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IV31750: GETWD CAN BE SLOW OR HANG IN NON JFS/JFS2 PATHS APPLIES TO AIX 6100-09

A fix is available

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APAR status

  • Closed as program error.

Error description

  • Getwd can show performances problems or hangs in paths
    that involve non jfs or jfs2 filesystems.
    It has been seen in clearcase MVFS filesystems or
    automount
    /namefs but might not be limited to.
    Note this can still happen with IZ94911 installed, there
    is further complication with non jfs or jfs2 filesystems.
    

Local fix

Problem summary

  • getwd() performance within CC/CQ is very slow.
    

Problem conclusion

  • in get_mntdover_ino(), if we are dealing with a vfs who's gfs
    is a GFS_PSEUDOROOT gfs then let the vfs to get the mntdover
    vnode.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV31750

  • Reported component name

    AIX 610 STD EDI

  • Reported component ID

    5765G6200

  • Reported release

    610

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2012-11-09

  • Closed date

    2012-11-09

  • Last modified date

    2013-11-25

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

    IV22023

  • 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 U863332

       UP13/11/25 I 1000

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Document Information

Modified date:
25 November 2013