Look at this top output: [root@localhost ~]# ps aux |grep vzctl root 20642 0.0 0.0 1832 624 ? D May01 0:00 vzctl stop 188 root 27285 0.0 0.0 1828 648 pts/2 D+ 08:05 0:00 vzctl stop 055 root 28732 0.0 0.0 1868 144 ? D May01 0:00 vzctl: pts/0 root 29278 0.0 0.0 1828 648 pts/4 D+ May01 0:00 /usr/sbin/vzctl set 106 --cpuunits 2000 --cpulimit 0 I noticed by customer that some web was offline. I connected to hardware node of VE by ssh. So I tried a normally stop and start action with vzctl command. Nothing happened. Is very strange. Vzctl command change to a D+ state, uninterruptible sleep I didn't notice any error message in any log system...Anyone has some idea of that? Well, yes, I read some errors in failcnt of VEs. Nothing important I think. All worked well until yesterday. Thanks.