Error: saving config file for the container failed
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Issue body
snapcraft --verbosity=trace --debug --use-lxd:
2026-01-30 14:25:42.006 Failed to start 'snapcraft-chromium-amd64-3304589'.
2026-01-30 14:25:42.007 Detailed information:
* Command that failed: 'lxc --project snapcraft start local:snapcraft-chromium-amd64-3304589'
* Command exit code: 1
* Command standard error output: b'Error: saving config file for the container failed\nTry `lxc info --show-log local:snapcraft-chromium-amd64-3304589` for more info\n'
2026-01-30 14:25:42.010 Traceback (most recent call last):
2026-01-30 14:25:42.011 File "/snap/snapcraft/16790/lib/python3.12/site-packages/craft_providers/lxd/lxc.py", line 1187, in start
2026-01-30 14:25:42.011 self._run_lxc(command, capture_output=True, project=project)
2026-01-30 14:25:42.011 File "/snap/snapcraft/16790/lib/python3.12/site-packages/craft_providers/lxd/lxc.py", line 206, in _run_lxc
2026-01-30 14:25:42.011 return subprocess.run(
2026-01-30 14:25:42.011 ^^^^^^^^^^^^^^^
2026-01-30 14:25:42.011 File "/snap/snapcraft/current/usr/lib/python3.12/subprocess.py", line 571, in run
2026-01-30 14:25:42.011 raise CalledProcessError(retcode, process.args,
2026-01-30 14:25:42.011 subprocess.CalledProcessError: Command '['lxc', '--project', 'snapcraft', 'start', 'local:snapcraft-chromium-amd64-3304589']' returned non-zero exit status 1.
2026-01-30 14:25:42.011
2026-01-30 14:25:42.012 The above exception was the direct cause of the following exception:
2026-01-30 14:25:42.012 Traceback (most recent call last):
2026-01-30 14:25:42.012 File "/snap/snapcraft/16790/lib/python3.12/site-packages/craft_application/application.py", line 676, in run
2026-01-30 14:25:42.012 return_code = self._run_inner()
2026-01-30 14:25:42.012 ^^^^^^^^^^^^^^^^^
2026-01-30 14:25:42.012 File "/snap/snapcraft/16790/lib/python3.12/site-packages/snapcraft/application.py", line 183, in _run_inner
2026-01-30 14:25:42.012 return_code = super()._run_inner()
2026-01-30 14:25:42.012 ^^^^^^^^^^^^^^^^^^^^
2026-01-30 14:25:42.012 File "/snap/snapcraft/16790/lib/python3.12/site-packages/craft_application/application.py", line 653, in _run_inner
2026-01-30 14:25:42.012 return_code = dispatcher.run() or os.EX_OK
2026-01-30 14:25:42.013 ^^^^^^^^^^^^^^^^
2026-01-30 14:25:42.013 File "/snap/snapcraft/16790/lib/python3.12/site-packages/craft_cli/dispatcher.py", line 564, in run
2026-01-30 14:25:42.013 return self._loaded_command.run(self._parsed_command_args)
2026-01-30 14:25:42.013 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-01-30 14:25:42.013 File "/snap/snapcraft/16790/lib/python3.12/site-packages/craft_application/commands/base.py", line 222, in run
2026-01-30 14:25:42.013 result = self._run(parsed_args, **kwargs) or result
2026-01-30 14:25:42.013 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-01-30 14:25:42.013 File "/snap/snapcraft/16790/lib/python3.12/site-packages/snapcraft/commands/lifecycle.py", line 74, in _run
2026-01-30 14:25:42.013 super()._run(parsed_args)
2026-01-30 14:25:42.014 File "/snap/snapcraft/16790/lib/python3.12/site-packages/craft_application/commands/lifecycle.py", line 627, in _run
2026-01-30 14:25:42.014 return super()._run(parsed_args=parsed_args, step_name=step_name)
