IV48185: CRASH IN SCSIDISKPIN:SCSIDISK_SFW_SET_ATTRS. APPLIES TO AIX 6100-08

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• Will see an stack trace like the following:
  
  (1)> f
  pvthread+03DF00 STACK:
  [04324C6C]scsidiskpin:scsidisk_sfw_set_attrs+00010C
  (000000000000000B, F100010180D8B080 [??])
  [044527B8]storfwork:sfwdSetDisk+000318 (??)
  [F1000000C0364F6C]cluster:service_callback+00022C (??,
  ??, ??)
  [F1000000C0364498]cluster:Add_event_disk+000A58 (??, ??,
  ??, ??)
  [F1000000C0362D08]cluster:ahafs_Disk_State_register+00068
  8 (??, ??)
  [00014D70].hkey_legacy_gate+00004C ()
  [00572504]ahafs_evprods+000444 (??, ??, ??)
  [00014F50].kernel_add_gate_cstack+000030 ()
  [F1000000C03E1258]ahafs.ext:ahafsEvMonEnable+000318 (??,
  ??, ??, ??, ??, ??, ??, ??)
  [F1000000C03E1E68]ahafs.ext:ahafsRegisterEvent+000128
  (??, ??)
  [F1000000C03ED660]ahafs.ext:ahafs_select+0003E0 (??, ??,
  ??, ??, ??, ??, ??)
  [00014D70].hkey_legacy_gate+00004C ()
  [0059E5B4]vnop_select+000034 (??, ??, ??, ??, ??, ??, ??)
  [00693174]selpoll+0000B4 (??, ??, ??, ??, ??, ??, ??)
  [006910BC]pcache_poll_pccb+0000BC (??, ??, ??)
  [00690E84]pcache_activate_pccb+000044 (??, ??, ??)
  [00691AD0]pollcache_add+0001D0 (??, ??, ??)
  [0068E930]pollset_ctl_1+000290 (??, ??, ??, ??)
  [0068FD5C]pollset_ctl+00001C (??, ??, ??)
  [00003850]ovlya_addr_sc_flih_main+000130 ()
  [kdb_get_virtual_memory] no real storage @ 2FF228D8
  [10000968]10000968 ()
  [kdb_read_mem] no real storage @ FFFFFFFFFFF92F0
  

Local fix

• N/A
  

Problem summary

• Syatem crash when we try to do SFW peration on a disk which is
  removed, and configured again.
  
  (1)> f
  pvthread+03DF00 STACK:
   04324C6C scsidiskpin:scsidisk_sfw_set_attrs+00010C
  (000000000000000B, F100010180D8B080  ?? )
   044527B8 storfwork:sfwdSetDisk+000318 (??)
   F1000000C0364F6C cluster:service_callback+00022C (??,
  ??, ??)
   F1000000C0364498 cluster:Add_event_disk+000A58 (??, ??,
  ??, ??)
   F1000000C0362D08 cluster:ahafs_Disk_State_register+00068
  8 (??, ??)
   00014D70 .hkey_legacy_gate+00004C ()
   00572504 ahafs_evprods+000444 (??, ??, ??)
   00014F50 .kernel_add_gate_cstack+000030 ()
   F1000000C03E1258 ahafs.ext:ahafsEvMonEnable+000318 (??,
  ??, ??, ??, ??, ??, ??, ??)
   F1000000C03E1E68 ahafs.ext:ahafsRegisterEvent+000128
  (??, ??)
   F1000000C03ED660 ahafs.ext:ahafs_select+0003E0 (??, ??,
  ??, ??, ??, ??, ??)
   00014D70 .hkey_legacy_gate+00004C ()
   0059E5B4 vnop_select+000034 (??, ??, ??, ??, ??, ??, ??)
   00693174 selpoll+0000B4 (??, ??, ??, ??, ??, ??, ??)
   006910BC pcache_poll_pccb+0000BC (??, ??, ??)
   00690E84 pcache_activate_pccb+000044 (??, ??, ??)
   00691AD0 pollcache_add+0001D0 (??, ??, ??)
   0068E930 pollset_ctl_1+000290 (??, ??, ??, ??)
   0068FD5C pollset_ctl+00001C (??, ??, ??)
   00003850 ovlya_addr_sc_flih_main+000130 ()
   kdb_get_virtual_memory  no real storage @ 2FF228D8
   10000968 10000968 ()
   kdb_read_mem  no real storage @ FFFFFFFFFFF92F0
  

Problem conclusion

• Code changed to avoid the scenario.
  

Temporary fix

Comments

APAR Information

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

  IV39746

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

  U864738

Fix information

• Fixed component name

  AIX 610 STD EDI

• Fixed component ID

  5765G6200

Applicable component levels

• R610 PSY U864738

     UP14/02/17 I 1000