Public bug reported:
System is Mint 20.2, with the relevant packages taken from Ubuntu Focal.
This is the output of `systemd-resolv --status vpn0`:
Link 7 (vpn0)
Current Scopes: DNS
DefaultRoute setting: yes
LLMNR setting: yes
MulticastDNS setting: no
DNSOverTLS setting: no
DNSSEC setting: no
DNSSEC supported: no
Current DNS Server: 10.0.0.53
DNS Servers: 10.0.0.53
DNS Domain: example.com
example.com.rpz
privatelink.blob.core.windows.net
node.prd.lan.example.com
node.stg.lan.example.com
node.dev.lan.example.com
However that last domain is missing from `/etc/resolv.conf` (symlink to
`/run/systemd/resolve/stub-resolv.conf`), instead there is a line
# Too many search domains configured, remaining ones ignored.
According to resolv.conf(5) since glibc 2.26 the number of search
domains should be unlimited, and installed is 2.31-0ubuntu9.3
VPN is PaloAlto GlobalProtect through the OpenConnect plugin on
NetworkManager.
Exact same setup and behaviour for a colleague using Pop!_OS 20.04
--
systemd:
Installed: 245.4-4ubuntu3.13
Candidate: 245.4-4ubuntu3.13
Version table:
*** 245.4-4ubuntu3.13 500
500 http://archive.ubuntu.com/ubuntu focal-updates/main amd64 Packages
100 /var/lib/dpkg/status
245.4-4ubuntu3.11 500
500 http://security.ubuntu.com/ubuntu focal-security/main amd64 Packages
245.4-4ubuntu3 500
500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages
libc-bin:
Installed: 2.31-0ubuntu9.3
Candidate: 2.31-0ubuntu9.3
Version table:
*** 2.31-0ubuntu9.3 100
100 /var/lib/dpkg/status
2.31-0ubuntu9.2 500
500 http://archive.ubuntu.com/ubuntu focal-updates/main amd64 Packages
2.31-0ubuntu9 500
500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages
** Affects: systemd (Ubuntu)
Importance: Undecided
Status: New
** Tags: focal
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https://bugs.launchpad.net/bugs/1945288
Title:
Search domains missing from resolv.conf stub
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