). >> >> "PAM-CGFS[xxx]: Failed to get list of controllers" >> >> This is on a host I didn't set up; I've inherited maintenance for it, >> and recently added logcheck. >> >> On another host, which I did set up, I don't see that. I have noticed >> that the problem host has libpam-cgfs installed, whereas the other one >> doesn't. >> >> Both hosts are running Debian stretch, and IIRC both were upgraded from >> jessie. >> >> Any tips on what's causing this, and whether it's a problem? > > So, first of all let's determine if you need the pam module at all. :) > - Do you run unprivileged containers as an unprivileged user on the > affected host? If not, you can remove the pam module. > - What version is the package the pam module is installed from. It might > just be that it can't really handle the empty unified cgroup hierarchy > because it is too old.
Apologies for not replying at the time - I just found this again ... I believe I solved it by removing libpam-cgfs. Thanks for your help :-) Richard
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