2439610 - Signal 11 in des_checkpoint with spinlock dbt_defpipebufgpspin - SAP ASE for Business Suite

• ASE crashes after a "signal 11" error in the module des_checkpoint
• With the affected spid holding spinlock dbt_defpipebufgpspin
• Typical error log entries include:
  
  Current process (0x53002a) infected with signal 11 (SIGSEGV)
  Address 0x0x0000000001dcde7e (des_checkpoint+0x52e), siginfo (code, address) = (1, 0x0xfffffffffffffdd2)
  
  Followed by a stack trace that includes some or all of these functions:
  
  des_checkpoint
  checkpoint
  dpdb_main
  
  And reference to spinlock dbt_defpipebufgpspin which is the reason for the crash:
  
  Spinlocks held by  kpid 5439530
  Spinlock Dbtable->dbt_defpipebufgpspin at address 0x0000000149066b00 owned by 5439530

  Note: A complete stack trace is available under Attachments.

• SAP Adaptive Server Enterprise (ASE) 16.0 for Business Suite
• SAP NetWeaver (NW) - All versions 
• SAP Adaptive Server Enterprise (ASE) 16.0

CR803834, CR#803834, 803834, "number of open partitions", SEGV, segmentation, storage, access, violation, fault, segfault, kisignal, stacktrace , KBA , BC-DB-SYB , Business Suite on Adaptive Server Enterprise , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Known Error