[Bug 1814373] Re: storage / luks / dmsetup regressed (or got better) on ppc64le

[Thadeu Lima de Souza Cascardo]

After applying the two fixes, I managed to get the test running on a
loop for more than 24 hours on disco. Will review the case with someone
on the team before attaching the fix.

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https://bugs.launchpad.net/bugs/1814373

Title:
  storage / luks / dmsetup regressed (or got better) on ppc64le

Status in linux package in Ubuntu:
  Confirmed
Status in systemd package in Ubuntu:
  New
Status in udisks2 package in Ubuntu:
  New
Status in linux source package in Bionic:
  New
Status in systemd source package in Bionic:
  New
Status in udisks2 source package in Bionic:
  New
Status in linux source package in Disco:
  New
Status in systemd source package in Disco:
  New
Status in udisks2 source package in Disco:
  New
Status in linux source package in Eoan:
  Confirmed
Status in systemd source package in Eoan:
  New
Status in udisks2 source package in Eoan:
  New

Bug description:
  in disco proposed with new systemd and v4.19 kernel it appears that
  dmsetup / cryptsetup storage either got better or worse.

  Devices take very long to activate, and sometimes remain in use during
  test clean up.

  This leads to udisks autopkgtest failing on ppc64le and systemd's
  "storage" autopkgtest is also failing.

  I've tried to make ppc64le test more resilient, but it's still odd
  that it became unstable in disco, and used to be rock solid on
  ppc64le.

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