[Bug 1413927] [NEW] lxc_cgmanager_enter: 694 call to cgmanager_move_pid_sync failed: invalid requestUser container fails to start:

[Martin Pitt]

Public bug reported:

I wanted to test the new lxc with lxcfs. A system container (with
upstart or systemd) works perfectly well now (great!), but user
containers regressed:

$ lxc-create -n v1 -t download -- -d ubuntu -r vivid -a amd64
$ lxc-start -n v1  -F 
lxc-start: cgmanager.c: lxc_cgmanager_enter: 694 call to cgmanager_move_pid_sync failed: invalid request
lxc-start: start.c: __lxc_start: 1099 failed to spawn 'v1'
lxc-start: lxc_start.c: main: 345 The container failed to start.

My host is running systemd, but cgmanager is running (i. e. it's not bug
1400394, I enabled cgmanager.service).

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: lxc 1.1.0~rc1-0ubuntu1
ProcVersionSignature: Ubuntu 3.18.0-9.10-generic 3.18.2
Uname: Linux 3.18.0-9-generic x86_64
ApportVersion: 2.15.1-0ubuntu2
Architecture: amd64
CurrentDesktop: Unity
Date: Fri Jan 23 10:35:55 2015
EcryptfsInUse: Yes
InstallationDate: Installed on 2014-11-20 (63 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Alpha amd64 (20141119)
SourcePackage: lxc
UpgradeStatus: No upgrade log present (probably fresh install)
defaults.conf:
 lxc.network.type = veth
 lxc.network.link = lxcbr0
 lxc.network.flags = up
 lxc.network.hwaddr = 00:16:3e:xx:xx:xx
lxc.conf: lxc.lxcpath = /srv/lxc

** Affects: lxc (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apparmor apport-bug vivid

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Title:
  lxc_cgmanager_enter: 694 call to cgmanager_move_pid_sync failed:
  invalid requestUser container fails to start:

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