Public bug reported:
Call trace occurred every time when running `netplan apply` after a
wrong wireless interface was once described in the yaml.
System: Intel NUC7PJYH
Image: Ubuntu Core 20 beta daily build (20200514.2)
Steps to Reproduce:
1. On this Intel NUC7PJYH I tested, its wireless interface is wlo2 instead of
wlan0, I mistakenly described the wireless interface as wlan0 in the yaml at
the first time, corrected it to wlo2 as far as I found the wireless connection
is unreachable.
2. After the wireless interface was corrected to wlo2, following call
trace happened every time running `netplan apply`:
$ sudo netplan apply
Failed to start netplan-wpa-wlan0.service: Unit netplan-wpa-wlan0.service not
found.
Traceback (most recent call last):
File "/usr/sbin/netplan", line 23, in <module>
netplan.main()
File "/usr/share/netplan/netplan/cli/core.py", line 50, in main
self.run_command()
File "/usr/share/netplan/netplan/cli/utils.py", line 179, in run_command
self.func()
File "/usr/share/netplan/netplan/cli/commands/apply.py", line 46, in run
self.run_command()
File "/usr/share/netplan/netplan/cli/utils.py", line 179, in run_command
self.func()
File "/usr/share/netplan/netplan/cli/commands/apply.py", line 173, in
command_apply
utils.systemctl_networkd('start', sync=sync, extra_services=netplan_wpa)
File "/usr/share/netplan/netplan/cli/utils.py", line 86, in systemctl_networkd
subprocess.check_call(command)
File "/usr/lib/python3.8/subprocess.py", line 364, in check_call
raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['systemctl', 'start', '--no-block',
'systemd-networkd.service', 'netplan-wpa-wlo2.service',
'netplan-wpa-wlan0.service']' returned non-zero exit status 5.
3. When a call trace happened, the wireless could still connect to the
AP without problem. When system connected to the AP described in yaml,
it still has the ability get an IP from it and ping the gateway on AP.
** Affects: netplan.io (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1878926
Title:
Call trace occurred after a wrong wireless interface mistakenly
applied once in the yaml
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