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IV52766: SYSTEM MAY CRASH SOON AFTER FORCE UNMOUNTING A JFS2 FILE SYSTEM APPLIES TO AIX 7100-03

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 may crash after force unmounting a JFS2 file
    system that has been exported for NFSv4.  The stack
    trace is:
    [00179D74]iPut+0005F4 (F1000A060C69BC80,
     F1000A12002F7000 [??])
    [00179A9C]iPut+00031C (??, ??)
    [003E3938]j2_force_rele+000098 (??)
    [0059BD44]vnop_rele+000084 (??)
    [005B3F5C]vno_close+00005C (??)
    [0064A45C]closef+00005C (??)
    [0055E610]closefd+000150 (??, ??)
    [0055E9C4]closex+000304 (??, ??)
    [0055EC3C]close+00011C (??)
    

Local fix

  • Do not use inherited ACLs or forced unmounts.
    

Problem summary

  • System may crash after force unmounting a JFS2 file
    system that has been exported for NFSv4.  The stack
    trace is:
     00179D74 iPut+0005F4 (F1000A060C69BC80,
     F1000A12002F7000  ?? )
     00179A9C iPut+00031C (??, ??)
     003E3938 j2_force_rele+000098 (??)
     0059BD44 vnop_rele+000084 (??)
     005B3F5C vno_close+00005C (??)
     0064A45C closef+00005C (??)
     0055E610 closefd+000150 (??, ??)
     0055E9C4 closex+000304 (??, ??)
     0055EC3C close+00011C (??)
    

Problem conclusion

  • Free ACL only after ensuring that no one is having a reference
    to it.
    

Temporary fix

Comments

  • 6100-07 - use AIX APAR IV44970
    6100-08 - use AIX APAR IV57774
    6100-09 - use AIX APAR IV51902
    6100-09 - use AIX APAR IV51902
    6100-09 - use AIX APAR IV51902
    7100-01 - use AIX APAR IV57474
    7100-02 - use AIX APAR IV56918
    7100-03 - use AIX APAR IV52766
    

APAR Information

  • APAR number

    IV52766

  • Reported component name

    AIX V7.1

  • Reported component ID

    5765H4000

  • Reported release

    710

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2013-12-02

  • Closed date

    2013-12-02

  • Last modified date

    2014-08-14

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

    IV44970

  • 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 U858978

       UP14/05/22 I 1000

PTF to Fileset Mapping



Document information

More support for: AIX Enterprise Edition

Software version: 710

Operating system(s): AIX

Reference #: IV52766

Modified date: 14 August 2014