[Bug 1633545] Re: PermissionError on upgrading from 16.04 to 16.10

[Simon Kjellberg]

@Brian: Since this issue is still marked as "incomplete", is there any
additional information we can provide to help triage the bug? Apart from
answering the question about additional package managers, which we
already did.

Thanks.

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https://bugs.launchpad.net/bugs/1633545

Title:
  PermissionError on upgrading from 16.04 to 16.10

Status in ubuntu-release-upgrader package in Ubuntu:
  Incomplete

Bug description:
  Traceback (most recent call last):
    File "/tmp/ubuntu-release-upgrader-qtle43hs/yakkety", line 8, in <module>
    File "/tmp/ubuntu-release-upgrader-qtle43hs/DistUpgrade/DistUpgradeMain.py", line 242, in main
    File "/tmp/ubuntu-release-upgrader-qtle43hs/DistUpgrade/DistUpgradeController.py", line 1880, in run
    File "/tmp/ubuntu-release-upgrader-qtle43hs/DistUpgrade/DistUpgradeController.py", line 1845, in fullUpgrade
    File "/tmp/ubuntu-release-upgrader-qtle43hs/DistUpgrade/DistUpgradeController.py", line 1263, in doDistUpgrade
    File "/tmp/ubuntu-release-upgrader-qtle43hs/DistUpgrade/DistUpgradeController.py", line 1385, in abort
    File "/tmp/ubuntu-release-upgrader-qtle43hs/DistUpgrade/sourceslist.py", line 366, in restore_backup
    File "/usr/lib/python3.5/shutil.py", line 236, in copy
      copymode(src, dst, follow_symlinks=follow_symlinks)
    File "/usr/lib/python3.5/shutil.py", line 138, in copymode
      chmod_func(dst, stat.S_IMODE(st.st_mode))
  PermissionError: [Errno 1] Operation not permitted: '/etc/apt/sources.list'
  Error in sys.excepthook:
  Traceback (most recent call last):
    File "/usr/lib/python3/dist-packages/apport_python_hook.py", line 109, in apport_excepthook
      pr.add_proc_info(extraenv=['PYTHONPATH', 'PYTHONHOME'])
    File "/usr/lib/python3/dist-packages/apport/report.py", line 544, in add_proc_info
      self['ExecutableTimestamp'] = str(int(os.stat(self['ExecutablePath']).st_mtime))
  PermissionError: [Errno 13] Permission denied: '/tmp/ubuntu-release-upgrader-qtle43hs/yakkety'

  Original exception was:
  Traceback (most recent call last):
    File "/tmp/ubuntu-release-upgrader-qtle43hs/yakkety", line 8, in <module>
    File "/tmp/ubuntu-release-upgrader-qtle43hs/DistUpgrade/DistUpgradeMain.py", line 242, in main
    File "/tmp/ubuntu-release-upgrader-qtle43hs/DistUpgrade/DistUpgradeController.py", line 1880, in run
    File "/tmp/ubuntu-release-upgrader-qtle43hs/DistUpgrade/DistUpgradeController.py", line 1845, in fullUpgrade
    File "/tmp/ubuntu-release-upgrader-qtle43hs/DistUpgrade/DistUpgradeController.py", line 1263, in doDistUpgrade
    File "/tmp/ubuntu-release-upgrader-qtle43hs/DistUpgrade/DistUpgradeController.py", line 1385, in abort
    File "/tmp/ubuntu-release-upgrader-qtle43hs/DistUpgrade/sourceslist.py", line 366, in restore_backup
    File "/usr/lib/python3.5/shutil.py", line 236, in copy
      copymode(src, dst, follow_symlinks=follow_symlinks)
    File "/usr/lib/python3.5/shutil.py", line 138, in copymode
      chmod_func(dst, stat.S_IMODE(st.st_mode))
  PermissionError: [Errno 1] Operation not permitted: '/etc/apt/sources.list'

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubuntu-release-upgrader-core 1:16.04.16
  ProcVersionSignature: Ubuntu 4.4.0-43.63-generic 4.4.21
  Uname: Linux 4.4.0-43-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  CrashDB: ubuntu
  Date: Fri Oct 14 18:08:29 2016
  InstallationDate: Installed on 2016-04-23 (173 days ago)
  InstallationMedia: Ubuntu-GNOME 16.04 LTS "Xenial Xerus" - Release amd64 (20160421)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  Symptom: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to xenial on 2016-10-14 (0 days ago)
  mtime.conffile..etc.update-manager.release-upgrades: 2016-04-25T21:29:20.463739

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