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[Bug 1847816] Re: storage autopkgtest always fails with linux-{kvm, azure, etc} kernels that don't include scsi_debug module

 

** Changed in: autopkgtest-cloud
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1847816

Title:
  storage autopkgtest always fails with linux-{kvm,azure,etc} kernels
  that don't include scsi_debug module

Status in autopkgtest-cloud:
  Fix Released
Status in linux-kvm package in Ubuntu:
  New
Status in systemd package in Ubuntu:
  Fix Released
Status in linux-kvm source package in Xenial:
  New
Status in systemd source package in Xenial:
  In Progress
Status in linux-kvm source package in Bionic:
  New
Status in systemd source package in Bionic:
  Fix Released
Status in linux-kvm source package in Disco:
  New
Status in systemd source package in Disco:
  Won't Fix
Status in linux-kvm source package in Eoan:
  New
Status in systemd source package in Eoan:
  Fix Released
Status in linux-kvm source package in Focal:
  New
Status in systemd source package in Focal:
  Fix Released

Bug description:
  Note: this bug touches on multiple packages:
  - autopkgtest-cloud: merge request open to install 'modules-extra' package
  - systemd: update autopkgtest to skip test if scsi_debug module isn't available (SRU template below is for this change)
  - linux-kvm: has CONFIG_SCSI_DEBUG unset, but would be good to have scsi_debug module built for this kernel

  [SRU template for systemd]

  [impact]

  the 'storage' autopkgtest requires the 'scsi_debug' module, and if it
  can't load it (and it's not built-in), the test fails.  On some custom
  kernels, this module is included in the new 'linux-modules-extra-*'
  deb which isn't installed by default, so the test always fails when
  doing a reverse-dep autopkgtest using such a kernel's meta pkg.

  Additionally, some custom kernels, like linux-kvm, have SCSI_DEBUG
  disabled entirely; for those kernels, it will never be possible to
  load the scsi_debug module and the test should be skipped.

  [test case]

  run the 'storage' autopkgtest with a custom kernel that doesn't
  provide the scsi_debug module in the standard linux-modules deb, or
  check the autopkgtest.u.c history, for example:

  https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac
  /autopkgtest-focal/focal/amd64/s/systemd/20191209_150835_237a5@/log.gz

  [regression potential]

  as this modifies one of the autopkgtest --setup-commands, a regression
  would most likely cause immediate test failure due to failing to
  install the proper linux-* debs.

  For the systemd 'storage' test change, this only skips the test if the
  scsi_debug module can't be loaded (and isn't already present, i.e.
  loaded or built-in).  Any regression potential from that is low, but
  likely would involve incorrect test skips and/or missing valid
  problems due to skipping the test.

  [scope]

  systemd in all releases needs to have its 'storage' test updated

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