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3124331 - Stacktrace with signal 11 in mda_populate_monDeviceIO when querying monDeviceIO - SAP ASE

Symptom

  • stacktrace with signal 11 in mda_populate_monDeviceIO () during unmount of a database and querying monDeviceIO . Other function calls include :

mda_exec                                          
VTABRemoteAccess::mdaStartScan(char*)         
VTABRemoteAccess::startScan(short, short, bool) 
LeScanOp::_LeOpNext(ExeCtxt&)                     
LeOperator::LeOpNext(ExeCtxt&)                  
LeHashContext::GetNext(ExeCtxt&)                
LeHashOp::_LeOpNext(ExeCtxt&)                   
LeEmitSndOp::_LeOpNext(ExeCtxt&)                  
LePlanNext                                        
exec_lava                                    
s_execute                                       

  • Offending SQL :

select DISTINCT PhysicalName, Reads, APFReads, Writes from monDeviceIO

  • The program reading monDeviceIO is Solarwinds DPA, a performance and tuning/Monitoring tool. Problem happens when running an unmount via Delphix or via customer's own cloning scripts


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Environment

SAP Adaptive Server Enterprise (ASE) 16.0 SP04 PL01

Product

SAP Adaptive Server Enterprise 16.0

Keywords

SIGSEGV, mda_populate_monDeviceIO,  signal 11, unmount, delphix , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Problem

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