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IV70218: AIX NFS SERVER MAY CRASH DURING TRUNCATE APPLIES TO AIX 7100-02

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

  • 7100-02 - use AIX APAR IV70218
    7100-03 - use AIX APAR IV63659
    

APAR Information

  • APAR number

    IV70218

  • Reported component name

    AIX V7.1

  • Reported component ID

    5765H4000

  • Reported release

    710

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2015-02-28

  • Closed date

    2015-02-28

  • 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 V7.1

  • Fixed component ID

    5765H4000

Applicable component levels

  • R710 PSY U866518

       UP15/09/21 I 1000

PTF to Fileset Mapping



Document information

More support for: AIX Enterprise Edition

Software version: 710

Operating system(s): AIX

Reference #: IV70218

Modified date: 31 December 2015