[systemd-devel] Permissions problems with systemd-networkd and others.

[Murrell, Robert A.]

Greetings,

I’m attempting to update one of our products from Debian Stretch with Linux kernel 4.14 to Debian Bullseye with Linux kernel 6.2.0.  The target system is an ARM iMX6QP.  I’ve managed to build the kernel from the old .config file.  The image is built using ELBE builder and reprepro for local packages (not my choice).  This has been a very steep learning experience and I’m sure I have more tweaking to do.

I’m having a problem with systemd on startup.  System-networkd fails to run with the following error:

● systemd-networkd.service - Network Service
     Loaded: loaded (/lib/systemd/system/systemd-networkd.service; enabled; vendor preset: enabled)
     Active: failed (Result: exit-code) since Sun 2023-06-18 14:56:02 UTC; 2h 42min ago
TriggeredBy: ● systemd-networkd.socket
       Docs: man:systemd-networkd.service(8)
    Process: 233 ExecStart=/lib/systemd/systemd-networkd (code=exited, status=203/EXEC)
   Main PID: 233 (code=exited, status=203/EXEC)
        CPU: 109ms

Jun 18 14:56:02 mspmbsat systemd[1]: systemd-networkd.service: Scheduled restart job, restart counter is at 5.
Jun 18 14:56:02 mspmbsat systemd[1]: Stopped Network Service.
Jun 18 14:56:02 mspmbsat systemd[1]: systemd-networkd.service: Start request repeated too quickly.
Jun 18 14:56:02 mspmbsat systemd[1]: systemd-networkd.service: Failed with result 'exit-code'.

Jun 18 14:56:02 mspmbsat systemd[1]: Failed to start Network Service.

Systemd-resolvd and named have similar problems.  Running the program manually (from root) gives me this error:

~# /lib/systemd/systemd-networkd
Failed to open configuration file '/etc/systemd/networkd.conf': Permission denied
Failed to parse configuration file: Permission denied
Enumeration completed

Networkd.conf has 644 permissions.  I have noticed that systemd-networkd now has its own group systemd-network.  I’ve tried doing several things like adding systemd-network to root group and vise-versa, setting permissions on all affected files and paths to 777 (undesirable), but I still can’t get it to run.  I get a little farther, but ultimately end up wit a Permission denied error somewhere.


  1.  What do I need to do to get this working?
  2.  Why didn’t apt install properly configure it?

I can supply the elbe build log if that might help.  It is 2MB long.

Robert Murrell
Embedded Software Engineer
STANLEY Assembly Technologies

2500 Meijer Dr., Troy, MI 48084
T 248-677-9740
Robert.Murrell at sbdinc.com<mailto:Robert.Murrell at sbdinc.com> | www.StanleyEngineeredFastening.com<http://www.stanleyengineeredfastening.com/>

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