[Bug 1817358] Re: Ubuntu 16.04 netboot installation failed during loading of installer component libc6-udeb

[Lars Kollstedt]

Hi,

I also ran into this also on xenial. For me also taking the files under
xenial-updates instead of xenial (as far as possible) fixed this for me.
Thanks to buntix for the hint.

But as the message "for unknown reasons" said, this can happen for
different reasons. In my case the libc6-udeb was probably simply newer
and incompatible to the initrd and/or installer binaries. And this was
fixed by taking the other path with the compatible binaries.

But this message might also have other reasons. The occurence is
syncronized because on this date probably the newer version of
libc6-udeb for xenial came out.

So I won't mark Bug#1816876 or this one as duplicate, as far as not all
people having this two are coming to the same results.

Kind regards,
   Lars

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https://bugs.launchpad.net/bugs/1817358

Title:
  Ubuntu 16.04 netboot installation failed during loading of installer
  component libc6-udeb

Status in debian-installer package in Ubuntu:
  Confirmed

Bug description:
  I try to install Ubuntu 16.04 on a Citrix Xenserver. I use
  http://de.archive.ubuntu.com/ubuntu/ as install url in XenCenter.

  On wednesday 20.02.2019 at 18.04 a clock the installation work fine,
  but now after the change of the mini iso under
  http://de.archive.ubuntu.com/ubuntu/ubuntu/ubuntu/dists/xenial-
  updates/main/installer-amd64/current/images/netboot/ the installation
  failed.

  To run in to this bug open XenCenter and choose create new VM and
  select Template for Ubuntu Xenial 16.04, give it a name and click on
  next. Under Installation Media choose "Install from URL" and put the
  url in it. The click next and complete it by selecting storage, cpu
  and memory.

  Then go to console. The installer start, choose language and so on.
  After enter the second time the user password the installer hang by
  Detect disks with following error:

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

  It sound like the Bug form 18.04
  (https://bugs.launchpad.net/ubuntu/+source/debian-
  installer/+bug/1753449), but at Moment installation of 18.04 work
  fine. Only 16.04 crashes.

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