[Bug 1353531] Re: [12.04.5] ubiquity crashes in OEM mode in info_loop in ubi-usersetup.py, line 394 with : TypeError: sequence item 0: expected string, NoneType found

[Jean-Baptiste Lallement]

SRU verification for Precise:
I have reproduced the problem with dmidecode 2.11-4 in precise and have verified that the version of dmidecode 2.11-4ubuntu0.1 in -proposed fixes the issue.

Marking as verification-done


** Tags removed: verification-needed
** Tags added: verification-done

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Title:
  [12.04.5] ubiquity crashes in OEM mode in info_loop in ubi-
  usersetup.py, line 394 with : TypeError: sequence item 0: expected
  string, NoneType found

Status in “ubiquity” package in Ubuntu:
  New

Bug description:
  Ubuntu Desktop 12.04.5 (20140805.3)

  ubiquity-dm crashes in OEM mode if the hostname build from the output
  of dmidecode is unexpected.

  For example on Ubuntu Utopic with qemu 2.1+dfsg-2ubuntu1 the hostname
  is:

  ubuntu-SMBIOS-implementations-newer-than-version-2-7-are-not-fully-
  supported-by-this-version-of-dmidecode-Standard-PC-i440FX-PIIX-1996

  TEST CASE:
  1. Boot Ubuntu Desktop 12.04.5 with with qemu on Ubuntu Utopic
   $ qemu-img create /tmp/disk.img 10G && \
      /usr/bin/qemu-system-x86_64 -m 1024 -display sdl -vga std \
      -enable-kvm -drive file=/tmp/disk.img \
      -cdrom ~/iso/ubuntu/precise-desktop-amd64.iso
  2. Press 'space' to display the boot menu
  3. Press F4, select OEM installation then validate with 'Enter'
  4. Select 'Install Ubuntu' and 'Enter'
  5. Wait until installation starts

  EXPECTED RESULT
  Installer starts

  ACTUAL RESULT
  It crashes

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