[Bug 1876258] Re: ubuntu 20.04 pxe installation fails with no such file or directory /dev/disk/by-id exception

[Lee Trager]

As per Ryan's comment in LP:1891251 MAAS should ensure block devices are
created with serial numbers. This is possible with libvirt however we
may need LXD to add support for this.

** Also affects: maas
   Importance: Undecided
       Status: New

** Changed in: maas
       Status: New => Confirmed

** Changed in: maas
   Importance: Undecided => High

** Also affects: maas/2.8
   Importance: Undecided
       Status: New

** Changed in: maas/2.8
       Status: New => Confirmed

** Changed in: maas/2.8
   Importance: Undecided => High

** Changed in: maas
    Milestone: None => 2.9.0b1

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https://bugs.launchpad.net/bugs/1876258

Title:
  ubuntu 20.04 pxe installation fails with no such file or directory
  /dev/disk/by-id exception

Status in curtin:
  Confirmed
Status in MAAS:
  Confirmed
Status in MAAS 2.8 series:
  Confirmed
Status in grub2 package in Ubuntu:
  Confirmed

Bug description:
  The `configure_grub_debconf` function tries to find a by-id path of
  the boot device.

  The problem is though - when I run ubuntu 20.04 live cd via PXE -
  there is no `/dev/disk/by-id` there are only

  1) by-label
  2) by-partuuid
  3) by-path
  4) by-uuid

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