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[Bug 1277466] Re: unprivileged containers fail to start with 1.0.0~beta4-0ubuntu1

To: touch-packages@xxxxxxxxxxxxxxxxxxx
From: ivank <1277466@xxxxxxxxxxxxxxxxxx>
Date: Sat, 23 Aug 2014 05:40:29 -0000
Reply-to: Bug 1277466 <1277466@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

I was seeing the "Permission denied - failed to get real path for [...]"
error on Ubuntu 14.04 with LXC 1.0.5-0ubuntu0.1 and linux-
image-3.13.0-32-generic, and after some fruitless debugging, figured out
I just needed to add +x permission on the container directory itself:

setfacl -m u:100000:x ~/ ~/.local ~/.local/share ~/.local/share/lxc
~/.local/share/lxc/CONTAINER

(It lacked +x because my umask was 007 instead of 002.)

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https://bugs.launchpad.net/bugs/1277466

Title:
  unprivileged containers fail to start with 1.0.0~beta4-0ubuntu1

Status in “lxc” package in Ubuntu:
  Fix Released

Bug description:
  $ lxc-start -n trusty
  lxc_container: Permission denied - failed to get real path for '/home/james/.local/share/lxc/trusty/rootfs'
  lxc_container: failed to mount rootfs
  lxc_container: failed to setup rootfs for 'trusty'
  lxc_container: failed to setup the container
  lxc_container: invalid sequence number 1. expected 2
  lxc_container: failed to spawn 'trusty'

  
  Downgrading to 1.0.0~beta3-0ubuntu1 fixes the problem.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: lxc 1.0.0~beta4-0ubuntu1
  ProcVersionSignature: Ubuntu 3.13.0-7.26-generic 3.13.1
  Uname: Linux 3.13.0-7-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.13.2-0ubuntu2
  Architecture: i386
  CurrentDesktop: Unity
  Date: Fri Feb  7 11:15:30 2014
  InstallationDate: Installed on 2010-10-21 (1205 days ago)
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
  SourcePackage: lxc
  UpgradeStatus: Upgraded to trusty on 2013-11-01 (97 days ago)
  defaults.conf:
   lxc.network.type = veth
   lxc.network.link = lxcbr0
   lxc.network.flags = up
   lxc.network.hwaddr = 00:16:3e:xx:xx:xx

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