3464195 - Signal 11 in LeRangePart::_LpRangeAdhocSearch(), open_range, rvm_fetch_attr, s_mustrecompile, proc__search - SAP ASE

• ASE error log reports signal 11 error(s) of various patterns
• On systems running SAP applications, these result in program failures and short dumps.
• Some patterns lead to ASE shutting down
  
  
  
• The problem sequence start usually with a signal 11 (but sometimes a signal 10 SIGBUS is reported) 
  

  Current process (hex#) infected with signal 11 (SIGSEGV)
  Address hex# (stack_function+#)

• The stack_funtion and the following stack pattern varies and can include:
  
  
  • LeRangePart::_LpRangeAdhocSearch
    LeRangePart::LePartGetPartitionId
    LeInsertOp::_LeOpNext
    LeEmitNoSndOp::_LeOpNext
    LePlanNext
    
    
  • open_range
    s_opentables
    s_mustrecompiler
    
    
  • rvm_fetch_attr
    s_mustrecompile
    
    
  • LeOpContext::Initialize
    LeEmittOp::_LeOpAcquire
    LeEmitSndOp::_LeOpAcquire
    LePlanAcquire
    
    
  • proc__search
    proc_get
    s_getTreeOrPlan
    sqt_get_plan

    This pattern may result in an ASE crash due to error:
    Spinlock Des Upd Spinlocks at address ...

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

LeRangePart::_LpRangeAdhocSearch, "signal 11", sigsegv, CR#828883, CR828883, 828883, 821464, 821850, open_range, s_mustrecompile, rvm_fetch_attr, proc__search, 826065 , KBA , BW-SYS-DB-SYB , BW on Adaptive Server Enterprise , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , BC-DB-SYB , Business Suite on Adaptive Server Enterprise , Problem