IBM Support

IJ06268: DBUS COMPONENT OF SYSTEMD CAN SOMETIMES ENTER A HUNG STATE CAUSING SOME RHEL COMMANDS TO FAIL TO RUN AS EXPECTED

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APAR status

  • Closed as program error.

Error description

  • It has been identified that there is an issue within the Red
    Hat Enterprise Linux (RHEL) dbus component of systemd that can
    sometimes cause it to become hung on computer systems with high
    memory utilization.
    
    https://access.redhat.com/errata/RHBA-2018:0711
    
    Messages similar to the following might be visible on an
    affected appliance in /var/log/messages when this issue is
    occurring:
    
    host.example.com systemd[1]: Failed to fork: Cannot allocate
    memory
    host.example.com systemd[1]: Assertion 'pid >= 1' failed at
    src/core/unit.c:1997, function unit_watch_pid(). Aborting.
    host.example.com systemd[1]: Caught <ABRT>, cannot fork for
    core dump: Cannot allocate memory
    host.example.com systemd[1]: Freezing execution.
    

Local fix

  • Rebooting the affected appliance is the recommended way to
    proprerly recover from this state:
    Admin -> System and License Management -> select the affected
    appliance -> Actions drop down -> Restart System
    

Problem summary

  • This issue was fixed in QRadar QRM QVM release of 731 patch 6.
    

Problem conclusion

  • This issue was fixed in QRadar QRM QVM release of 731 patch 6.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IJ06268

  • Reported component name

    QRADAR SOFTWARE

  • Reported component ID

    5725QRDSW

  • Reported release

    730

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2018-05-08

  • Closed date

    2018-09-18

  • Last modified date

    2018-09-18

  • APAR is sysrouted FROM one or more of the following:

  • APAR is sysrouted TO one or more of the following:

Fix information

  • Fixed component name

    QRADAR SOFTWARE

  • Fixed component ID

    5725QRDSW

Applicable component levels

[{"Business Unit":{"code":"BU048","label":"IBM Software"}, "Product":{"code":"SSBQAC","label":"IBM Security QRadar SIEM"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"730","Edition":""}]

Document Information

Modified date:
18 September 2018