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[Dan Bungert <2078981@xxxxxxxxxxxxxxxxxx>]

Hey Paride,

I've seen it on autopkgtest.ubuntu.com - here is a sample failing log:
https://autopkgtest.ubuntu.com/results/autopkgtest-oracular/oracular/arm64/l/livecd-rootfs/20240904_153439_e1e52@/log.gz

I have also seen it locally, but I can't reproduce that now.  Presumably
because I'm not using rebuilt images with the fix you list.

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https://bugs.launchpad.net/bugs/2078981

Title:
  nodev tmp - should autopkgtest ensure that AUTOPKGTEST_TMP is
  available for dev node creation?

Status in autopkgtest package in Ubuntu:
  Incomplete

Bug description:
  Related bugs: LP: #2075546, LP: #2078980

  It appears that an implication of systemd tmp.mount is that /tmp may
  be mounted as nodev, as can be seen in some cases now when using the
  qemu backend for an Oracular image.

  autopkgtests running in an isolation-machine environment would
  reasonably conclude that they could create device nodes, certainly a
  requirement for livecd-rootfs and I expect others.

  AUTOPKGTEST_TMP today is of the form
  /tmp/autopkgtest.tA1oiD/autopkgtest_tmp in the current setup, so /tmp
  being nodev should mean that AUTOPKGTEST_TMP is as well.

  As an explicit interface, I suggest that AUTOPKGTEST_TMP should be
  located somewhere that dev nodes can be created.

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