weird console access to qemu VM (proxmox 3-4.13)

[olibrigus]

Hi,

I have a qemu VM running ubuntu server. (I should have choosen openvz...).

When I open a console with web interface (no vnc) I can't write anything. It looks like ctrl+alt+F8 but no a valid tty.

Could you help.

A picture for better understanding: goo.gl/e8GVCY