2026-01-30 14:25:42.014 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-01-30 14:25:42.014 File "/snap/snapcraft/16790/lib/python3.12/site-packages/craft_application/commands/lifecycle.py", line 240, in _run
2026-01-30 14:25:42.014 self._run_manager_for_build_plan(fetch_service_policy)
2026-01-30 14:25:42.014 File "/snap/snapcraft/16790/lib/python3.12/site-packages/craft_application/commands/lifecycle.py", line 105, in _run_manager_for_build_plan
2026-01-30 14:25:42.014 provider.run_managed(build, bool(fetch_service_policy))
2026-01-30 14:25:42.014 File "/snap/snapcraft/16790/lib/python3.12/site-packages/craft_application/services/provider.py", line 457, in run_managed
2026-01-30 14:25:42.014 with self.instance(
2026-01-30 14:25:42.015 File "/snap/snapcraft/current/usr/lib/python3.12/contextlib.py", line 137, in __enter__
2026-01-30 14:25:42.015 return next(self.gen)
2026-01-30 14:25:42.015 ^^^^^^^^^^^^^^
2026-01-30 14:25:42.015 File "/snap/snapcraft/16790/lib/python3.12/site-packages/craft_application/services/provider.py", line 185, in instance
2026-01-30 14:25:42.015 with provider.launched_environment(
2026-01-30 14:25:42.015 File "/snap/snapcraft/current/usr/lib/python3.12/contextlib.py", line 137, in __enter__
2026-01-30 14:25:42.015 return next(self.gen)
2026-01-30 14:25:42.015 ^^^^^^^^^^^^^^
2026-01-30 14:25:42.015 File "/snap/snapcraft/16790/lib/python3.12/site-packages/craft_providers/lxd/lxd_provider.py", line 168, in launched_environment
2026-01-30 14:25:42.015 instance = launch(
2026-01-30 14:25:42.015 ^^^^^^^
2026-01-30 14:25:42.015 File "/snap/snapcraft/16790/lib/python3.12/site-packages/craft_providers/lxd/launcher.py", line 780, in launch
2026-01-30 14:25:42.015 if instance.exists() and _launch_existing_instance(
2026-01-30 14:25:42.015 ^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-01-30 14:25:42.015 File "/snap/snapcraft/16790/lib/python3.12/site-packages/craft_providers/lxd/launcher.py", line 429, in _launch_existing_instance
2026-01-30 14:25:42.016 instance.start()
2026-01-30 14:25:42.016 File "/snap/snapcraft/16790/lib/python3.12/site-packages/craft_providers/lxd/lxd_instance.py", line 568, in start
2026-01-30 14:25:42.016 self.lxc.start(
2026-01-30 14:25:42.016 File "/snap/snapcraft/16790/lib/python3.12/site-packages/craft_providers/lxd/lxc.py", line 1189, in start
2026-01-30 14:25:42.016 raise LXDError(
2026-01-30 14:25:42.016 craft_providers.lxd.errors.LXDError: Failed to start 'snapcraft-chromium-amd64-3304589'.
2026-01-30 14:25:42.016 * Command that failed: 'lxc --project snapcraft start local:snapcraft-chromium-amd64-3304589'
2026-01-30 14:25:42.016 * Command exit code: 1
2026-01-30 14:25:42.016 * Command standard error output: b'Error: saving config file for the container failed\nTry `lxc info --show-log local:snapcraft-chromium-amd64-3304589` for more info\n'
2026-01-30 14:25:42.016 Full execution log: '/home/nteodosio/.local/state/snapcraft/log/snapcraft-20260130-142539.558363.log'
% lxc info --show-log local:snapcraft-chromium-amd64-3304589
Name: snapcraft-chromium-amd64-3304589
Status: STOPPED
Type: container
Architecture: x86_64
Created: 2025/09/18 23:47 CEST
Last Used: 2026/01/22 08:38 CET
Log:
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