Recent update of systemd stalls the boot on HiFive Unmatched for 2 minutes

[Ron Economos]

After the update of systemd to version 249.11-0ubuntu3.10, the boot on the HiFive Unmatched board is stalled by about 2 minutes by systemd-networkd-wait-online.

The error messages from /var/log/syslog:

Sep 18 08:34:49 riscv64 systemd-networkd-wait-online[2898]: Timeout occurred while waiting for network connectivity.
Sep 18 08:34:49 riscv64 systemd[1]: systemd-networkd-wait-online.service: Main process exited, code=exited, status=1/FAILURE
Sep 18 08:34:49 riscv64 systemd[1]: systemd-networkd-wait-online.service: Failed with result 'exit-code'.

This occurs on both Ubuntu 22.04 and 23.04 for riscv64.

lsb_release -rd
Description: Ubuntu 22.04.3 LTS
Release: 22.04

apt-cache policy systemd
systemd:
  Installed: 249.11-0ubuntu3.10
  Candidate: 249.11-0ubuntu3.10
  Version table:
 *** 249.11-0ubuntu3.10 500
        500 http://ports.ubuntu.com/ubuntu-ports jammy-updates/main riscv64 Packages
        100 /var/lib/dpkg/status
     249.11-0ubuntu3.7 500
        500 http://ports.ubuntu.com/ubuntu-ports jammy-security/main riscv64 Packages
     249.11-0ubuntu3 500
        500 http://ports.ubuntu.com/ubuntu-ports jammy/main riscv64 Packages

[Nick Rosbrook (enr0n)]

Thanks for your report. We have seen a similar report in bug 2036358. Before I mark it as duplicate, can you please provide output from the following commands:

$ networkctl
$ SYSTEMD_LOG_LEVEL=debug /lib/systemd/systemd-networkd-wait-online --timeout=10

[Ron Economos (w6rz)]

$ networkctl
IDX LINK TYPE OPERATIONAL SETUP
  1 lo loopback carrier unmanaged
  2 eth0 ether routable configured

2 links listed.

$ SYSTEMD_LOG_LEVEL=debug /lib/systemd/systemd-networkd-wait-online --timeout=10
rtnl: message parse - overwriting repeated attribute
Found link 2
Found link 1
eth0: link is ignored
lo: link is ignored
Timeout occurred while waiting for network connectivity.

[Ron Economos (w6rz)]

Just a note, I did add --timeout=10 to systemd-networkd-wait-online.service to mitigate the issue.

[Heinrich Schuchardt (xypron)]

On SiFive HiFive Unmatched with Ubuntu Mantic (23.10):

$ uname -a
Linux unmatched2 6.2.0-19-generic

grep -n wait-online /var/log/syslog
2023-09-19T13:38:34.120018+00:00 unmatched2 systemd[1]: Starting systemd-networkd-wait-online.service - Wait for Network to be Configured...
2023-09-19T13:38:36.306411+00:00 unmatched2 systemd[1]: Starting NetworkManager-wait-online.service - Network Manager Wait Online...

$ networkctl
IDX LINK TYPE OPERATIONAL SETUP
  1 lo loopback carrier unmanaged
  2 end0 ether routable configured

2 links listed.
$ SYSTEMD_LOG_LEVEL=debug /lib/systemd/systemd-networkd-wait-online --timeout=10
Found link lo(1)
Found link end0(2)
lo: link is ignored
end0: link is configured by networkd and online.

[Nick Rosbrook (enr0n)]

Thanks for the additional information. I am going to mark this bug as a duplicate to consolidate.