Debian 9 Container, sometimes no prompt after logging out.

David Payne

New Member
Mar 4, 2019

I'm testing the Debian 9 container:


I'm having an issue with the console in the Proxmox UI. Sometimes, after logging out of the console, I am unable to log back in again. Here is the first screenshot where I logged out:

If I close the window and open the console again, I get an empty console with just the cursor:


If I have ssh configured I don't have any problem accessing the container via ssh.

Does anyone know how to solve this problem?


Normally the console returns if you press enter. Have you tried this?

Yes, I have tried this. If I press, enter, or any other keys the input shows up in the console, but it does not prompt me for the username or password.
Do you have some ~/.bash_logout scripts? Any error in the syslog?
Is there still the getty process claiming the virtual terminals present? You can list them via

$ ps auxf | grep 1000 -A10

To show container 1000 and its processes but limited to 10 processes
Do you have some ~/.bash_logout scripts? Any error in the syslog?

I didn't add anything to the ~/.bash_logout script that didn't come with the container. I'm only testing. For this container I started it up, logged in and out a few times from the console without doing anything (this worked fine). I then logged in, done an apt-get update/apt-get upgrade. When the upgrade was complete, I tried to log out and the issue occurred.

I was able to reproduce this multiple times. It doesn't happen on every logout, but eventually it does.
I get the following errors in auth.log after logging out with the same symptoms:

agetty[17334]: /dev/pts/1: cannot get controlling tty: Operation not permitted
agetty[17334]: /dev/pts/1: cannot get controlling tty: Operation not permitted
agetty[17334]: /dev/pts/1: cannot set process group: Inappropriate ioctl for device

I can reach the container with lxc-attach, but cannot use xterm,js or any of the other offers in the gui.
It takes a restart of the container to get rid of the issue - until the next logout.
However in some cases this issue does not occur.


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