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PM49234: MVFS info logging for view XID prints 'xid mismatch' error

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • MVFS info logging for view XIDs incorrectly prints values
    
    
    
    ClearCase 7.1.x
    
    
    RedHat Linux
    
    
    
    Problem Description:
    
    When setting the MVFS logging to debug, the following is noted
    within the logs:
    
    mvfs: Ok: INFO: View op view_lookup xid mismatch: resp 861a8707,
    rqst ffffffff861a8707
    mvfs: Ok: INFO: View op view_lookup xid mismatch: resp 861a870a,
    rqst ffffffff861a870a
    mvfs: Ok: INFO: View op choid xid mismatch: resp 861a8709, rqst
    ffffffff861a8709
    
    As seen above, the bitwise comparison and printing is incorrect.
    
    
    Workaround:  none
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    Under consistent heavy load on a given ClearCase dynamic
    view client, "xid mismatch" errors are encountered in MVFS
    and is logged accordingly in mvfs_log.
    

Problem conclusion

  • A fix is available in ClearCase versions 7.1.2.8 and 8.0.0.4
    

Temporary fix

Comments

APAR Information

  • APAR number

    PM49234

  • Reported component name

    CLRCASE MSITE U

  • Reported component ID

    5724G3201

  • Reported release

    701

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2011-10-03

  • Closed date

    2012-09-26

  • Last modified date

    2012-09-26

  • 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

    CLRCASE MSITE U

  • Fixed component ID

    5724G3201

Applicable component levels

  • R701 PSN

       UP

[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSSH3S","label":"Rational ClearCase MultiSite"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"7.0.1","Edition":"","Line of Business":{"code":"LOB36","label":"IBM Automation"}}]

Document Information

Modified date:
26 September 2012