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action #157960

closed

[qe-core][qem]test fails in krb5 [sporadic issue, some delay output with function 'logout_and_verify_shell_availability' ]

Added by rfan1 8 months ago. Updated 8 months ago.

Status:
Resolved
Priority:
Normal
Assignee:
Category:
Bugs in existing tests
Target version:
Start date:
2024-03-26
Due date:
% Done:

0%

Estimated time:
Difficulty:

Description

Observation

openQA test in scenario sle-15-SP3-Server-DVD-Updates-aarch64-mau-extratests1@aarch64-virtio fails in
krb5

Test suite description

Testsuite maintained at https://gitlab.suse.de/qa-maintenance/qam-openqa-yml. Run console tests against aggregated test repo

Reproducible

Fails since (at least) Build 20240325-1

Expected result

Last good: 20240324-1 (or more recent)

Further details

Always latest result in this scenario: latest

Actions #1

Updated by rfan1 8 months ago

The test passed with QEMURAM=4096.

http://openqa.suse.de/tests/13872760#details

however, I am not sure if the issue is caused by worker performance issue, and need run more VRs to see if increasing the memory size can solve the problem perfectly.

Actions #2

Updated by rfan1 8 months ago

  • Assignee set to rfan1
Actions #3

Updated by rfan1 8 months ago

  • Status changed from New to In Progress

I might find some clue for this issue, since it can be easily reproduced on aarch64 platform.

below function execution may have some performance issue to get return code and print the output in serial terminal. and mix the output with the followed command.

I will try to add some delay for this function and see.

sub logout_and_verify_shell_availability {
    script_run 'logout', 0;
    # verify shell is ready with simple command
    wait_serial(serial_term_prompt(), undef, 0, no_regex => 1);
}
Actions #4

Updated by rfan1 8 months ago

  • Subject changed from [qe-core][qem]test fails in krb5 [sporadic issue, may need to increase the memory size] to [qe-core][qem]test fails in krb5 [sporadic issue, some delay output with function 'logout_and_verify_shell_availability' ]
Actions #5

Updated by rfan1 8 months ago

  • Status changed from In Progress to Feedback
Actions #6

Updated by rfan1 8 months ago

  • Status changed from Feedback to Resolved

Good news is that the issue is not seen in past week, let me close it.

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