IJ49541: GANESHA CRASH AT PTHREAD_MUTEX_DESTROY()

APAR status

• Closed as program error.

Error description

• Ganesha crashes will cause "health" alerts. The
  "/var/log/ganesha.log" will contain a crash backtrace that will
  look like free_client_id :RW LOCK :CRIT :Error 16, Destroy mutex
   0x3fff6c2fedd0 (&clientid->cid_mutex) at
  nfs-ganesha-3.5-ibm071.22/SAL/nfs4_clientid.c:348 It contains
  "Error 16" and source code reference
  "nfs-ganesha-3.5-ibm071.22/SAL/nfs4_clientid.c:348"
  

Local fix

Problem summary

• Ganesha crashes will cause "health" alerts. The
  "/var/log/ganesha.log" will contain a crash backtrace that will
  look like free_client_id :RW LOCK :CRIT :Error 16, Destroy mutex
   0x3fff6c2fedd0 (&clientid->cid_mutex) at
  nfs-ganesha-3.5-ibm071.22/SAL/nfs4_clientid.c:348 It contains
  "Error 16" and source code reference
  "nfs-ganesha-3.5-ibm071.22/SAL/nfs4_clientid.c:348"
  

Problem conclusion

• This problem is fixed in 5.1.2.15
  To see all Spectrum Scale APARs and their respective
  Fix solutions refer to page:
  https://public.dhe.ibm.com/storage/spectrumscale/spectrum_scale_
  apars.html
  
  Benefits of the solution:
  Corrected code to avoid crash.
  
  Work Around:
  None
  
  Problem trigger: 
  The problem mostly occurs if there is a delay in processing
  NFSv4 client's renew request due to a resource crunch.
  
  Symptom:
  Ganesha Crash
  
  Platforms affected:
  Linux Only
  
  Functional Area affected:
  NFS
  
  Customer Impact:
  High Importance
  

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

  SPEC SCALE STD

• Fixed component ID

  5737F33AP

Applicable component levels