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[Po-Hsu Lin <2034586@xxxxxxxxxxxxxxxxxx>]

** Changed in: ubuntu-kernel-tests
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/2034586

Title:
  overlay-shiftfs-tests: race with systemd-tmpfiles

Status in ubuntu-kernel-tests:
  Fix Released

Bug description:
  I see some failures on ovl-mkdir-xattrs.sh where:

   	1105 	  	00:40:55 ERROR| [stderr] + echo 'dir is /tmp/tmp.9GEeAFGs0M'
    	  	1106 	  	00:40:55 ERROR| [stderr] + mkdir -p /tmp/tmp.9GEeAFGs0M/l /tmp/tmp.9GEeAFGs0M/u /tmp/tmp.9GEeAFGs0M/w /tmp/tmp.9GEeAFGs0M/t
    	  	1107 	  	00:40:55 ERROR| [stderr] + mkdir /tmp/tmp.9GEeAFGs0M/l/dev
    	  	1108 	  	00:40:55 ERROR| [stderr] + mount -t overlay -o lowerdir=/tmp/tmp.9GEeAFGs0M/l,upperdir=/tmp/tmp.9GEeAFGs0M/u,workdir=/tmp/tmp.9GEeAFGs0M/w o /tmp/tmp.9GEeAFGs0M/t
    	  	1109 	  	00:40:55 ERROR| [stderr] mount: /tmp/tmp.9GEeAFGs0M/t: mount point does not exist.

  At some other instances, the failure is at mkdir /tmp/XXXX/l/dev,
  meaning /tmp/XXXX/l or /tmp/XXXX/u is gone.

  As this is being run on a recently started container, my bet is that
  systemd-tmpfiles setup is still running. This would be
  /lib/systemd/system/systemd-tmpfiles-setup.service. This calls
  systemd-tmpfiles --remove --create. The --remove on /tmp, will remove
  everything there.

  One possible solution is not using /tmp/ for these tests.

  Cascardo.

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