[Bug 1223894] Re: Segfault trying to upgrade to saucy from raring

[Aaron Bentley]

The tarball was there, plus a bunch of files.  Extracting the files
appeared to complete successfully.

I renamed  ubuntu-release-upgrader-vijh2f to asdf and re-ran "update-
manager -d".  It crashed at the same point, slightly differently:

$ sudo update-manager -d
Checking for a new Ubuntu release
authenticate 'saucy.tar.gz' against 'saucy.tar.gz.gpg' 
extracting 'saucy.tar.gz'
Real-time signal 0

I diffed the old directory against the new one, to see if the second extraction had completed successfully:
l# diff . ../asdf -r
diff: ./demoted.cfg: Too many levels of symbolic links
diff: ../asdf/demoted.cfg: Too many levels of symbolic links
diff: ./DistUpgrade: recursive directory loop
Binary files ./DistUpgradeApport.pyc and ../asdf/DistUpgradeApport.pyc differ
Binary files ./DistUpgradeAufs.pyc and ../asdf/DistUpgradeAufs.pyc differ
Binary files ./DistUpgradeConfigParser.pyc and ../asdf/DistUpgradeConfigParser.pyc differ
Binary files ./DistUpgradeGettext.pyc and ../asdf/DistUpgradeGettext.pyc differ
Binary files ./DistUpgradeMain.pyc and ../asdf/DistUpgradeMain.pyc differ
Binary files ./DistUpgradeVersion.pyc and ../asdf/DistUpgradeVersion.pyc differ
Binary files ./DistUpgradeViewGtk3.pyc and ../asdf/DistUpgradeViewGtk3.pyc differ
Binary files ./DistUpgradeView.pyc and ../asdf/DistUpgradeView.pyc differ
Binary files ./__init__.pyc and ../asdf/__init__.pyc differ
Binary files ./SimpleGtk3builderApp.pyc and ../asdf/SimpleGtk3builderApp.pyc differ
Binary files ./trustdb.gpg and ../asdf/trustdb.gpg differ

Since the tarball didn't include any pyc files, I deduce that the
tarball was completely extracted and the crash happened when trying to
run or compile the extracted files.

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https://bugs.launchpad.net/bugs/1223894

Title:
  Segfault trying to upgrade to saucy from raring

Status in “ubuntu-release-upgrader” package in Ubuntu:
  New

Bug description:
  When I attempt to upgrade to saucy, update-manager crashes around extracting the tarball:
  $ sudo update-manager -d
  [sudo] password for abentley: 
  Checking for a new Ubuntu release
  authenticate 'saucy.tar.gz' against 'saucy.tar.gz.gpg' 
  extracting 'saucy.tar.gz'
  Segmentation fault (core dumped)

  $ lsb_release -rd
  Description:	Ubuntu 13.04
  Release:	13.04
  $ apt-cache policy update-manager
  update-manager:
    Installed: 1:0.186.2
    Candidate: 1:0.186.2
    Version table:
   *** 1:0.186.2 0
          500 http://archive.ubuntu.com/ubuntu/ raring-updates/main amd64 Packages
          100 /var/lib/dpkg/status
       1:0.186 0
          500 http://archive.ubuntu.com/ubuntu/ raring/main amd64 Packages

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