OA66101: BATCH FIXES FOR MOUNT NAMESPACE 2403

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• Various failures in mount namespace related functions.
  
  USS-2308 Unmount TFS as a UFS lowerdir stuck
           "Unmount immediate in progress"
  USS-2304 ENOENT referencing a symlink with an absolute
           path name within a container
  USS-2278 BPX2MNT syscall returns incorrect return value
           when using mount flag MS_BIND|MS_REC.
  USS-2248 ABENDEC6 RSN0B600402 UnexpectedErr BPXPRTRM
  USS-2244 Mount namespace was not successfully cleaned up
           after pivot root with bind mount
  USS-2165 unmount has inconsistent behavior with Linux
  USS-2153 UFS unmount fails with The Sync VFS operation is
           not supported
  USS-2122 Nsmt_Unmount decrements a VnodRefs when it should not
  USS-2200 VnodRefs FFFFFFFFx causing latch contention
           preventing clean OMVS shutdown
  USS-2231 ABEND0EC6 RSN0591071E BADVNODE BPXFVNIN
  
  ZOSCP/K
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * All users of z/OS UNIX System Services for                   *
  * HBB77D0 and HBB77E0 using mount namespace                    *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * Various failures in mount namespace                          *
  * related functions.                                           *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  USS-2308 Unmount TFS as a UFS lowerdir stuck
           "Unmount immediate in progress"
  USS-2304 ENOENT referencing a symlink with an absolute
           path name within a container
  USS-2278 BPX2MNT syscall returns incorrect return value
           when using mount flag MS_BIND|MS_REC.
  USS-2248 ABENDEC6 RSN0B600402 UnexpectedErr BPXPRTRM
  USS-2244 Mount namespace was not successfully cleaned up
           after pivot root with bind mount
  USS-2165 unmount has inconsistent behavior with Linux
  USS-2153 UFS unmount fails with The Sync VFS operation is
           not supported
  USS-2122 Nsmt_Unmount decrements a VnodRefs when it should not
  USS-2200 VnodRefs FFFFFFFFx causing latch contention
           preventing clean OMVS shutdown
  USS-2231 ABEND0EC6 RSN0591071E BADVNODE BPXFVNIN
  

Problem conclusion

• Problems are corrected as described in the defects.
  

Temporary fix

Comments

• ×**** PE24/06/18 FIX IN ERROR. SEE APAR OA66647  FOR DESCRIPTION
  ×**** AE24/06/18 FIX IN ERROR. SEE APAR OA66647  FOR DESCRIPTION
  ×**** PE24/07/25 FIX IN ERROR. SEE APAR OA66647  FOR DESCRIPTION
  ×**** PE24/07/25 FIX IN ERROR. SEE APAR OA66647  FOR DESCRIPTION
  

APAR Information

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

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

  UJ94940 UJ94946

Modules/Macros

• BPXFTCLN BPXVRPRU BPXFSMNT BPXFVLKP BPXPRTRM BPXUSPVR BPXTXRXA
  BPXVRCHM
  

Fix information

• Fixed component name

  OPENMVS SYS SRV

• Fixed component ID

  5695SCPX1

Applicable component levels

• R7E0 PSY UJ94940

     UP24/04/10 P F404 ¢

• R7D0 PSY UJ94946

     UP24/04/10 P F404 Ž

Fix is available

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