IV65464: SYSTEM CRASH IN BMINODEFLUSH APPLIES TO AIX 7100-03

Obtain the fix for this APAR.

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

• 6100-09 - use AIX APAR IV65465
  7100-03 - use AIX APAR IV65464
  

APAR Information

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

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

  IV65465 IV65611 IV87503

Fix information

• Fixed component name

  AIX V7.1

• Fixed component ID

  5765H4000

Applicable component levels

• R710 PSY U865837

     UP15/05/19 I 1000

PTF to Fileset Mapping

• U865837 bos.mp64 7.1.3.45

• U862090 bos.mp64 7.1.3.30