Problem Determination for AIX

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sshd core dump

  1. AIX sshd got core dump

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    root@suuxinap01:/root# errpt -a
    ---------------------------------------------------------------------------
    LABEL:          CORE_DUMP
    IDENTIFIER:     A924A5FC

    Date/Time:       Tue Jun 18 00:27:00 HKT 2024
    Sequence Number: 5774
    Machine Id:      00C862804B00
    Node Id:         suuxinap01
    Class:           S
    Type:            PERM
    WPAR:            Global
    Resource Name:   SYSPROC

    Description
    SOFTWARE PROGRAM ABNORMALLY TERMINATED

    Probable Causes
    SOFTWARE PROGRAM

    User Causes
    USER GENERATED SIGNAL

            Recommended Actions
            CORRECT THEN RETRY

    Failure Causes
    SOFTWARE PROGRAM

            Recommended Actions
            RERUN THE APPLICATION PROGRAM
            IF PROBLEM PERSISTS THEN DO THE FOLLOWING
            CONTACT APPROPRIATE SERVICE REPRESENTATIVE

    Detail Data
    SIGNAL NUMBER
              11
    USER'S PROCESS ID:
                  20513234
    FILE SYSTEM SERIAL NUMBER
               1
    INODE NUMBER
                         2
    CORE FILE NAME
    //core
    PROGRAM NAME
    sshd
    CORE FILE NAME
    //core
    PROGRAM NAME
    sshd
    STACK EXECUTION DISABLED
               0
    COME FROM ADDRESS REGISTER
    rmgr_disa FFFFF9F4

    PROCESSOR ID
      hw_fru_id: 1
      hw_cpu_id: 12

    ADDITIONAL INFORMATION
    extend_br 2C4
    extend_br 27C

    Symptom Data
    REPORTABLE
    1
    INTERNAL ERROR
    0
    SYMPTOM CODE
    PCSS/SPI2 FLDS/sshd SIG/11 FLDS/extend_br VALU/2c4 FLDS/rmgr_disa
    ---------------------------------------------------------------------------

  2. Modify sshd_config

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    root@suuxinap01:/etc/ssh# vi sshd_config
    ClientAliveInterval 180

  3. Restart sshd

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    root@suuxinap01:/etc/ssh# stopsrc -s sshd; startsrc -s sshd
    0513-044 The sshd Subsystem was requested to stop.
    0513-059 The sshd Subsystem has been started. Subsystem PID is 7602682.

Contents

  1. sshd core dump