This section contains issues related to LXC containers only.
LXC container issues
Issue – a Proxmox node hangs when trying to stop or restart an LXC container
This has been an issue since the initial release of Proxmox VE 4.0. Due to a bug when shutdown, stop, or restart was initiated for LXC container from GUI, the node itself became unusable and all network connectivity was lost. The only way to come out of it was to reboot the entire node. In consecutive later releases, this issue has been addressed and patched by Proxmox developers. If you are in Proxmox 4.0, an immediate upgrade to 4.1 or later is highly recommended.