[Bug 884530] Re: Ubiquity crashed downgrading from 11.10 to 11.04

[Brian Murray]

*** This bug is a duplicate of bug 891711 ***
    https://bugs.launchpad.net/bugs/891711

I'm marking this as a duplicate of bug 891711 which has some detailed
information regarding the issue.  We are currently looking into ways to
recover your system from this scenario so keep an eye  on bug 891711 for
those steps.


** This bug has been marked a duplicate of bug 891711
   "Upgrade" from 11.10 to 11.04 results in a unusable system

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https://bugs.launchpad.net/bugs/884530

Title:
  Ubiquity crashed downgrading from 11.10 to 11.04

Status in “ubiquity” package in Ubuntu:
  New

Bug description:
  As the interface didn't show me a place to attach the files I am pasting syslog here and attaching the partman..
  It seems to be easy to solve. The if not os.path.isdir(targetpath) returns True. It would verify for os.path.exists(targetpath).

  Nov  1 00:08:30 ubuntu ubiquity: mkdir: cannot create directory `/target/var/lock'
  Nov  1 00:08:30 ubuntu ubiquity: : File exists
  Nov  1 00:08:30 ubuntu ubiquity:
  Nov  1 00:08:30 ubuntu ubiquity: mkdir: cannot create directory `/target/var/run'
  Nov  1 00:08:30 ubuntu ubiquity: : File exists
  Nov  1 00:08:30 ubuntu kernel: [  517.321974] EXT4-fs (sda7): mounted filesystem with ordered data mode. Opts: (null)
  Nov  1 00:08:31 ubuntu ubiquity[4725]: debconffilter_done: ubiquity.components.partman_commit (current: None)
  Nov  1 00:08:31 ubuntu install.py: keeping packages due to preseeding: icedtea6-plugin openoffice.org
  Nov  1 00:08:31 ubuntu install.py: keeping language packs for: en
  Nov  1 00:08:33 ubuntu ubiquity: /usr/lib/python2.7/dist-packages/apt/deprecation.py:96: UserWarning: Deprecated parameter 'autoFix'
  Nov  1 00:08:33 ubuntu ubiquity:   warnings.warn("Deprecated parameter %r" % key)
  Nov  1 00:12:25 ubuntu install.py: Exception during installation:
  Nov  1 00:12:25 ubuntu install.py: Traceback (most recent call last):
  Nov  1 00:12:25 ubuntu install.py:   File "/usr/share/ubiquity/install.py", line 610, in <module>
  Nov  1 00:12:25 ubuntu install.py:     install.run()
  Nov  1 00:12:25 ubuntu install.py:   File "/usr/share/ubiquity/install.py", line 124, in run
  Nov  1 00:12:25 ubuntu install.py:     self.copy_all()
  Nov  1 00:12:25 ubuntu install.py:   File "/usr/share/ubiquity/install.py", line 362, in copy_all
  Nov  1 00:12:25 ubuntu install.py:     os.mkdir(targetpath, mode)
  Nov  1 00:12:25 ubuntu install.py: OSError: [Errno 17] File exists: '/target/var/lock'
  Nov  1 00:12:25 ubuntu install.py:
  Nov  1 00:17:03 ubuntu CRON[24344]: (root) CMD (   cd / && run-parts --report /etc/cron.hourly)

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