[pkg-lxc-devel] Bug#823864: Bug#823864: libpam-cgfs: installing libpam-cgfs from backport on stable prevent session from opening

Evgeni Golov evgeni at golov.de
Tue May 24 20:42:09 UTC 2016


Hi Xavier,

On Thu, May 19, 2016 at 01:27:58PM +0200, Xavier Quost wrote:
> Sorry for this late answer.

No worries, my time is limited too and I also answer slowly ;)

> > Could you still provide stippets of auth.log and messages around that
> > time? Just to crosscheck.

[ nothing suspicious ]

> > Do you mean you have other Jessie systems where libpam-cgfs does not
> > trigger this behaviour?
> Yes, but on those systems, there was no attempt to install lxc
> 
> > Do you by any chance have SELinux or AppArmor enabled on these boxes?
> Yes, apparmor comes as a requirement of lxc

It's only a recommends (and was even droped to suggests in Sid now). You can safely deinstall it. Does that change anything?

> What would be the following steps ?

I'm still trying to reproduce this in my setup, but can't :/

So far I have tried the following combinations:
jessie + libpam-cgfs 2.0
jessie + libpam-cgfs 2.0 + lxc 2.0 + lxcfs 2.0
jessie + libpam-cgfs 2.0 + lxc 2.0 + lxcfs 2.0 + apparmor
jessie + libpam-cgfs 2.0 + lxc 2.0 + lxcfs 2.0 + apparmor + linux-image-4.5
jessie + libpam-cgfs 2.0 + lxc 2.0 + lxcfs 2.0 + apparmor + linux-image-4.5 + cgroup-*

all of them allow ssh and console logins for root and a user just fine.

Any pointers how to reproduce your setup would be awesome.

Greets
Evgeni



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