IBM Support

IZ99721: LDMP_PROCESS CONSUMING CPU APPLIES TO AIX 6100-07

A fix is available

Subscribe

You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Sending signal to ldmp_process KPROC causes high CPU
    consumption.
    

Local fix

Problem summary

  • Sending signal to ldmp_process causes high CPU utilization.
    

Problem conclusion

  • If ldmp_process is woken-up by a signal, then remove the signal
    from pending sigmask.
    

Temporary fix

Comments

  • 6100-04 - use AIX APAR IV05580
    6100-05 - use AIX APAR IZ97168
    6100-06 - use AIX APAR IV05103
    6100-07 - use AIX APAR IZ99721
    7100-01 - use AIX APAR IV00869
    

APAR Information

  • APAR number

    IZ99721

  • Reported component name

    AIX 610 STD EDI

  • Reported component ID

    5765G6200

  • Reported release

    610

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2011-05-02

  • Closed date

    2011-05-02

  • Last modified date

    2013-04-16

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

    IZ97168

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

Fix information

  • Fixed component name

    AIX 610 STD EDI

  • Fixed component ID

    5765G6200

Applicable component levels

  • R610 PSY U838167

       UP11/10/20 I 1000

PTF to Fileset Mapping

[{"Business Unit":{"code":"BU009","label":"Systems - Cognitive"},"Product":{"code":"SSMV87","label":"AIX Enterprise Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"610","Edition":""},{"Business Unit":{"code":"BU011","label":"Systems - zSystems software"},"Product":{"code":"SSMVAX","label":"AIX Express Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"610","Edition":""},{"Business Unit":{"code":"BU011","label":"Systems - zSystems software"},"Product":{"code":"SSAUMY","label":"IBM AIX Enterprise Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"610","Edition":""},{"Business Unit":{"code":"BU011","label":"Systems - zSystems software"},"Product":{"code":"SG11Q","label":"APARs - AIX 6.1 environment"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"610","Edition":""}]

Document Information

Modified date:
16 April 2013