[Bug 1976287] Re: casper: qemu instances too small during autopkgtest (potential OOM failures)

[Dimitri John Ledkov]

the jammy autopkgtests with this change pass, thus we want to release
this update.

this will ensure that future adt tests for jammy casper are good without
without OOM kills.

** Tags removed: verification-needed verification-needed-focal verification-needed-jammy
** Tags added: verification-done verification-done-focal verification-done-jammy

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https://bugs.launchpad.net/bugs/1976287

Title:
  casper: qemu instances too small during autopkgtest (potential OOM
  failures)

Status in casper package in Ubuntu:
  Fix Released
Status in casper source package in Focal:
  Fix Released
Status in casper source package in Jammy:
  Fix Committed
Status in casper source package in Kinetic:
  Fix Released

Bug description:
  [Impact]

  During autopkgtest we are creating VMs with 768MB of RAM, that used to
  be enough in the past, but nowdays we typically require more memory
  and we may trigger some sporadic out-of-memory failures during
  autopkgtest.

  [Test case]

  Run autopkgtest with a recent kernel (e.g., 5.15 or above).

  [Fix]

  Bump up the memory size to 1G.

  [Regression potential]

  We may see regressions in test systems with a small amount of memory
  (in the host / hypervisor), because after this change we need more RAM
  in order to run and complete autopkgtest successfully.

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