IV50052: SYSTEM CRASH IN BMINODEFLUSH

APAR status

• Closed as program error.

Error description

• system crashed with the following stack:
  
  pvthread+026900 STACK:
  
  [002A8A48]bmInodeFlush@AF123_69+0001C8 (F1000A05F5972C80,
  
  F1000A03F29FE658, 0000000000000000, 000000000000000A,
  000000000212D000,
  
  0000000000000000,0000000000000000, F00000003009B600 [??])
  
  [002A4D78]bmInodeFlush+000038 (??)
  
  [002957CC]pagerUnbind@AF66_41+00012C (??, ??, ??, ??)
  
  [002948AC]pagerUnbind+00002C (??, ??, ??)
  
  [0028F09C]iRecycle+00019C (??, ??, ??)
  
  [0028AC0C]iAlloc+0003AC (??, ??)
  
  [0028F7D0]iGet+0001D0 (??, ??, ??, ??, ??)
  
  [003125F4]j2_lookup+000454 (??, ??, ??, ??, ??, ??)
  
  [005C8404]vnop_lookup+000184 (??, ??, ??, ??, ??, ??)
  
  [0058C124]lookuppn+000A04 (??, ??, ??, ??, ??, ??, ??,
  ??)
  
  [0058C8E0]lookupname_internal+0000A0 (??, ??, ??, ??, ??,
  ??, ??, ??)
  
  [0058CA04]lookupname_cur+000024 (??, ??, ??, ??, ??, ??,
  ??)
  
  [005E0394]statx+0001D4 (??, ??, ??, ??)
  
  [00003888]mfspurr_sc_flih01+0000E4 ()
  

Local fix

Problem summary

• System crash with the stack trace showing bmInodeFlush:
  
  pvthread+017800 STACK:   00188DD0 bmInodeFlush@AF123_69+000110
  (0000000000000001, 0000000000000000,
     0000000000000000, 000000000178008B, 0000000000000000,
     0000000002C30000, 0000000000000004, 000000000178008B  ?? )
   001851B8 bmInodeFlush+000038 (??)
   0037B7CC pagerUnbind@AF66_41+00012C (??, ??, ??, ??)
   0037A8AC pagerUnbind+00002C (??, ??, ??)
   0017B49C iRecycle+00019C (??, ??, ??)
   00177D54 iUnmount+000314 (??, ??, ??)
   003DCB80 umount_fs+0001C0 (??, ??)  003DD494 j2_umount+000194
  (??, ??, ??)  005A6958 vfs_unmount+000098 (??, ??, ??)
   006549DC kunmount+0000DC (??, ??, ??)  00655228 uvmount+000208
  (??, ??)  00003888 mfspurr_sc_flih01+0000E4 ()
   10005C08 helper_UMfunc+000028 (??, ??)
   100035A8 dounmount+0000E8 (??, ??, ??, ??)
   10003EC8 umountmain+000188 (??, ??)  1000062C main+0000CC (??,
  ??)  10000168 __start+000068 ()
  

Problem conclusion

• Ensure that the fields are accessed with locks held.
  

Temporary fix

Comments

APAR Information

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

  IV46598

• 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

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