[Bug 1250181] Re: Duplicate files in winning path should prevent updates

[Vincent Ladeuil]

>From imgae #17, the UI stayed at the spinning 'checking for updates' for
as long as I could wait (at least 10 minutes), so I went with:

# adb shell system-image-cli -c trusty-proposed -b 0 -v
[systemimage] Nov 13 10:47:19 2013 (5513) running state machine [trusty-proposed/mako]
[systemimage] Nov 13 10:47:19 2013 (5513) Looking for blacklist: https://system-image.ubuntu.com/gpg/blacklist.tar.xz
[systemimage] Nov 13 10:47:20 2013 (5513) Requesting group download:
	https://system-image.ubuntu.com/gpg/blacklist.tar.xz -> /var/lib/system-image/keyring.tar.xz
	https://system-image.ubuntu.com/gpg/blacklist.tar.xz.asc -> /var/lib/system-image/keyring.tar.xz.asc

[systemimage] Nov 13 10:47:20 2013 (5513) Running group download reactor
[systemimage] Nov 13 10:47:31 2013 (5513) Group download reactor done
[systemimage] Nov 13 10:47:31 2013 (5513) Local blacklist file: /var/lib/system-image/blacklist.tar.xz
[systemimage] Nov 13 10:47:31 2013 (5513) Looking for: https://system-image.ubuntu.com/channels.json
[systemimage] Nov 13 10:47:31 2013 (5513) Requesting group download:
	https://system-image.ubuntu.com/channels.json -> /tmp/system-image-z9hrkv/channels.json
	https://system-image.ubuntu.com/channels.json.asc -> /tmp/system-image-z9hrkv/channels.json.asc

[systemimage] Nov 13 10:47:31 2013 (5513) Running group download reactor
[systemimage] Nov 13 10:47:32 2013 (5513) Group download reactor done
[systemimage] Nov 13 10:47:32 2013 (5513) Local channels file: /tmp/system-image-z9hrkv/channels.json
[systemimage] Nov 13 10:47:32 2013 (5513) got channel: trusty-proposed
[systemimage] Nov 13 10:47:32 2013 (5513) found channel/device entry: trusty-proposed/mako
[systemimage] Nov 13 10:47:32 2013 (5513) Requesting group download:
	https://system-image.ubuntu.com/trusty-proposed/mako/index.json -> /tmp/system-image-z9hrkv/index.json
	https://system-image.ubuntu.com/trusty-proposed/mako/index.json.asc -> /tmp/system-image-z9hrkv/index.json.asc

[systemimage] Nov 13 10:47:32 2013 (5513) Running group download reactor
[systemimage] Nov 13 10:47:32 2013 (5513) Group download reactor done
[systemimage] Nov 13 10:47:33 2013 (5513) Upgrade path is 20
[systemimage] Nov 13 10:47:33 2013 (5513) Requesting group download:
	http://system-image.ubuntu.com/pool/ubuntu-918c4fd296961d2c273658540f8072cfe03d57d5fdc97b750073f7daa0149987.tar.xz -> /android/cache/recovery/ubuntu-918c4fd296961d2c273658540f8072cfe03d57d5fdc97b750073f7daa0149987.tar.xz
	http://system-image.ubuntu.com/pool/ubuntu-918c4fd296961d2c273658540f8072cfe03d57d5fdc97b750073f7daa0149987.tar.xz.asc -> /android/cache/recovery/ubuntu-918c4fd296961d2c273658540f8072cfe03d57d5fdc97b750073f7daa0149987.tar.xz.asc
	http://system-image.ubuntu.com/pool/device-0e42c8ad6c2174c9f3fa4a580a620e57b9df4b3c0aed54b425f4e2990ad4f6f7.tar.xz -> /android/cache/recovery/device-0e42c8ad6c2174c9f3fa4a580a620e57b9df4b3c0aed54b425f4e2990ad4f6f7.tar.xz
	http://system-image.ubuntu.com/pool/device-0e42c8ad6c2174c9f3fa4a580a620e57b9df4b3c0aed54b425f4e2990ad4f6f7.tar.xz.asc -> /android/cache/recovery/device-0e42c8ad6c2174c9f3fa4a580a620e57b9df4b3c0aed54b425f4e2990ad4f6f7.tar.xz.asc
	http://system-image.ubuntu.com/trusty-proposed/mako/version-20.tar.xz -> /android/cache/recovery/version-20.tar.xz
	http://system-image.ubuntu.com/trusty-proposed/mako/version-20.tar.xz.asc -> /android/cache/recovery/version-20.tar.xz.asc

[systemimage] Nov 13 10:47:33 2013 (5513) Running group download reactor
[systemimage] Nov 13 10:54:17 2013 (5513) Group download reactor done
[systemimage] Nov 13 10:54:31 2013 (5513) all files available in /android/cache/recovery
[systemimage] Nov 13 10:54:31 2013 (5513) preparing to reboot
[systemimage] Nov 13 10:54:31 2013 (5513) rebooting

Note that the 7 minutes without feedback almost triggered a "bah, broken
somehow, let's reboot" which get delayed because I was typing this
comment ;)

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https://bugs.launchpad.net/bugs/1250181

Title:
  Duplicate files in winning path should prevent updates

Status in Ubuntu Download Manager:
  Confirmed
Status in Ubuntu system image (server/client/updater):
  Fix Committed
Status in “system-image” package in Ubuntu:
  Confirmed

Bug description:
  Trying to OTA update from 16 to 20 on mako. See screenshot.

  root at ubuntu-phablet:/var/log/system-image# system-image-cli -i
  current build number: 16
  device name: mako
  channel: trusty-proposed
  last update: 2013-11-09 13:52:54
  version version: 16
  version ubuntu: 20131109
  version device: 20131109

  From /var/log/system-image/client.log

  [systemimage] Nov 11 18:24:00 2013 (8816) Running group download reactor
  [systemimage] Nov 11 18:25:20 2013 (8816) Group download reactor done
  [systemimage] Nov 11 18:25:23 2013 (8816) uncaught exception in state machine
  Traceback (most recent call last):
    File "/usr/lib/python3/dist-packages/systemimage/state.py", line 138, in run_until
      step()
    File "/usr/lib/python3/dist-packages/systemimage/state.py", line 453, in _download_files
      raise SignatureError(dst)
  systemimage.gpg.SignatureError: /android/cache/recovery/device-bc45abbc8b271608f690cc12f7e3dd6e3b6527fdd818a22ea1d2d204350dc56e.delta-device-f67595b49ad4c8233c0ad4645695dd2154242dc3e29b4a60a3afc39058b126a6.tar.xz

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