canonical-ubuntu-qa team mailing list archive

[Ian Whitfield <2122378@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

stress-ng misaligned and lockbus stressors time out on Google TDX
instances. This isn't considered a regression because these failures
were seen on the first regression testing of Google TDX. A cause is not
yet known.

Example output:
8573  23:09:59 DEBUG| Running '/home/ubuntu/autotest/client/tests/ubuntu_stress_smoke_test/ubuntu_stress_single_smoke_test.sh misaligned'
8574  23:09:59 DEBUG| [stdout] Free memory: 30075 MB
8575  23:09:59 DEBUG| [stdout] Memory used: 27068 MB
8576  23:09:59 DEBUG| [stdout] Using cgroup version 2
8577  23:09:59 DEBUG| [stdout]
8578  23:09:59 DEBUG| [stdout] Machine Configuration
8579  23:09:59 DEBUG| [stdout] Physical Pages: 7967098
8580  23:09:59 DEBUG| [stdout] Pages available: 7699265
8581  23:09:59 DEBUG| [stdout] Page Size: 4096
8582  23:09:59 DEBUG| [stdout] Zswap enabled: Y
8583  23:09:59 DEBUG| [stdout]
8584  23:09:59 DEBUG| [stdout] Free memory:
8585  23:09:59 DEBUG| [stdout] total used free shared buff/cache available
8586  23:09:59 DEBUG| [stdout] Mem: 31868392 1113776 30797060 174360 602132 30754616
8587  23:09:59 DEBUG| [stdout] Swap: 1048572 1536 1047036
8588  23:09:59 DEBUG| [stdout]
8589  23:09:59 DEBUG| [stdout] Number of CPUs: 8
8590  23:09:59 DEBUG| [stdout] Number of CPUs Online: 8
8591  23:09:59 DEBUG| [stdout]
8592  23:09:59 DEBUG| [stdout] Maximum bogo ops: 3000
8593  23:09:59 DEBUG| [stdout]
8594  23:09:59 DEBUG| [stdout] misaligned STARTING
8595  23:44:59 INFO | Timer expired (2100 sec.), nuking pid 166288
8596  23:44:59 INFO | ERROR ubuntu_stress_smoke_test.misaligned ubuntu_stress_smoke_test.misaligned timestamp=1757029499 localtime=Sep 04 23:44:59 Test timeout expired, rc=15

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

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https://bugs.launchpad.net/bugs/2122378

Title:
  ubuntu_stress_smoke_test:misaligned|lockbus timeout on Google TDX
  instances

Status in ubuntu-kernel-tests:
  New

Bug description:
  stress-ng misaligned and lockbus stressors time out on Google TDX
  instances. This isn't considered a regression because these failures
  were seen on the first regression testing of Google TDX. A cause is
  not yet known.

  Example output:
  8573  23:09:59 DEBUG| Running '/home/ubuntu/autotest/client/tests/ubuntu_stress_smoke_test/ubuntu_stress_single_smoke_test.sh misaligned'
  8574  23:09:59 DEBUG| [stdout] Free memory: 30075 MB
  8575  23:09:59 DEBUG| [stdout] Memory used: 27068 MB
  8576  23:09:59 DEBUG| [stdout] Using cgroup version 2
  8577  23:09:59 DEBUG| [stdout]
  8578  23:09:59 DEBUG| [stdout] Machine Configuration
  8579  23:09:59 DEBUG| [stdout] Physical Pages: 7967098
  8580  23:09:59 DEBUG| [stdout] Pages available: 7699265
  8581  23:09:59 DEBUG| [stdout] Page Size: 4096
  8582  23:09:59 DEBUG| [stdout] Zswap enabled: Y
  8583  23:09:59 DEBUG| [stdout]
  8584  23:09:59 DEBUG| [stdout] Free memory:
  8585  23:09:59 DEBUG| [stdout] total used free shared buff/cache available
  8586  23:09:59 DEBUG| [stdout] Mem: 31868392 1113776 30797060 174360 602132 30754616
  8587  23:09:59 DEBUG| [stdout] Swap: 1048572 1536 1047036
  8588  23:09:59 DEBUG| [stdout]
  8589  23:09:59 DEBUG| [stdout] Number of CPUs: 8
  8590  23:09:59 DEBUG| [stdout] Number of CPUs Online: 8
  8591  23:09:59 DEBUG| [stdout]
  8592  23:09:59 DEBUG| [stdout] Maximum bogo ops: 3000
  8593  23:09:59 DEBUG| [stdout]
  8594  23:09:59 DEBUG| [stdout] misaligned STARTING
  8595  23:44:59 INFO | Timer expired (2100 sec.), nuking pid 166288
  8596  23:44:59 INFO | ERROR ubuntu_stress_smoke_test.misaligned ubuntu_stress_smoke_test.misaligned timestamp=1757029499 localtime=Sep 04 23:44:59 Test timeout expired, rc=15

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