[Bug 930652] [NEW] lxc & swapoff: Not superuser

[Andy Igoshin]

Public bug reported:

inside the container during poweroff process i get such error:

 * Deactivating swap...
swapoff: Not superuser.                    [fail]

---------------------------------------------------------------------------
root at relay1:~# lsb_release -rd
Description: Ubuntu 11.10
Release: 11.10

root at relay1:~# apt-cache policy lxc
lxc:
  Installed: 0.7.5-0ubuntu8.3
  Candidate: 0.7.5-0ubuntu8.3
  Version table:
 *** 0.7.5-0ubuntu8.3 0
        500 http://ru.archive.ubuntu.com/ubuntu/ oneiric-updates/universe amd64 Packages
        100 /var/lib/dpkg/status
     0.7.5-0ubuntu8 0
        500 http://ru.archive.ubuntu.com/ubuntu/ oneiric/universe amd64 Packages

---------------------------------------------------------------------------
root at relay1:~# lxc-start -n sbc

Ubuntu 11.10 sbc /dev/console

sbc login: root
Password:
Last login: Sat Feb 11 10:52:03 UTC 2012 on tty1
Welcome to Ubuntu 11.10 (GNU/Linux 3.0.0-15-server x86_64)

 * Documentation:  https://help.ubuntu.com/11.10/serverguide/C
root at sbc:~# poweroff

Broadcast message from root at sbc
        (/dev/console) at 14:05 ...

The system is going down for power off NOW!
root at sbc:~#  * Asking all remaining processes to terminate...            [ OK ]
 * All processes ended within 1 seconds....                              [ OK ]
 * Deconfiguring network interfaces...                                   [ OK ]
 * Deactivating swap...                                                         swapoff: Not superuser.
                                                                         [fail]
 * Unmounting weak filesystems...                                        [ OK ]
umount: /var/run: not mounted
mount: / is busy
 * Will now halt

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

** Description changed:

  inside the container during poweroff process i get such error:
  
-  * Deactivating swap...                                                         swapoff: Not superuser.
-                                                                          [fail]
+  * Deactivating swap...
+ swapoff: Not superuser.                    [fail]
  
- 
- --------------------------------------------------------------------------------------
+ ---------------------------------------------------------------------------
  root at relay1:~# lsb_release -rd
  Description: Ubuntu 11.10
  Release: 11.10
  
  root at relay1:~# apt-cache policy lxc
  lxc:
-   Installed: 0.7.5-0ubuntu8.3
-   Candidate: 0.7.5-0ubuntu8.3
-   Version table:
-  *** 0.7.5-0ubuntu8.3 0
-         500 http://ru.archive.ubuntu.com/ubuntu/ oneiric-updates/universe amd64 Packages
-         100 /var/lib/dpkg/status
-      0.7.5-0ubuntu8 0
-         500 http://ru.archive.ubuntu.com/ubuntu/ oneiric/universe amd64 Packages
+   Installed: 0.7.5-0ubuntu8.3
+   Candidate: 0.7.5-0ubuntu8.3
+   Version table:
+  *** 0.7.5-0ubuntu8.3 0
+         500 http://ru.archive.ubuntu.com/ubuntu/ oneiric-updates/universe amd64 Packages
+         100 /var/lib/dpkg/status
+      0.7.5-0ubuntu8 0
+         500 http://ru.archive.ubuntu.com/ubuntu/ oneiric/universe amd64 Packages
  
- --------------------------------------------------------------------------------------
+ ---------------------------------------------------------------------------
  root at relay1:~# lxc-start -n sbc
  
  Ubuntu 11.10 sbc /dev/console
  
  sbc login: root
- Password: 
+ Password:
  Last login: Sat Feb 11 10:52:03 UTC 2012 on tty1
  Welcome to Ubuntu 11.10 (GNU/Linux 3.0.0-15-server x86_64)
  
-  * Documentation:  https://help.ubuntu.com/11.10/serverguide/C
+  * Documentation:  https://help.ubuntu.com/11.10/serverguide/C
  root at sbc:~# poweroff
  
  Broadcast message from root at sbc
-         (/dev/console) at 14:05 ...
+         (/dev/console) at 14:05 ...
  
  The system is going down for power off NOW!
- root at sbc:~#  * Asking all remaining processes to terminate...            [ OK ] 
-  * All processes ended within 1 seconds....                              [ OK ] 
-  * Deconfiguring network interfaces...                                   [ OK ] 
-  * Deactivating swap...                                                         swapoff: Not superuser.
-                                                                          [fail]
-  * Unmounting weak filesystems...                                        [ OK ] 
+ root at sbc:~#  * Asking all remaining processes to terminate...            [ OK ]
+  * All processes ended within 1 seconds....                              [ OK ]
+  * Deconfiguring network interfaces...                                   [ OK ]
+  * Deactivating swap...                                                         swapoff: Not superuser.
+                                                                          [fail]
+  * Unmounting weak filesystems...                                        [ OK ]
  umount: /var/run: not mounted
  mount: / is busy
-  * Will now halt
+  * Will now halt

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https://bugs.launchpad.net/bugs/930652

Title:
  lxc & swapoff: Not superuser

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