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[Bug 2089721] [NEW] mem-on-off-test from memory-hotplug in ubuntu_kernel_selftests fails with timeout while offlining (Flaky)

To: canonical-ubuntu-qa@xxxxxxxxxxxxxxxxxxx
From: Koichiro Den <2089721@xxxxxxxxxxxxxxxxxx>
Date: Wed, 27 Nov 2024 02:12:26 -0000
Reply-to: Bug 2089721 <2089721@xxxxxxxxxxxxxxxxxx>
Sender: noreply@xxxxxxxxxxxxx
Public bug reported:

Flaky timeout failure was observed on builder-cpu2-ram4-disk20.
mem-on-off-test from memory-hotplug fails with timeout (without blocked task (ref. LP: #1923113) and any other relevant kernel messages).

-------------------
10:59:54 DEBUG| [stdout] # timeout set to 600
10:59:54 DEBUG| [stdout] # selftests: memory-hotplug: mem-on-off-test.sh
10:59:54 DEBUG| [stdout] # Test scope: 2% hotplug memory
10:59:54 DEBUG| [stdout] # 	 online all hot-pluggable memory in offline state:
10:59:54 DEBUG| [stdout] # 		 SKIPPED - no hot-pluggable memory in offline state
10:59:54 DEBUG| [stdout] # 	 offline 2% hot-pluggable memory in online state
10:59:54 DEBUG| [stdout] # 	 trying to offline 1 out of 32 memory block(s):
10:59:54 DEBUG| [stdout] # online->offline memory0
10:59:54 DEBUG| [stdout] # -> Failure
10:59:54 DEBUG| [stdout] # online->offline memory1
10:59:54 DEBUG| [stdout] # -> Failure
10:59:54 DEBUG| [stdout] # online->offline memory10
10:59:54 DEBUG| [stdout] # -> Failure
10:59:54 DEBUG| [stdout] # online->offline memory11
10:59:54 DEBUG| [stdout] # -> Failure
10:59:54 DEBUG| [stdout] # online->offline memory12
10:59:54 DEBUG| [stdout] # -> Failure
10:59:54 DEBUG| [stdout] # online->offline memory13
10:59:54 DEBUG| [stdout] # -> Failure
10:59:54 DEBUG| [stdout] # online->offline memory14
10:59:54 DEBUG| [stdout] # -> Failure
10:59:54 DEBUG| [stdout] # online->offline memory15
10:59:54 DEBUG| [stdout] # -> Failure
10:59:54 DEBUG| [stdout] # online->offline memory16
10:59:54 DEBUG| [stdout] # -> Failure
10:59:54 DEBUG| [stdout] # online->offline memory17
10:59:54 DEBUG| [stdout] # -> Failure
10:59:54 DEBUG| [stdout] # online->offline memory18
10:59:54 DEBUG| [stdout] # -> Failure
10:59:54 DEBUG| [stdout] # online->offline memory19
10:59:54 DEBUG| [stdout] # -> Failure
10:59:54 DEBUG| [stdout] # online->offline memory2
10:59:54 DEBUG| [stdout] # -> Failure
10:59:54 DEBUG| [stdout] # online->offline memory20
10:59:54 DEBUG| [stdout] # -> Failure
10:59:54 DEBUG| [stdout] # online->offline memory21
10:59:54 DEBUG| [stdout] # -> Failure
10:59:54 DEBUG| [stdout] # online->offline memory22
10:59:54 DEBUG| [stdout] # -> Failure
10:59:54 DEBUG| [stdout] # online->offline memory23
10:59:54 DEBUG| [stdout] # -> Failure
10:59:54 DEBUG| [stdout] # online->offline memory3
10:59:54 DEBUG| [stdout] # -> Failure
10:59:54 DEBUG| [stdout] # online->offline memory32
10:59:54 DEBUG| [stdout] # -> Failure
10:59:54 DEBUG| [stdout] # online->offline memory33
10:59:54 DEBUG| [stdout] # -> Failure
10:59:54 DEBUG| [stdout] # online->offline memory34
11:09:54 DEBUG| [stdout] #
11:09:54 DEBUG| [stdout] not ok 1 selftests: memory-hotplug: mem-on-off-test.sh # TIMEOUT 600 seconds

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


** Tags: 6.8 noble

** Tags added: 6.8 noble

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https://bugs.launchpad.net/bugs/2089721

Title:
  mem-on-off-test from memory-hotplug in ubuntu_kernel_selftests fails
  with timeout while offlining (Flaky)

Status in ubuntu-kernel-tests:
  New

Bug description:
  Flaky timeout failure was observed on builder-cpu2-ram4-disk20.
  mem-on-off-test from memory-hotplug fails with timeout (without blocked task (ref. LP: #1923113) and any other relevant kernel messages).

