IV30904: MACHINE CRASHED WHEN DOING FORCE UNMOUNT ON A DEGRADED J2 FILE APPLIES TO AIX 6100-07

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• machine crashed when doing force unmount on a degraded j2 file
  system.
  (0)> f
  pvthread+02CC00 STACK:
  ￭002B4314iUnmount+000494 (0000000000000000, 0000000000000000,
     0000000000000000 ￭??)
  ￭00340A28umount_fs_degraded+000268 (??, ??)
  ￭003420E4j2_umount+000164 (??, ??, ??)
  ￭00606F18vfs_unmount+000098 (??, ??, ??)
  ￭006D703Ckunmount+0000DC (??, ??, ??)
  ￭006D7888uvmount+000208 (??, ??)
  ￭00003888mfspurr_sc_flih01+0000E4 ()
  ￭kdb_get_virtual_memory no real storage @ 2FF21C88
  ￭10005BA810005BA8 ()
  ￭kdb_read_mem no real storage @ FFFFFFFFFFF94E0
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:
  * Systems running the 6100-07 Technology Levels with the
  * bos.mp64 fileset between and including the levels of 6.1.7.15
  * and 6.1.7.17.
  ****************************************************************
  * PROBLEM DESCRIPTION:
  * Sachine crash when doing force unmount on a degraded j2 file
  * system.
  * (0)> f
  * pvthread+02CC00 STACK:
  *  002B4314 iUnmount+000494 (0000000000000000, 0000000000000000,
  *    0000000000000000  ?? )
  *  00340A28 umount_fs_degraded+000268 (??, ??)
  *  003420E4 j2_umount+000164 (??, ??, ??)
  *  00606F18 vfs_unmount+000098 (??, ??, ??)
  *  006D703C kunmount+0000DC (??, ??, ??)
  *  006D7888 uvmount+000208 (??, ??)
  *  00003888 mfspurr_sc_flih01+0000E4 ()
  *  kdb_get_virtual_memory  no real storage @ 2FF21C88
  *  10005BA8 10005BA8 ()
  *  kdb_read_mem  no real storage @ FFFFFFFFFFF94E0
  ****************************************************************
  * RECOMMENDATION:
  * Install APAR IV30904.
  ****************************************************************
  

Problem conclusion

• remove the invalid assert and recycle the inode correctly
  

Temporary fix

Comments

• 6100-07 - use AIX APAR IV30904
  6100-08 - use AIX APAR IV24508
  6100-08 - use AIX APAR IV24508
  7100-02 - use AIX APAR IV24636
  

APAR Information

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

  IV24508

• 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 U854618

     UP13/03/22 I 1000

PTF to Fileset Mapping

• U854618 bos.mp64 6.1.7.18