Subject: Re: [vserver] New kernel 4.9.159-vs2.3.9.8 problem...
From: Herbert Poetzl <herbert@13thfloor.at>
Date: Sun, 7 Feb 2021 04:54:09 +0100

On Sat, Feb 06, 2021 at 10:30:49PM +0100, Sam Przyswa wrote:
> Hi,

Hey Sam,

> I upgraded to a Debian 4.9.159-vs2.3.9.8 Linux kernel and since
> when I start a vserver I lose the /boot, /proc mounts on the
> host machine but the vserver keeps running, do you have any
> idea ?

This sounds like the namespace unsharing doesn't work
correctly and the cleanup then done by the tools wipe
out your host mounts instead of the ones from the guest
namespace.

Double check that the namespace unsharing works as
expected and the tools use it properly.

Best,
Herbert

> Thank you in advance.
> Sam.