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** Changed in: linux (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1727290

Title:
  ubuntu_unionmount_overlayfs_suite failed on 4.11 azure

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Kernel 4.11.0-1014.14 azure
  This test has failed on all the azure instances this cycle, it looks like it 
has stopped at the "rename-empty-dir" test:

        TEST rename-file.py:110: Rename file over a dir
        ./run --rename /mnt/a/foo108/ /mnt/a/empty108/ -E ENOTDIR
        ./run --rename /mnt/a/foo108/ /mnt/a/dir108/ -E ENOTDIR
        ./run --open-file /mnt/a/foo108/ -r -R :xxx:yyy:zzz -E ENOTDIR
        TEST rename-file.py:121: Rename file over parent dir
        ./run --rename /mnt/a/foo109/ /mnt/a -E ENOTDIR
        ./run --open-file /mnt/a/foo109/ -r -R :xxx:yyy:zzz -E ENOTDIR
        ***
        *** ./run --ov --ts=0 rename-empty-dir
        ***
        TEST rename-empty-dir.py:10: Rename empty dir and rename back
        ./run --rename /mnt/a/empty100 /mnt/a/no_dir100 -E EXDEV
        /mnt/a/empty100: Expected error (Invalid cross-device link) was not 
produced

  
  Compare to the 4.11.0-1006.6 azure kernel test result [1], it did run through 
the test:
        08/17 12:25:11 DEBUG| utils:0153| [stdout] ***
        08/17 12:25:11 DEBUG| utils:0153| [stdout] *** ./run --ov --ts=0 
rename-empty-dir
        08/17 12:25:11 DEBUG| utils:0153| [stdout] ***
        08/17 12:25:11 DEBUG| utils:0153| [stdout] TEST rename-empty-dir.py:10: 
Rename empty dir and rename back
        08/17 12:25:11 DEBUG| utils:0153| [stdout] ./run --rename 
/mnt/a/empty100 /mnt/a/no_dir100 -E EXDEV
        08/17 12:25:11 DEBUG| utils:0153| [stdout] ./run --rename 
/mnt/a/empty100 /mnt/a/no_dir100 -E EXDEV
        08/17 12:25:11 DEBUG| utils:0153| [stdout] ./run --rename 
/mnt/a/no_dir100 /mnt/a/empty100 -E ENOENT
        08/17 12:25:11 DEBUG| utils:0153| [stdout] ./run --rename 
/mnt/a/no_dir100 /mnt/a/empty100 -E ENOENT
        08/17 12:25:11 DEBUG| utils:0153| [stdout] ./run --open-file 
/mnt/a/empty100 -r -d
        08/17 12:25:11 DEBUG| utils:0153| [stdout] ./run --open-file 
/mnt/a/no_dir100 -r -d -E ENOENT

  BIt's worthy to note that this test was not triggered between
  4.11.0-1006.6 and 4.11.0-1014.14

  [1] http://kernel.ubuntu.com/testing/4.11.0-1006.6-azure/azure
  --ubuntu-unionmount-overlayfs-suite--
  
xenial__4.11.0-1006.6__2017-08-17_12-22-00/ubuntu_unionmount_overlayfs_suite/results/ubuntu_unionmount_overlayfs_suite.overlayfs/debug/ubuntu_unionmount_overlayfs_suite.overlayfs.DEBUG.html

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