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IV87503: SYSTEM CRASH IN BMINODEFLUSH APPLIES TO AIX 7100-03

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APAR status

  • Closed as program error.

Error description

  • Under heavy file system use if the inode cache size tunable is
    reduced, then it is possible for the machine to crash with
    variations of the following stack. The two important calls here
    are iRecycle and bmInodeFlush
    STACK:
    Ý002F7D78¨bmInodeFlush@AF123_69+0001B8 (F100010183FC6080,
    F1000100E30C3EF0, 0000000000000000, 000000000000000A,
    000000000212E000, 0000000000000000, 0000000000000000,
    F000000035B4D600 Ý??¨)
    Ý002F40B8¨bmInodeFlush+000038 (??)
    Ý002E4B0C¨pagerUnbind@AF66_41+00012C (??, ??, ??, ??)
    Ý002E3B6C¨pagerUnbind+00002C (??, ??, ??)
    Ý002DE164¨iRecycle+000124 (??, ??, ??)
    Ý002DDDF0¨iPut+000550 (??, ??)
    Ý0036A644¨j2_rele@AF24_6+000024 (??, ??)
    Ý006017C4¨vnop_rele+000084 (??)
    Ý00704E80¨mkdir+000340 (??, ??)
    Ý00003888¨mfspurr_sc_flih01+0000E4 ()
    Ýkdb_get_virtual_memory¨ no real storage @ 11C2B13A0
    Ý100000C88¨0000000100000C88 ()
    Ýkdb_read_mem¨ no real storage @ FFFFFFFFFFF8980
    

Local fix

Problem summary

  • Under heavy file system use if the inode cache size tunable is
    reduced, then it is possible for the machine to crash with
    variations of the following stack. The two important calls here
    are iRecycle and bmInodeFlush
    STACK:
     002F7D78 bmInodeFlush@AF123_69+0001B8 (F100010183FC6080,
    F1000100E30C3EF0, 0000000000000000, 000000000000000A,
    000000000212E000, 0000000000000000, 0000000000000000,
    F000000035B4D600  ?? )
     002F40B8 bmInodeFlush+000038 (??)
     002E4B0C pagerUnbind@AF66_41+00012C (??, ??, ??, ??)
     002E3B6C pagerUnbind+00002C (??, ??, ??)
     002DE164 iRecycle+000124 (??, ??, ??)
     002DDDF0 iPut+000550 (??, ??)
     0036A644 j2_rele@AF24_6+000024 (??, ??)
     006017C4 vnop_rele+000084 (??)
     00704E80 mkdir+000340 (??, ??)
     00003888 mfspurr_sc_flih01+0000E4 ()
     kdb_get_virtual_memory  no real storage @ 11C2B13A0
     100000C88 0000000100000C88 ()
     kdb_read_mem  no real storage @ FFFFFFFFFFF8980
    

Problem conclusion

  • changed conditional
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV87503

  • Reported component name

    AIX V7.1

  • Reported component ID

    5765H4000

  • Reported release

    710

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2016-08-01

  • Closed date

    2016-08-01

  • Last modified date

    2016-08-01

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

    IV65464

  • 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

       UP



Document information

More support for: AIX Enterprise Edition

Software version: 710

Operating system(s): AIX

Reference #: IV87503

Modified date: 01 August 2016