[Pkg-utopia-maintainers] Bug#1031539: network-manager: NM since 1.42.0-1 overwrites pre-existing dns-search entries

[Christoph Anton Mitterer]

Hey Michael.

On Sat, 2023-02-18 at 09:04 +0100, Michael Biebl wrote:
> It doesn't "clear out" pre-existing dns-search entries, but no longer
> adds one set via /etc/network/interfaces.

btw: I've noticed that network manager's dns-search option (which I've
used now) seems to behave a bit different from how it's described in
the GUI (I think cinnamon also just uses network-manager-gnome?!).
There it says for v4 and v6: "Additional search domains:"

However, when setting mine there, I seem to no longer get the
"fritz.box" which the router advertises via DHCP.
Actually, I personally like that, cause I hate that some possibly
untrusted may set my dns-search.
Think I should report that usptream?


> The ifupdown support is horribly buggy (and I do not recommend 
> managed=true, btw), so it's very well possible, there is a bug
> somewhere 
> in the the ifupdown plugin.

TBH, I wouldn't mind if you just leave it as is (I mean the "bug"). I
hadn't even remembered that I still use the plugin in some way (thought
it was deactivated since it's not in my plugins=keyfile)

Interestingly though, after my tests for your logs below, I got the
maintainer version of NetworkManager.conf installed:
[main]
plugins=ifupdown,keyfile

[ifupdown]
managed=false

With that my WiFi and Ethernet stops completely from working, they do
not even show up anymore (the whole sections) in the applet.


 
> Anyway, please send me a verbose debug log of both NetworkManager
> 1.40.x 
> and 1.42.0

This was made with /etc/NetworkManager/NetworkManager.conf:
[main]
plugins=keyfile

[ifupdown]
managed=true

[logging]
level=DEBUG
domains=ALL


Attached are log files for the old and new versions.
I removed my system-connections and cleared some MAC-addresses for
privacy reasons.
If you need these, I'd rather send it to you in private.

But as I've said... don't waste too much time on this :-)


Thanks	,
Chris.
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