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IZ83302: NFSV4 SERVER SYSTEM CRASH IN END_OPEN_PROCESS_FR APPLIES TO AIX 6100-06

A fix is available

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APAR status

  • Closed as program error.

Error description

  • NFSv4 server system crash with following stack:
    
    (0)> f
    pvthread+01E600 STACK:
    [04C5CE78]end_open_process_fr+000E58 (F100068001309040,
    0000000000000000,
       0000000000000001, 0000000004CE4138, 0000000000000000,
    F1000680013034C0,
       0000000000000003, 0FFFFFFFF4585FD0 [??])
    [04C69FB4]sm4_end_open+0003D4 (??, ??)
    [04CB40F0]open_nocreate+000450 (??, ??, ??, ??)
    [04CB64AC]rfs4_open+00026C (??)
    [04B8D92C]rfs4_dispatch_i+00002C (??)
    [04B8E128]rfs4_dispatch+000568 (??, ??)
    [04B51440]svc_getreq+0008A0 (??)
    [001E697C]threadentry+00005C (??, ??, ??, ??)
    [kdb_read_mem] no real storage @ FFFFFFFFFFF9330
    

Local fix

Problem summary

  • NFSv4 server system may crash with following stack:
    
    (0)> f
    pvthread+01E600 STACK:
     04C5CE78 end_open_process_fr+000E58 (F100068001309040,
    0000000000000000,
    0000000000000001, 0000000004CE4138, 0000000000000000,
    F1000680013034C0,
    0000000000000003, 0FFFFFFFF4585FD0  ?? )
     04C69FB4 sm4_end_open+0003D4 (??, ??)
     04CB40F0 open_nocreate+000450 (??, ??, ??, ??)
     04CB64AC rfs4_open+00026C (??)
     04B8D92C rfs4_dispatch_i+00002C (??)
     04B8E128 rfs4_dispatch+000568 (??, ??)
     04B51440 svc_getreq+0008A0 (??)
     001E697C threadentry+00005C (??, ??, ??, ??)
     kdb_read_mem  no real storage @ FFFFFFFFFFF9330
    

Problem conclusion

  • Removed an invalid check in the NFSv4 server code.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IZ83302

  • Reported component name

    AIX 610 STD EDI

  • Reported component ID

    5765G6200

  • Reported release

    610

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2010-08-22

  • Closed date

    2010-08-22

  • Last modified date

    2013-03-27

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

    IZ79769

  • 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 U835918

       UP11/05/10 I 1000

PTF to Fileset Mapping

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Document Information

Modified date:
27 March 2013