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[Bug 2096907] [NEW] zram01 from ubuntu_ltp_kernel_misc fails to finish filling zram and causes sut-test failure

To: canonical-ubuntu-qa@xxxxxxxxxxxxxxxxxxx
From: Koichiro Den <2096907@xxxxxxxxxxxxxxxxxx>
Date: Wed, 29 Jan 2025 08:55:27 -0000
Reply-to: Bug 2096907 <2096907@xxxxxxxxxxxxxxxxxx>
Sender: noreply@xxxxxxxxxxxxx

Public bug reported:

Found on 2025.01.13/oracular/linux-lowlatency/6.11.0-1009.10 on metal
(riccioli).

Log output:

    16:59:47 DEBUG| [stdout] Running tests.......
    16:59:47 DEBUG| [stdout] zram01 1 TINFO: Running: zram01.sh 
    ---(snip)---
    16:59:47 DEBUG| [stdout] zram01 6 TINFO: mount /dev/zram0
    16:59:47 DEBUG| [stdout] zram01 6 TINFO: mount /dev/zram1
    16:59:47 DEBUG| [stdout] zram01 6 TINFO: mount /dev/zram2
    16:59:47 DEBUG| [stdout] zram01 6 TINFO: mount /dev/zram3
    16:59:47 DEBUG| [stdout] zram01 6 TINFO: mount /dev/zram4
    16:59:47 DEBUG| [stdout] zram01 6 TINFO: mount /dev/zram5
    16:59:47 DEBUG| [stdout] zram01 6 TPASS: mount of zram device(s) succeeded
    16:59:47 DEBUG| [stdout] zram01 7 TINFO: filling zram0 (it can take long time)
    scp: /tmp/ubuntu_ltp_kernel_misc.sentinel: No such file or directory
    
    TEST SYSTEM FAILURE DETECTED
    A failure of the system under test has been detected.
    Please review log files for a potential panic, hang or unexpected reboot

Since the console log is unavailable for the machine, it's unclear
whether it crashed, hung, or else.

** Affects: ubuntu-kernel-tests
     Importance: Undecided
         Status: New


** Tags: lowlatency oracular sru-20250113

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https://bugs.launchpad.net/bugs/2096907

Title:
  zram01 from ubuntu_ltp_kernel_misc fails to finish filling zram and
  causes sut-test failure

Status in ubuntu-kernel-tests:
  New

Bug description:
  Found on 2025.01.13/oracular/linux-lowlatency/6.11.0-1009.10 on metal
  (riccioli).

  Log output:

      16:59:47 DEBUG| [stdout] Running tests.......
      16:59:47 DEBUG| [stdout] zram01 1 TINFO: Running: zram01.sh 
      ---(snip)---
      16:59:47 DEBUG| [stdout] zram01 6 TINFO: mount /dev/zram0
      16:59:47 DEBUG| [stdout] zram01 6 TINFO: mount /dev/zram1
      16:59:47 DEBUG| [stdout] zram01 6 TINFO: mount /dev/zram2
      16:59:47 DEBUG| [stdout] zram01 6 TINFO: mount /dev/zram3
      16:59:47 DEBUG| [stdout] zram01 6 TINFO: mount /dev/zram4
      16:59:47 DEBUG| [stdout] zram01 6 TINFO: mount /dev/zram5
      16:59:47 DEBUG| [stdout] zram01 6 TPASS: mount of zram device(s) succeeded
      16:59:47 DEBUG| [stdout] zram01 7 TINFO: filling zram0 (it can take long time)
      scp: /tmp/ubuntu_ltp_kernel_misc.sentinel: No such file or directory
      
      TEST SYSTEM FAILURE DETECTED
      A failure of the system under test has been detected.
      Please review log files for a potential panic, hang or unexpected reboot

  Since the console log is unavailable for the machine, it's unclear
  whether it crashed, hung, or else.

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