[Bug 1926223] Re: Netboot Loading libc6-udeb failed for unknown reasons (focal) 2020-04-21

[Steven Clarkson]

@Jakuro: This just tricks udpkg in the install environment into thinking
that it is already at 2.31-0ubuntu9.3 so it doesn't try to update, and
therefore doesn't fail. It's is 9.* to catch 9 in the focal installer
and 9.2 in the focal-updates installer.

A simpler sed is probably sufficient, and less prone to typos. This one
is untested, though.

sed -i -e 's/Version: 2.31-0ubuntu9.*/Version: 2.31-0ubuntu9.3/'
/var/lib/dpkg/status

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Title:
  Netboot Loading libc6-udeb failed for unknown reasons (focal)
  2020-04-21

Status in debian-installer:
  New
Status in debian-installer package in Ubuntu:
  Confirmed

Bug description:
  With the netboot image from 2020-04-21
  (http://archive.ubuntu.com/ubuntu/dists/focal/main/installer-
  amd64/current/legacy-images/netboot/) it shows me following error at
  partition disk space step

            ???????????????????? [!!] Detect disks ?????????????????????
            ? ?
            ? Failed to load installer component ?
            ? Loading libc6-udeb failed for unknown reasons. Aborting. ?
            ? ?
            ? <Go Back> <Continue> ?
            ? ?
            ????????????????????????????????????????????????????????????

  I am unable to preseed install via PXE because of this.

  
  This bug seems to be identical to previous reports which got fixed in the past.
  https://bugs.launchpad.net/ubuntu/+source/debian-installer/+bug/1867502

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