Public bug reported:
Original report: https://github.com/ubuntu/WSL/issues/493
On WSL, systemd is not always enabled. This is the case on WSL1 where it
cannot be enabled and on WSL2 when it's been disabled or not enabled by
default.
When systemd is not available do-release-upgrade fails with the error
below and upgrade is cancelled:
"""
Traceback (most recent call last):
File "/tmp/ubuntu-release-upgrader-uqmd8iby/noble", line 8, in <module>
sys.exit(main())
File "/tmp/ubuntu-release-upgrader-uqmd8iby/DistUpgrade/DistUpgradeMain.py",
line 241, in main
if app.run():
File
"/tmp/ubuntu-release-upgrader-uqmd8iby/DistUpgrade/DistUpgradeController.py",
line 2642, in run
return self.fullUpgrade()
File
"/tmp/ubuntu-release-upgrader-uqmd8iby/DistUpgrade/DistUpgradeController.py",
line 2447, in fullUpgrade
if not self.doPostInitialUpdate():
File
"/tmp/ubuntu-release-upgrader-uqmd8iby/DistUpgrade/DistUpgradeController.py",
line 1438, in doPostInitialUpdate
self.quirks.run("PostInitialUpdate")
File
"/tmp/ubuntu-release-upgrader-uqmd8iby/DistUpgrade/DistUpgradeQuirks.py", line
102, in run
func()
File
"/tmp/ubuntu-release-upgrader-uqmd8iby/DistUpgrade/DistUpgradeQuirks.py", line
127, in noblePostInitialUpdate
self._test_and_fail_on_tpm_fde()
File
"/tmp/ubuntu-release-upgrader-uqmd8iby/DistUpgrade/DistUpgradeQuirks.py", line
1898, in _test_and_fail_on_tpm_fde
snap_list = subprocess.check_output(['snap', 'list'])
File "/usr/lib/python3.10/subprocess.py", line 421, in check_output
return run(*popenargs, stdout=PIPE, timeout=timeout, check=True,
File "/usr/lib/python3.10/subprocess.py", line 526, in run
raise CalledProcessError(retcode, process.args,
subprocess.CalledProcessError: Command '['snap', 'list']' returned non-zero
exit status 1.
"""
This error should be ignored when systemd is not running.
** Affects: ubuntu-release-upgrader (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2080233
Title:
[wsl] do-release-upgrade fails with systemd disabled
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