IJ40298: SYSTEM CRASH IN VNC_PURGE() WITH SKEY EXCEPTION APPLIES TO AIX 7200-05

APAR status

• Closed as program error.

Error description

• System can crash with the following stack trace with SKEY
  exception:
  
  CRASH INFORMATION:
  CPU 1 CSA F00000002FF47600 at time of crash, error code
  for LEDs: 30000000
  pvthread+00D600 STACK:
  [00771FC0]vnc_purge@AF18_5+0000E0 (F1000A06A9556C20,
  0000000400000000 [??])
  [00601178]getip+000138 (??)
  [00603218]_iget+0003B8 (??, ??, ??, ??, ??)
  [007C31B0]moveblocks+000210 (??, ??, ??, ??)
  [007C3F40]jfs_cntl+000100 (??, ??, ??, ??, ??)
  [0069926C]vfs_cntl+00016C (??, ??, ??, ??, ??)
  [006A293C]fscntl+0001BC (??, ??, ??, ??)
  [00003938]syscall+000230 ()
  

Local fix

• Use JFS2 filesystems.
  

Problem summary

• System can crash with the following stack trace with SKEY
  exception:
  
  CRASH INFORMATION:
  CPU 1 CSA F00000002FF47600 at time of crash, error code
  for LEDs: 30000000
  pvthread+00D600 STACK:
   00771FC0 vnc_purge@AF18_5+0000E0 (F1000A06A9556C20,
  0000000400000000  ?? )
   00601178 getip+000138 (??)
   00603218 _iget+0003B8 (??, ??, ??, ??, ??)
   007C31B0 moveblocks+000210 (??, ??, ??, ??)
   007C3F40 jfs_cntl+000100 (??, ??, ??, ??, ??)
   0069926C vfs_cntl+00016C (??, ??, ??, ??, ??)
   006A293C fscntl+0001BC (??, ??, ??, ??)
   00003938 syscall+000230 ()
  

Problem conclusion

• Added the required storage key.
  

Temporary fix

Comments

• 7200-05 - use AIX APAR IJ40298
  7300-01 - use AIX APAR IJ40363
  

APAR Information

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

  IJ39070

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

Fix information

• Fixed component name

  AIX V7.2

• Fixed component ID

  5765CD200

Applicable component levels

• R720 PSY U887334

     UP22/11/14 I 1000