I have a C6 server acting as a kvm-host. When connecting with ssh the console is extremely slow and hangs for minutes at a time. Connecting to this server is not the problem. If I use: ssh root at host "whatever" I got immediate response even when interactive consoles opened with ssh are hanging. Linux [...] 2.6.32-504.3.3.el6.x86_64 #1 SMP Wed Dec 17 01:55:02 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux total used free shared buffers cached Mem: 47 35 11 0 0 0 -/+ buffers/cache: 35 11 Swap: 7 0 7 Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg-lv_root 50G 6,4G 41G 14% / tmpfs 24G 0 24G 0% /dev/shm /dev/sda1 477M 123M 329M 28% /boot 13:33:34 up 1 day, 18:30, 2 users, load average: 3.39, 2.53, 2.36 (it's an 8-core) Nothing particular in log/messages. The vm's are running normally and they are not showing the same behaviour. Can anybody give me a pointer? Thanks Patrick