[Bug 1510839] Re: do-release-upgrade to Wily hangs

[Ferry Toth]

This may be a regression of Bug #1302218 (14.04)

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https://bugs.launchpad.net/bugs/1510839

Title:
  do-release-upgrade to Wily hangs

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

Bug description:
  I have experienced a hang during the upgrade to Wily on 2 separate
  machines, probably at the same point.

  The upgrade is started from Muon, so the release upgrade uses:
  do-release-upgrade -m desktop -f DistUpgradeViewKDE -d

  The hangs appears to occur on dpkg trying to configure a bunch of
  packages. The hanging dpkg uses 0% CPU, and appears to be waiting for
  something.

  Killing the upgrade and running:
  sudo dpkg --configure -a

  continues configuring the packages, until it requests user input when
  configuring dll.conf (part of saned).

  After this I need to clean up unneeded packages manually, but
  furtunaly are able to reboot.

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