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IV63932: AIX NFS SERVER MAY CRASH DURING TRUNCATE APPLIES TO AIX 6100-09

A fix is available

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • System running as NFS server on AIX 7.1 TL3 may crash
    with CIO enabled in the following stack:
    
    (0)> f
    pvthread+029600 STACK:
    [00023900]abend_trap+000000 ()
    [00643DCC]vm_flushp+00044C (??, ??, ??)
    [00315EE8]vmFlush+000048 (??, ??, ??, ??)
    [00356C98]j2_ftruncate+000298 (??, ??, ??, ??, ??)
    [0066E5D0]vnop_ftrunc+0000D0 (??, ??, ??, ??, ??)
    [00014F50].kernel_add_gate_cstack+000030 ()
    [064D7DE8]VOP_SETATTR+000128 (??, ??, ??, ??)
    [064D6CC0]rfs3_setattr+000320 (??, ??, ??, ??, ??, ??)
    [0636D094]rfs_dispatch+0008B4 (??, ??)
    [06310F04]svc_getreq+000884 (??)
    [00267CD4]threadentry+000054 (??, ??, ??, ??)
    [kdb_read_mem] no real storage @ FFFFFFFFFFF8CF0
    

Local fix

Problem summary

  • System may crash during truncate in a J2 filesystem
    

Problem conclusion

  • Make necessary checks while winding up truncate operation, to
    avoid system assert.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV63932

  • Reported component name

    AIX 610 STD EDI

  • Reported component ID

    5765G6200

  • Reported release

    610

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2014-08-22

  • Closed date

    2014-08-22

  • Last modified date

    2015-12-31

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

    IV63659

  • 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 U861403

       UP15/11/22 I 1000

PTF to Fileset Mapping



Document information

More support for: AIX Standard Edition

Software version: 610

Operating system(s): AIX

Reference #: IV63932

Modified date: 31 December 2015