At first I installed ProxMox 3.4-11 on my new server (i7-6700, 32GB Ram) at Hetzner. It worked nice for several days. When I started to add and launch new VMs (Windows XP) it begun crashing:
Previous pveversion:
# pveversion -v
proxmox-ve-2.6.32: 3.4-166 (running kernel: 2.6.32-43-pve)...