[Bug 1063292] Re: Reinstall of Ubuntu appears to succeed but reports crash in the end

[melchiaros]

The last traceback before end in UbiquitySyslog.txt:

Oct  7 15:54:03 ubuntu ubiquity[526]: Reverting lockdown of the desktop environment.
Oct  7 15:54:03 ubuntu plugininstall.py: Could not copy wallpaper cache:
Oct  7 15:54:03 ubuntu plugininstall.py: Traceback (most recent call last):
Oct  7 15:54:03 ubuntu plugininstall.py:   File "/usr/share/ubiquity/plugininstall.py", line 257, in run
Oct  7 15:54:03 ubuntu plugininstall.py:     self.copy_wallpaper_cache()
Oct  7 15:54:03 ubuntu plugininstall.py:   File "/usr/share/ubiquity/plugininstall.py", line 1608, in copy_wallpaper_cache
Oct  7 15:54:03 ubuntu plugininstall.py:     target_user = self.db.get('passwd/username')
Oct  7 15:54:03 ubuntu plugininstall.py:   File "/usr/lib/python2.7/dist-packages/debconf.py", line 60, in <lambda>
Oct  7 15:54:03 ubuntu plugininstall.py:     lambda *args, **kw: self.command(command, *args, **kw))
Oct  7 15:54:03 ubuntu plugininstall.py:   File "/usr/lib/python2.7/dist-packages/debconf.py", line 81, in command
Oct  7 15:54:03 ubuntu plugininstall.py:     status = int(status)
Oct  7 15:54:03 ubuntu plugininstall.py: ValueError: invalid literal for int() with base 10: ''
Oct  7 15:54:03 ubuntu plugininstall.py: 
Oct  7 15:54:03 ubuntu ubiquity: umount: /target/cdrom: not mounted
Oct  7 15:54:03 ubuntu plugininstall.py: log-output -t ubiquity umount /target/cdrom
Oct  7 15:54:03 ubuntu finish-install: Disabling CD in sources.list
Oct  7 15:54:03 ubuntu plugininstall.py: Exception during installation:
Oct  7 15:54:03 ubuntu plugininstall.py: Traceback (most recent call last):
Oct  7 15:54:03 ubuntu plugininstall.py:   File "/usr/share/ubiquity/plugininstall.py", line 1728, in <module>
Oct  7 15:54:03 ubuntu plugininstall.py:     install.run()
Oct  7 15:54:03 ubuntu plugininstall.py:   File "/usr/share/ubiquity/plugininstall.py", line 55, in wrapper
Oct  7 15:54:03 ubuntu plugininstall.py:     func(self)
Oct  7 15:54:03 ubuntu plugininstall.py:   File "/usr/share/ubiquity/plugininstall.py", line 265, in run
Oct  7 15:54:03 ubuntu plugininstall.py:     self.db.progress('SET', self.count)
Oct  7 15:54:03 ubuntu plugininstall.py:   File "/usr/lib/python2.7/dist-packages/debconf.py", line 60, in <lambda>
Oct  7 15:54:03 ubuntu plugininstall.py:     lambda *args, **kw: self.command(command, *args, **kw))
Oct  7 15:54:03 ubuntu plugininstall.py:   File "/usr/lib/python2.7/dist-packages/debconf.py", line 65, in command
Oct  7 15:54:03 ubuntu plugininstall.py:     self.write.flush()
Oct  7 15:54:03 ubuntu plugininstall.py: IOError: [Errno 32] Broken pipe
Oct  7 15:54:03 ubuntu plugininstall.py: 
Oct  7 15:54:14 ubuntu ubiquity: 
Oct  7 15:54:14 ubuntu ubiquity: ** (apport-gtk:7586): WARNING **: The connection is closed

** Changed in: ubiquity (Ubuntu)
       Status: New => Confirmed

** Summary changed:

- Reinstall of Ubuntu appears to succeed but reports crash in the end
+ Downgrade from 12.10 to 12.04 appears to succeed but reports crash in the end

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https://bugs.launchpad.net/bugs/1063292

Title:
  Downgrade from 12.10 to 12.04 appears to succeed but reports crash in
  the end

Status in “ubiquity” package in Ubuntu:
  Confirmed

Bug description:
  Reinstalling Ubuntu 12.04 over 12.10, including;
   - reuse of / mount
   - moving swap space
   - reuse of /home mount

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: ubiquity 2.10.20
  ProcVersionSignature: Ubuntu 3.2.0-29.46-generic 3.2.24
  Uname: Linux 3.2.0-29-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.0.1-0ubuntu12
  Architecture: amd64
  CasperVersion: 1.315
  Date: Sun Oct  7 16:54:16 2012
  InstallCmdLine: noprompt cdrom-detect/try-usb=true file=/cdrom/preseed/ubuntu.seed boot=casper persistent initrd=/casper/initrd.lz splash -- BOOT_IMAGE=/casper/vmlinuz
  LiveMediaBuild: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120823.1)
  ProcEnviron:
   LANGUAGE=en_GB.UTF-8
   TERM=unknown
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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