IV50530: SYSTEM MAY CRASH IN BMINODEFLUSH@AF122_68 APPLIES TO AIX 6100-09

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• System may crash with a stack trace:
  (40)> f
  pvthread+4B0600 STACK:
  [0017E120]bmInodeFlush@AF122_68+000700 (0000000000000000,
   0000000000000280, F1000A200014A000, 0000000003060983,
   0000000000000000, 0000000002C20000, 0000000000000004,
   0000000003060983 [??])
  [0017A138]bmInodeFlush+000038 (??)
  [003704EC]pagerUnbind@AF66_41+00012C (??, ??, ??, ??)
  [0036F5CC]pagerUnbind+00002C (??, ??, ??)
  [001707A8]iRecycle+000128 (??, ??, ??)
  [0016C46C]iAlloc+0003AC (??, ??)
  [00170EF0]iGet+0001D0 (??, ??, ??, ??, ??)
  [003E0034]j2_lookup+000454 (??, ??, ??, ??, ??, ??)
  [00588944]vnop_lookup+000184 (??, ??, ??, ??, ??, ??)
  [0054AFA4]lookuppn+000A04
   (??, ??, ??, ??, ??, ??, ??, ??)
  [0054B760]lookupname_internal+0000A0
   (??, ??, ??, ??, ??, ??, ??, ??)
  [0054B884]lookupname_cur+000024
   (??, ??, ??, ??, ??, ??, ??)
  [0059FE14]statx+0001D4 (??, ??, ??, ??)
  
  There is also another thread going through bmIODone:
  (40)> f 15045
  [00537580]slock+000120 (F1000A07A274C7E8,
   F1000815B088C850 [??])
  [00009558].simple_lock+000058 ()
  [00178634]bmIODone+0007D4 (??)
  [0017EF34]internal_iodone_offl+000174 (??, ??)
  [0017ED80]iodone_offl+000080 ()
  [0018255C]i_softmod+00043C ()
  [001AF4EC]flih_util+000258 ()
  

Local fix

• N/A
  

Problem summary

• System may crash with a stack trace:
  (40)> f
  pvthread+4B0600 STACK:
   0017E120 bmInodeFlush@AF122_68+000700 (0000000000000000,
   0000000000000280, F1000A200014A000, 0000000003060983,
   0000000000000000, 0000000002C20000, 0000000000000004,
   0000000003060983  ?? )
   0017A138 bmInodeFlush+000038 (??)
   003704EC pagerUnbind@AF66_41+00012C (??, ??, ??, ??)
   0036F5CC pagerUnbind+00002C (??, ??, ??)
   001707A8 iRecycle+000128 (??, ??, ??)
   0016C46C iAlloc+0003AC (??, ??)
   00170EF0 iGet+0001D0 (??, ??, ??, ??, ??)
   003E0034 j2_lookup+000454 (??, ??, ??, ??, ??, ??)
   00588944 vnop_lookup+000184 (??, ??, ??, ??, ??, ??)
   0054AFA4 lookuppn+000A04
   (??, ??, ??, ??, ??, ??, ??, ??)
   0054B760 lookupname_internal+0000A0
   (??, ??, ??, ??, ??, ??, ??, ??)
   0054B884 lookupname_cur+000024
   (??, ??, ??, ??, ??, ??, ??)
   0059FE14 statx+0001D4 (??, ??, ??, ??)
  

Problem conclusion

• correct serialization of the buffers
  

Temporary fix

Comments

• 6100-07 - use AIX APAR IV47000
  6100-08 - use AIX APAR IV57775
  6100-09 - use AIX APAR IV50530
  6100-09 - use AIX APAR IV50530
  6100-09 - use AIX APAR IV50530
  7100-01 - use AIX APAR IV57475
  7100-02 - use AIX APAR IV56920
  7100-03 - use AIX APAR IV50840
  

APAR Information

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

  IV47000

• 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 U859304

     UP14/05/21 I 1000

PTF to Fileset Mapping

• U859304 bos.mp64 6.1.9.15