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IV51910: CRASH IN HD_TERMINATE DUE TO NFS thread issue 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

  • AIX NFS server may crash in the following stack due to
    JFS2 log I/O not serialized by NFS thread issue.
    
    (60)> f
    pvthread+008100 STACK:
    [05B02710]hd_terminate+0000D0 (0000000000000000,
    0000000000000000 [??])
    [05AFB660]hd_finished+0000E0 (??)
    [05AF4CE8]hd_end+000168 (??)
    [00197E50]internal_iodone_offl+000170 (??, ??)
    [00197C98]iodone_offl+000078 ()
    [0019B518]i_softmod+000418 ()
    [001ECBCC]flih_util+000258 ()
    ____ Exception (F00000002FF47600) ____
    
    You can confirm by checking on the device type. If it is
    a JFS2 log device, then this APAR applies.
    
    (60)> buf @r31
                                      DEV    BLKNO FLAGS
    
      0 F1000A03208DA4E0 8000002C00000008 0000CBA0 NOHIDE
    MPSAFE INITIAL BUFXINI
    
    (60)> hcal 2C
    Value hexa: 0000002C          Value decimal: 44
    
    (60)> lvol -M 44 -m 8 | grep lv_name
    lv_name............ jfs2log00
    
    jfs2log00           jfs2log    1       1       1
    open/syncd    N/A
    

Local fix

Problem summary

  • CRASH IN HD_TERMINATE DUE TO NFS thread issue
    

Problem conclusion

  • Algorith of how the thread is woken up by dispatch routine and
    the timer routine is modified to make it work.
    

Temporary fix

Comments

  • 6100-09 - use AIX APAR IV51910
    6100-09 - use AIX APAR IV51910
    6100-09 - use AIX APAR IV51910
    7100-03 - use AIX APAR IV51605
    

APAR Information

  • APAR number

    IV51910

  • Reported component name

    AIX 610 STD EDI

  • Reported component ID

    5765G6200

  • Reported release

    610

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2013-11-11

  • Closed date

    2013-11-11

  • Last modified date

    2014-05-22

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

    IV47209

  • 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 U859271

       UP14/05/21 I 1000

PTF to Fileset Mapping



Document information

More support for: AIX Enterprise Edition

Software version: 610

Operating system(s): AIX

Reference #: IV51910

Modified date: 22 May 2014