[lxc-users] CGManager and LXCFS causing lxc-start to fail for unprivileged containers

[Serge Hallyn]

Quoting Serge Hallyn (serge.hallyn at ubuntu.com):
> Quoting Akshay Karle (akshay.a.karle at gmail.com):
> > Hey Serge,
> > 
> > Note, just dropping the '-c freezer' argument also will tell pam_cgm.so
> > > to use all controllers.
> > >
> > 
> > That's good to know. Just tried it out, it works. Thanks!
> > 
> > >
> > > The debug info above says lxc is using cgfs and not cgmanager.  Exactly
> > > which lxc package version are you using?
> > >
> > 
> > I'm using lxc 1.1.5. Exact version 1.1.5-0ubuntu5~ubuntu14.04.1~ppa1
> > available from ppa:ubuntu-lxc/stable. Reading through the container start
> > logs I had sent in the previous email I found that it is indeed using
> > cgroupfs driver. Is this the cause of the problem? Should I be running cgfs
> > on trusty to begin with?
> > 
> > Looking at the code of cgroup.c
> > <https://github.com/lxc/lxc/blob/lxc-1.1.5/src/lxc/cgroup.c#L48>, I saw
> > that in the init it checks for HAVE_CGMANAGER macro but I can't seem to
> > figure out where it is being initialized, I'm guessing it should be
> 
> In src/lxc/Makefile.am there is
> 
> if ENABLE_CGMANAGER
> AM_CFLAGS += -DHAVE_CGMANAGER
> endif
> 
> with ENABLE_CGMANAGER coming from configure.ac.
> 
> If you're actually using the binaries from ppa:ubuntu-lxc/stable then
> they will have cgmanager enabled, but if you grabbed the source from
> there and built locally then you need to make sure libcgmanger-dev is
> installed when running configure.

Sorry, somehow my thread view had collapsed and i missed that you'd
already responded to this.  Pls ignore.