[Bug 1521024] Re: Upgrade halts with invalid UPS low battery warning

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1521024

Title:
  Upgrade halts with invalid UPS low battery warning

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

Bug description:
  In the midst of upgrading to Ubuntu Desktop 15.10 on 2 different
  computers, each connected to different electrical circuit and a
  different, separate UPS, a Critical Low Battery Warning was displayed,
  followed shortly by a power-off shutdown. In both cases the installed
  kernel was present in GRUB, but would not load. I was unable to start
  any kernel normally in GRUB, but I was able to make a Recovery restart
  with the previous kernel in GRUB and complete the upgrade.

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