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PM58408: Memory leak within the MVFS on HP-UX 11.31 PARISC causes builds to eventually fail and a system reboot to clear problem

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APAR status

  • Closed as program error.

Error description

  • Memory leak within the MVFS on HP-UX 11.31 PARISC causes builds
    to eventually fail and a system reboot to clear problem
    
    
    ClearCase 7.1.2.3
    
    HP-UX 11.31
    
    
    Problem Description:
    
    There is an apparent leak within PM_CRED causing performance
    problems and builds to eventually fail:  A system reboot clears
    the problem till the next time the memory is exhausted.  The
    following are the candidate backtraces that appear to be
    problematic:
    
    mvfs:mdki_get_ucred+0x20
    mvfs:mfs_lookupvp+0x78
    mvfs:mvfs_hpux_lookup_component+0x94
    mvfs:mvfs_lookup_ctx+0x534
    mvfs:mfs_lookup+0x18
    mvfs:mfs_hpux_lookup+0x20
    lookuppnvp+0x1f8
    lookuppn+0x58
    lookupname+0x40
    vn_open+0xa4
    
    mvfs:mfs_lookupvp+0xa8
    mvfs:mvfs_hpux_lookup_component+0x94
    mvfs:mvfs_lookup_ctx+0x534
    mvfs:mfs_lookup+0x18
    mvfs:mfs_hpux_lookup+0x20
    lookuppnvp+0x1f8
    lookuppn+0x58
    lookupname+0x40
    vn_open+0xa4
    copen+0xa4
    
    mvfs:mfs_lookupvp+0x1a0
    mvfs:mvfs_hpux_lookup_component+0x94
    mvfs:mvfs_lookup_ctx+0x534
    mvfs:mfs_lookup+0x18
    mvfs:mfs_hpux_lookup+0x20
    lookuppnvp+0x1f8
    lookuppn+0x58
    lookupname+0x40
    vn_open+0xa4
    copen+0xa4
    
    mvfs:mdki_get_ucred+0x20
    mvfs:mfs_lookupvp+0x78
    mvfs:mvfs_hpux_lookup_component+0x94
    mvfs:mvfs_lookup_ctx+0x534
    mvfs:mfs_lookup+0x18
    mvfs:mfs_hpux_lookup+0x20
    lookuppnvp+0x1f8
    lookuppn+0x58
    lookupname+0x40
    stat1+0x3c
    
    mvfs:mfs_lookupvp+0xa8
    mvfs:mvfs_hpux_lookup_component+0x94
    mvfs:mvfs_lookup_ctx+0x534
    mvfs:mfs_lookup+0x18
    mvfs:mfs_hpux_lookup+0x20
    lookuppnvp+0x1f8
    lookuppn+0x58
    lookupname+0x40
    stat1+0x3c
    stat+0x20
    
    mvfs:mfs_lookupvp+0x1a0
    mvfs:mvfs_hpux_lookup_component+0x94
    mvfs:mvfs_lookup_ctx+0x534
    mvfs:mfs_lookup+0x18
    mvfs:mfs_hpux_lookup+0x20
    lookuppnvp+0x1f8
    lookuppn+0x58
    lookupname+0x40
    stat1+0x3c
    stat+0x20
    
    
    Workaround:  None
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    A memory leak in the kernel of either HP-UX 11.23 or 11.31
    was identified.
    

Problem conclusion

  • This problem is fixed in ClearCase 7.1.1.9, 7.1.2.6,
    and8.0.0.2.
    

Temporary fix

Comments

APAR Information

  • APAR number

    PM58408

  • Reported component name

    CLEARCASE UNIX

  • Reported component ID

    5724G2901

  • Reported release

    712

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-02-16

  • Closed date

    2012-04-05

  • Last modified date

    2012-04-05

  • 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

    CLEARCASE UNIX

  • Fixed component ID

    5724G2901

Applicable component levels

  • R712 PSN

       UP



Document information

More support for: Rational ClearCase

Software version: 7.1.2

Reference #: PM58408

Modified date: 05 April 2012