[root@openvz~]# vzctl chkpnt 101 --suspend
Setting up checkpoint...
        suspend...
Can not suspend VE: Device or resource busy
SYSV msgqueues are not supported, found 1
Checkpointing failed
[root@openvz~]# vzctl enter 101
entered into VE 101
[root@ve101 /]# ipcs

------ Shared Memory Segments --------
key        shmid      owner      perms      bytes      nattch     status      

------ Semaphore Arrays --------
key        semid      owner      perms      nsems     
0x00000000 32768      apache    600        1         
0x00000000 65537      apache    600        1         
0x00000000 98306      apache    600        1         

------ Message Queues --------
key        msqid      owner      perms      used-bytes   messages    
0x31103f48 0          root       666        0            0           

[root@ve101 /]#