[Bug 1990824] Re: initramfs-tools: out-of-memory failures during autopkgtest

[Benjamin Drung]

I checked all failing autopkgtests on mantic and the most recent ones on
lunar. I only saw the `net` autopkgtest fail (which use 512 MB). So only
512 MB was too small, but 1 GB was enough recently.

0.142ubuntu3 ported the net autopkgtest to the common test framework and
uses 1 GB now. I am marking it as fixed released due to the 0.142ubuntu3
upload. Please reopen this bug in case this version starts to have
failing autopkgtest or in case you disagree that 1 GB is enough.

** Changed in: initramfs-tools (Ubuntu)
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1990824

Title:
  initramfs-tools: out-of-memory failures during autopkgtest

Status in initramfs-tools package in Ubuntu:
  Fix Released

Bug description:
  [Impact]

  Some autopkgtest tests are failing due to out-of-memory conditions,
  especially amd64-ata-only and net.

  It seems that we are creating a VM with 1GB only to run the amd64-ata-
  only test and even just 512MB for the net test.

  It probably makes sense to create larger VMs (at least 2GB) to run
  these tests with a more recent kernels (that will likely require a
  little more RAM).

  [Test case]

  sudo autopkgtest . -- null

  [Fix]

  Increase memory size of instances used to run the autopkgtests to 2GB.

  [Regression potential]

  We may experience regressions in small cloud instances, or systems
  with less than 2GB or RAM that are using a recent kernel (but this is
  more a generic potential regression, not strictly related to
  initramfs-tools).

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