  -------------------
  10:59:54 DEBUG| [stdout] # timeout set to 600
  10:59:54 DEBUG| [stdout] # selftests: memory-hotplug: mem-on-off-test.sh
  10:59:54 DEBUG| [stdout] # Test scope: 2% hotplug memory
  10:59:54 DEBUG| [stdout] # 	 online all hot-pluggable memory in offline state:
  10:59:54 DEBUG| [stdout] # 		 SKIPPED - no hot-pluggable memory in offline state
  10:59:54 DEBUG| [stdout] # 	 offline 2% hot-pluggable memory in online state
  10:59:54 DEBUG| [stdout] # 	 trying to offline 1 out of 32 memory block(s):
  10:59:54 DEBUG| [stdout] # online->offline memory0
  10:59:54 DEBUG| [stdout] # -> Failure
  10:59:54 DEBUG| [stdout] # online->offline memory1
  10:59:54 DEBUG| [stdout] # -> Failure
  10:59:54 DEBUG| [stdout] # online->offline memory10
  10:59:54 DEBUG| [stdout] # -> Failure
  10:59:54 DEBUG| [stdout] # online->offline memory11
  10:59:54 DEBUG| [stdout] # -> Failure
  10:59:54 DEBUG| [stdout] # online->offline memory12
  10:59:54 DEBUG| [stdout] # -> Failure
  10:59:54 DEBUG| [stdout] # online->offline memory13
  10:59:54 DEBUG| [stdout] # -> Failure
  10:59:54 DEBUG| [stdout] # online->offline memory14
  10:59:54 DEBUG| [stdout] # -> Failure
  10:59:54 DEBUG| [stdout] # online->offline memory15
  10:59:54 DEBUG| [stdout] # -> Failure
  10:59:54 DEBUG| [stdout] # online->offline memory16
  10:59:54 DEBUG| [stdout] # -> Failure
  10:59:54 DEBUG| [stdout] # online->offline memory17
  10:59:54 DEBUG| [stdout] # -> Failure
  10:59:54 DEBUG| [stdout] # online->offline memory18
  10:59:54 DEBUG| [stdout] # -> Failure
  10:59:54 DEBUG| [stdout] # online->offline memory19
  10:59:54 DEBUG| [stdout] # -> Failure
  10:59:54 DEBUG| [stdout] # online->offline memory2
  10:59:54 DEBUG| [stdout] # -> Failure
  10:59:54 DEBUG| [stdout] # online->offline memory20
  10:59:54 DEBUG| [stdout] # -> Failure
  10:59:54 DEBUG| [stdout] # online->offline memory21
  10:59:54 DEBUG| [stdout] # -> Failure
  10:59:54 DEBUG| [stdout] # online->offline memory22
  10:59:54 DEBUG| [stdout] # -> Failure
  10:59:54 DEBUG| [stdout] # online->offline memory23
  10:59:54 DEBUG| [stdout] # -> Failure
  10:59:54 DEBUG| [stdout] # online->offline memory3
  10:59:54 DEBUG| [stdout] # -> Failure
  10:59:54 DEBUG| [stdout] # online->offline memory32
  10:59:54 DEBUG| [stdout] # -> Failure
  10:59:54 DEBUG| [stdout] # online->offline memory33
  10:59:54 DEBUG| [stdout] # -> Failure
  10:59:54 DEBUG| [stdout] # online->offline memory34
  11:09:54 DEBUG| [stdout] #
  11:09:54 DEBUG| [stdout] not ok 1 selftests: memory-hotplug: mem-on-off-test.sh # TIMEOUT 600 seconds

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