[Bug 1855896] Re: Unable to install Ubuntu Mate and Vanilla Ubuntu together for dual boot on a UEFI system (primary bug reported for Ubiquity, but a narrow fix could be implemented by Mate)

[Norbert]

** Tags added: eoan

** Changed in: ubuntu-mate
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1855896

Title:
  Unable to install Ubuntu Mate and Vanilla Ubuntu together for dual
  boot on a UEFI system (primary bug reported for Ubiquity, but a narrow
  fix could be implemented by Mate)

Status in ubiquity:
  New
Status in Ubuntu MATE:
  Incomplete
Status in ubiquity package in Ubuntu:
  New

Bug description:
  I reported for Ubiquity a bug in which, when using the "something
  else" installation mode (which I must use for various reasons), a
  second Ubuntu installation overwrites the /EFI/ubuntu (on ESP) for a
  first Ubuntu installation, preventing me from booting into the first
  Ubuntu installation without workarounds.  See
  https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1855874

  REGARDING MATE:  As I mention in the above linked bug report, at least
  when using the "something else" installation mode, attempting to
  install Ubuntu Mate alongside vanilla Ubuntu ALSO triggers the above
  described bug. That is, installing Ubuntu Mate also overwrites
  previous instances of /EFI/ubuntu on the ESP.

  SUGGESTION:  By default, Ubuntu Mate should install EFI files to /EFI
  /ubuntu-mate (and not to /EFI/ubuntu) on the ESP, which would overcome
  this issue for Ubuntu Mate users.

  Please note that my suggestion would also benefit those Mate users who
  don't dual boot, in that those users would see an UEFI NVRAM entry
  that lists Ubuntu Mate rather than seeing seeing a UEFI NVRAM that
  list vanilla Ubuntu, but that actually boots Ubuntu Mate, as is the
  current situation.

  Of course, fixing the underlying issue in Ubiquity would be even
  better.  But in the meantime, the above suggestion would at least
  overcome the issue for those who want to dual boot Ubuntu Mate and
  Vanilla Ubuntu on the same UEFI system.

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