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  1. RHEL
  2. RHEL-29140

rt_ssdd ERROR: wait on PTRACE_SINGLESTEP #5719: no SIGCHLD seen (signal count == 0), signo 5

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    • rhel-9.5
    • realtime-tests
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    • rhel-sst-kernel-rts
    • ssg_core_kernel
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    • Red Hat Enterprise Linux
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    • x86_64
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      What were you trying to do that didn't work?

      We have same issue on RHEL8: https://issues.redhat.com/browse/RHEL-13213

       

      Running ssdd 100 10000 [stress]
      + ssdd --forks=100 --iters=10000
      + tee SSDD2.LOG
      #main : 3125
      #forks: 100
      #steps: 10000
      
      forktest#0/3127/3129: STARTING
      forktest#2/3130/3132: STARTING
      forktest#4/3133/3135: STARTING
      
      forktest#28/3158: EXITING, no error
      forktest#53/3222: EXITING, ERROR: wait on PTRACE_SINGLESTEP #5719: no SIGCHLD seen (signal count == 0), signo 5
      forktest#22/3152: EXITING, no error
      
      forktest#62/3232: EXITING, no error
      forktest#1/3128: EXITING, ERROR: wait on PTRACE_SINGLESTEP #9787: no SIGCHLD seen (signal count == 0), signo 5
      forktest#27/3157: EXITING, no error 

       

       

      Please provide the package NVR for which bug is seen:

      kernel-rt-5.14.0-424.3771_1182626034.el9 

      realtime-tests-2.6-5.el9

      How reproducible:

      Job https://beaker.engineering.redhat.com/recipes/15723857#task174897773

      Steps to reproduce

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      Expected results

      Actual results

              jkacur@redhat.com John Kacur
              rhn-support-qzhao Qiao Zhao
              John Kacur John Kacur
              Waylon Cude Waylon Cude
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                Created:
                Updated: