IC65830: AIX AND WINDOWS SYSTEM CRASHES WHEN USING DDTRACE COMMANDS

APAR status

• Closed as program error.

Error description

• Starting the device driver tracing via the DDTRACE commands can
  cause a kernel panic on AIX and a blue screen on Windows. The
  following call stack was seen in the AIX dump:
  .
  pvthread+029500 STACK:
  ￭0477E0F0dd_trace_memcpy+00003C (F00000003040EE52,
     00000000048DAFFF, 0000000000000000 ￭??)
  ￭0477ED14dd_trace+000380 (??)
  ￭0477E6D0dd_start_trace+000184 (??, ??, ??, ??, ??, ??, ??, ??)
  ￭047925ACunix_analyze_io_results+000284 (??)
  ￭0478CAC0ps_analyze_io_results+000058 (??)
  ￭04788E34dd_scsi_cmd+00036C (??, ??, ??)
  ￭047A56DCunix_process_io_buf+0003A8 (??, ??)
  ￭047A59E4unix_strategy+00019C (??)
  ￭0477D748adsm_strategy+000058 (??)
  ￭001C5CD4uphystart+000070 (??, ??, ??)
  ￭004709E0uphysio+000450 (??, ??, ??, ??, ??, ??, ??)
  ￭0477D670ps_physio+000078 (??, ??, ??)
  ￭0460F098dd_read+000228 (??, ??)
  ￭0460EDE8unix_read+0001A0 (??)
  ￭0460EBBCadsm_read+000094 (??, ??, ??, ??)
  ￭003EE7C4rdevread+0000A8 (??, ??, ??, ??)
  ￭005243B8cdev_rdwr+0000C8 (??, ??, ??, ??, ??, ??, ??)
  ￭004C3AA4spec_rdwr+00010C (??, ??, ??, ??, ??, ??, ??, ??)
  ￭00402570vnop_rdwr+00019C (??, ??, ??, ??, ??, ??, ??, ??)
  ￭00445CB4vno_rw+00006C (??, ??, ??, ??)
  ￭003D2358rwuio+0000C8 (??, ??, ??, ??, ??)
  ￭003D2570rdwr+000104 (??, ??, ??, ??, ??)
  ￭003D2230kread+000044 (??, ??, ??)
  ￭00003810.svc_instr+000110 ()
  ￭kdb_get_memory no real storage @ 11E6FDF90
  .
  Bugcheck code 0x50 PAGE_FAULT_IN_NONPAGED_AREA with the
  following call stack was seen on Windows:
  .
  STACK_TEXT:
  nt!KeBugCheckEx+0x1b
  nt!MmAccessFault+0x813
  nt!KiTrap0E+0xdc
  tsmscsi!dd_trace_memcpy+0x19
  tsmscsi!dd_trace+0x483
  tsmscsi!dd_start_trace+0x30e
  tsmscsi!TSMReadWrite+0x677
  nt!IofCallDriver+0x45
  nt!IopSynchronousServiceTail+0x10b
  nt!NtWriteFile+0x663
  nt!KiFastCallEntry+0xfc
  .
  This problem was introduced by the fix for APAR IC54447
  Initial Impact: Low
  Tivoli Storage Manager Versions Affected: All TSM Servers on AIX
    and Windows
  Additional Keywords: TSM panic dump core crashing BSOD blue
                       screen IC60273 IC54447
  | MDVPARTL 5.5.3.0 |
  | MDVPARTL 6.1.2.0 |
  .
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED: All TSM Server users of the DDTRACE command  *
  *                 on AIX and Windows.                          *
  ****************************************************************
  * PROBLEM DESCRIPTION: See ERROR DESCRIPTION                   *
  ****************************************************************
  * RECOMMENDATION: Apply fixing level when available. This      *
  *                 problem is currently projected to be fixed   *
  *                 in levels 5.4.6, 5.5.4.2, 5.5.5, 6.1.3.2 and *
  *                                                              *
  *                 6.1.4. Note that this is subject to change   *
  *                 at the discretion of IBM.                    *
  ****************************************************************
  *
  

Problem conclusion

• The problem has been fixed in the Tivoli Storage Manager
  device driver.
  
  Affected platforms: AIX and Windows
  

Temporary fix

Comments

APAR Information

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

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

Fix information

• Fixed component name

  TSM SERVER

• Fixed component ID

  5698ISMSV

Applicable component levels

• R51A PSN

     UP

• R51H PSN

     UP

• R51L PSN

     UP

• R51P PSN

     UP

• R51S PSN

     UP

• R51W PSN

     UP

• R51Z PSN

     UP

• R52A PSN

     UP

• R52H PSN

     UP

• R52L PSN

     UP

• R52P PSN

     UP

• R52S PSN

     UP

• R52W PSN

     UP

• R52Z PSN

     UP

• R53A PSN

     UP

• R53H PSN

     UP

• R53L PSN

     UP

• R53S PSN

     UP

• R53W PSN

     UP

• R53Z PSN

     UP

• R54A PSY

     UP

• R54H PSN

     UP

• R54L PSN

     UP

• R54S PSN

     UP

• R54W PSY

     UP

• R54Z PSN

     UP

• R55A PSY

     UP

• R55H PSN

     UP

• R55L PSN

     UP

• R55S PSN

     UP

• R55W PSY

     UP

• R55Z PSN

     UP

• R61A PSY

     UP

• R61H PSN

     UP

• R61L PSN

     UP

• R61S PSN

     UP

• R61W PSY

     UP

• R61Z PSN

     UP