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Date:      Fri, 29 Aug 2025 15:22:48 +0000
From:      bugzilla-noreply@freebsd.org
To:        testing@FreeBSD.org
Subject:   [Bug 289165] usr.bin/limits/limits_test:cputime_soft_flag test fails intermittently on arm64 in CI
Message-ID:  <bug-289165-32464@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=289165

            Bug ID: 289165
           Summary: usr.bin/limits/limits_test:cputime_soft_flag test
                    fails intermittently on arm64 in CI
           Product: Base System
           Version: CURRENT
          Hardware: arm64
                OS: Any
            Status: New
          Keywords: regression
          Severity: Affects Only Me
          Priority: ---
         Component: tests
          Assignee: markj@FreeBSD.org
          Reporter: me@svmhdvn.name
                CC: testing@FreeBSD.org

Created attachment 263314
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=263314&action=edit
kyua test report

The 'usr.bin/limits/limits_test:cputime_soft_flag' testcase fails
intermittently on arm64 with the following message:

Standard output:
Executing command [ limits -S -t 3 limits -H ]
Executing command [ limits -S -t 3 limits -S ]
Executing command [ /usr/bin/time -p limits -S -t 3 sh -c while : ; do : ; done
]
Executing command [ awk 
                /^(user|sys) / {
                    sum += $2
                }
                END {
                    if (sum < 3 || sum >= 4.5) {
                        print(sum);
                        exit(1);
                    }
                }
         ]

Standard error:
Fail: incorrect exit status: 1, expected: 0
stdout:
2.99

I have reproduced this error using Bricoler with 100 runs for good measure:

$ bricoler run freebsd-src-regression-suite --param freebsd-src:url=/usr/src
--param freebsd-src:branch= --param
freebsd-src-regression-suite:hypervisor=bhyve --param
freebsd-src-regression-suite:memory=4096 --param
freebsd-src-regression-suite:ncpus=2 --param
freebsd-src-regression-suite:parallelism=1 --param
freebsd-src-regression-suite:count=100 --param
freebsd-src-regression-suite:tests='usr.bin/limits/limits_test:cputime_soft_flag'

@markj even after your commit
https://cgit.freebsd.org/src/commit/?id=0f63c4af5e4761680550b0aa08cc96f52076c08c,
this test still fails on arm64. Could you look into this?

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