IT23701: SERVER CAN CRASH IN SMSENDTCPDATA WHEN USING REPLICATE NODE WITH ASPERA FASP HIGH SPEED DATA TRANSFER.

8.1.5.000-IBM-SPCMS-WindowsX64
8.1.5.000-IBM-SPCMS-WindowsI32
8.1.5.000-IBM-SPCMS-Linuxx86_64
8.1.5.000-IBM-SPOC-WindowsX64
8.1.5.000-IBM-SPOC-Linuxx86_64
8.1.5.000-IBM-SPOC-Linuxs390x
8.1.5.000-IBM-SPOC-LinuxPPC64le
8.1.5.000-IBM-SPOC-AIX
8.1.5.000-IBM-SPSRV-WindowsX64
8.1.5.000-IBM-SPSRV-Linuxx86_64
8.1.5.000-IBM-SPSRV-Linuxs390x
8.1.5.000-IBM-SPSRV-Linuxppc64le
8.1.5.000-IBM-SPSRV-AIX
IBM Spectrum Protect Server V8.1 Fix Pack 5 (V8.1.5) Downloads

APAR status

• Closed as program error.

Error description

• Server crash can occur, when using replicate node, with
  Aspera FASP high speed data transfer enabled by
  transfermethod=fasp option.
  
  getcoreinfo.txt on Linux x86_64 will show similar to:
  
  #0  0x00007ffff3446625 in raise () from /lib64/libc.so.6
  #1  0x00007ffff3447e05 in abort () from /lib64/libc.so.6
  #2  0x00007fff3c31ad07 in masterSynchSignalHandler () from
  /opt/tivoli/tsm/server/bin/../../jre/lib/amd64/compressedrefs/li
  bj9prt28
  .so
  #3  <signal handler called>
  #4  smSendTcpData (fd=0, dataP=0x7ffc05348160, dataLen=1053,
  argP=0x7ffc07b2a1c0 "\350\065\205\357\373\177") at
  smtrans.c:8382
  #5  0x00007ffff6fa7d0a in ?? () from
  /usr/local/ibm/gsk8_64/lib64/libgsk8ssl_64.so
  #6  0x00007ffff701267f in ?? () from
  /usr/local/ibm/gsk8_64/lib64/libgsk8ssl_64.so
  #7  0x00007ffff700fbc3 in ?? () from
  /usr/local/ibm/gsk8_64/lib64/libgsk8ssl_64.so
  #8  0x00007ffff7010c72 in ?? () from
  /usr/local/ibm/gsk8_64/lib64/libgsk8ssl_64.so
  #9  0x00007ffff701183f in ?? () from
  /usr/local/ibm/gsk8_64/lib64/libgsk8ssl_64.so
  #10 0x00007ffff6ffc438 in ?? () from
  /usr/local/ibm/gsk8_64/lib64/libgsk8ssl_64.so
  #11 0x00007ffff6fbc116 in ?? () from
  /usr/local/ibm/gsk8_64/lib64/libgsk8ssl_64.so
  #12 0x00007ffff6f1db17 in gsk_secure_soc_write () from
  /usr/local/ibm/gsk8_64/lib64/libgsk8ssl_64.so
  #13 0x000000000120798f in FaspWrapperWriteSsl (w=<value
  optimized out>,
  buff=0x7ffc0dfe90d0 "\002", len=1024) at faspcomm.c:3097
  #14 0x0000000001306e1b in FaspSocketChannel::write
  (this=0x7ffc05e79810,
  buff=0x7ffc0dfe90d0 "\002", len=1024) at
  include/FaspSocketChannel.h:22
  #15 0x0000000001314986 in ChannelHandler::try_send_remote
  (this=0x7ffc05a794e0, ss=<incomplete type>) at
  src/ChannelHandler.cpp:33
  #16 0x0000000001314a90 in ChannelHandler::run_once
  (this=0x7ffc05a794e0,
  ss=<incomplete type>) at src/ChannelHandler.cpp:91
  #17 0x0000000001314be3 in ChannelHandler::run
  (this=0x7ffc05a794e0) at
  src/ChannelHandler.cpp:132
  #18 0x000000000133b2f4 in Poco::ThreadImpl::runnableEntry(void*)
  ()
  #19 0x00007ffff772aaa1 in start_thread () from
  /lib64/libpthread.so.0
  #20 0x00007ffff34fc93d in clone () from /lib64/libc.so.6
  
  The important line to match this crash is:
  
  #4  smSendTcpData (fd=0, dataP=0x7ffc05348160, dataLen=1053,
  argP=0x7ffc07b2a1c0 "\350\065\205\357\373\177") at
  smtrans.c:8382
  
  The crash can occur, on either a source or target replication
  server.
  
  No error is written to activity log, dsmserv.err or dsmffdc.log
  
  
  Initial Impact: Medium
  
  IBM Spectrum Proptect versions affected:
  Server  7.1.5.x and higher, 8.1.x and higher on Linux x86_64
  platform
  
  
  
  
  Additional Keywords:  TSM  Spectrum Protect crash core abend
  aspera fasp replicate
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * All IBM Spectrum Protect High Speed Data Transfer server     *
  * users.                                                       *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * See error description.                                       *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * Apply fixing level when available. This problem is currently *
  * projected to be fixed in level 8.1.5. Note that this is      *
  * subject to change at the discretion of IBM.                  *
  ****************************************************************
  

Problem conclusion

• This problem was fixed.
  

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

• R81L PSY

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