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[Po-Hsu Lin <1887742@xxxxxxxxxxxxxxxxxx>]

** Changed in: ubuntu-kernel-tests
     Assignee: Krzysztof Kozlowski (krzk) => (unassigned)

** Tags removed: ubuntu-ltp
** Tags added: ubuntu-ltp-kernel-misc

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https://bugs.launchpad.net/bugs/1887742

Title:
  zram03 in kernel_misc from ubuntu_ltp failed with Failed to close FILE
  on E-oracle / B-5.4-oracle / F-5.4 / F-5.8 / F-5.11

Status in ubuntu-kernel-tests:
  New

Bug description:
  Issue found on E-Oracle 5.3.0-1030.32

  Only spotted on instance VM.Standard2.1 passed on VM.Standard2.16

   tag=zram03 stime=1594710365 dur=0 exit=exited stat=2 core=no cu=0 cs=0
   startup='Tue Jul 14 07:06:05 2020'
   zram03 0 TINFO : create a zram device with 536870912 bytes in size.
   zram03 1 TBROK : safe_file_ops.c:299: Failed to close FILE '/sys/block/zram0/disksize' at zram03.c:87: errno=EBUSY(16): Device or resource busy
   zram03 2 TBROK : safe_file_ops.c:299: Remaining cases broken

  Might be caused by the echo error in the previous zram02 test:
   tag=zram02 stime=1594710360 dur=0 exit=exited stat=0 core=no cu=4 cs=19
   startup='Tue Jul 14 07:06:00 2020'
   zram02 1 TINFO: timeout per run is 0h 5m 0s
   zram02 1 TINFO: create '1' zram device(s)
   zram02 1 TPASS: test succeeded
   zram02 1 TCONF: The device attribute max_comp_streams was introduced in kernel 3.15 and deprecated in 4.7
   zram02 2 TINFO: set disk size to zram device(s)
   zram02 2 TINFO: /sys/block/zram0/disksize = '107374182400' (1/1)
   zram02 2 TPASS: test succeeded
   zram02 3 TINFO: set memory limit to zram device(s)
   zram02 3 TINFO: /sys/block/zram0/mem_limit = '1M' (1/1)
   zram02 3 TPASS: test succeeded
   zram02 4 TINFO: make swap with zram device(s)
   Setting up swapspace version 1, size = 100 GiB (107374178304 bytes)
   no label, UUID=75d269f2-80d0-4ca0-b327-9b4553944447
   zram02 4 TINFO: done with /dev/zram0
   zram02 4 TPASS: making zram swap succeeded
   zram02 5 TPASS: swapoff completed
   /opt/ltp/testcases/bin/zram02.sh: 27: echo: echo: I/O error

   Summary:
   passed 5
   failed 0
   skipped 1
   warnings 0

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