[Bug 1792905] Re: [2.5] iSCSI systemd services fails and blocks for 1 min 30 secconds

[Francis Ginther]

It appears that the reason for lack of `/lib/modules` is the result of
removal of the kernel image and modules happening in a slightly
different order then typical. In the case of 20180911, the kernel image
was removed first, then the kernel modules. This resulted in complete
clean-up of `/lib/modules`. This order appears to be arbitrary and we
just got lucky (or unlucky) this time.

We can make image build changes to ensure that `/lib/modules` is present
in the bionic and xenial squashfs. However, is there a different
solution we should be pursuing for cosmic that doesn't require this
directory to be present?

Finally, what is the urgency of getting this issue resolved.

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https://bugs.launchpad.net/bugs/1792905

Title:
  [2.5] iSCSI systemd services fails and blocks for 1 min 30 secconds

Status in cloud-images:
  Triaged
Status in MAAS:
  Triaged
Status in open-iscsi package in Ubuntu:
  Confirmed

Bug description:
  Let me first start with saying MAAS is *not* using iSCSI anymore and
  is *NOT* in this case either.

  For some reason now using enlistment, commissioning, and deploying the
  ephemeral environment will block for 1 min 30 seconds waiting for the
  iSCSI daemon to succeed, which it never does.

  This increases the boot time drastically.

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