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IZ59139: QP/CQ CLOSE DURING MEMORY MIGRATION CAN CAUSE CRASH APPLIES TO AIX 5300-09

A fix is available

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APAR status

  • Closed as program error.

Error description

  • CRASH INFORMATION:
    5
    CPU 18 CSA 01BCD200 at time of crash, error code for
    LEDs: 30000000
    pvthread+001100 STACK:
    [0423CFE8]gxib_rpn_query+000194 (0000000000000000,
    0000000000000400
    [??])
    [0423D550]gxib_mem_migrate+00008C (??, ??, ??)
    [0018AB24]dr_dma_rpn_query+0000F4 (??, ??, ??, ??)
    [0018C1A4]v_drdma_mig_pre+0000B4 (??, ??, ??, ??, ??)
    [0018EA28]v_migrate_page_dr+0005BC (??, ??, ??, ??, ??,
    ??, ??)
    [0018FAF8]v_migrate_dr+000330 (??, ??)
    
    If a memory migration occurs as an IB link is shutting
    the above crash may result.
    

Local fix

  • N/A
    

Problem summary

  • System crash in IB Galaxy driver with the following stack:
    (18)> f
    pvthread+001100 STACK:
     0423CFE8 gxib_rpn_query+000194 (0000000000000000,...)
     0423D550 gxib_mem_migrate+00008C (??, ??, ??)
     0018AB24 dr_dma_rpn_query+0000F4 (??, ??, ??, ??)
     0018C1A4 v_drdma_mig_pre+0000B4 (??, ??, ??, ??, ??)
     0018EA28 v_migrate_page_dr+0005BC (??, ??, ??, ??, ??, ??, ??)
     0018FAF8 v_migrate_dr+000330 (??, ??)
     002EDBF4 .backt+000088 ()
    

Problem conclusion

  • Ensure channel array is protected during memory migration
    

Temporary fix

Comments

  • 5300-09 - use AIX APAR IZ59139
    5300-10 - use AIX APAR IZ64847
    5300-11 - use AIX APAR IZ66315
    6100-04 - use AIX APAR IZ64531
    

APAR Information

  • APAR number

    IZ59139

  • Reported component name

    AIX 5.3

  • Reported component ID

    5765G0300

  • Reported release

    530

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2009-08-21

  • Closed date

    2009-10-22

  • Last modified date

    2013-03-28

Fix information

  • Fixed component name

    AIX 5.3

  • Fixed component ID

    5765G0300

Applicable component levels

  • R530 PSY U830161

       UP10/03/23 I 1000

PTF to Fileset Mapping

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Document Information

Modified date:
28 March 2013