NoMachine disconnecting and logging out

[busfactor]

Hello,

I started using NoMachine to access virtual machines in my home lab. I have an issue: it suddenly “disconnects” and I can’t find a reason.

I can’t find a way to reproduce the issue, but this is how it usually goes:

1. I am using the VM normally.
2. The screen freezes, and I can move the mouse but I can’t click or type.
3. A few seconds later it jumps back to the Debian login page.

Every time this occurs I lose everything I was working on because it logs me out, which closes every window.

I have tested if it disconnects because of a lack of resources (memory or CPU), but it doesn’t seem to be the reason. Both are close to each other, wired to the router, and in the same network. I wouldn’t say it’s connection issues.

There are two questions I’d like to make:

1. Does anyone know anything I could try that would help me find the root cause?
2. Is there a way to log into existing sessions using NoMachine, so that when I get logged out I don’t lose everything? It seems NoMachine logs out because it lost connection.

Details:

• Both are using NoMachine 8.6.1
• The client is a MacOS (latest)
• The server is Parrot OS (Debian 11)

[Britgirl]

It looks similar to this problem:

Xorg crashes after certain events sequence
https://www.nomachine.com/TR07U10939

Please check if setting the following key in node.cfg helps:

DisplayServerExtraOptions "-eventdelay 0"

 

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