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2513039 - Multiplex coordinator crashes in slib/s_blockmap.cxx:407 -- SAP IQ

Symptom

Random Coordinator crash in s_blockmap_identity::DecrNEntries with following stack frames and messages in iqmsg.
Stack frames indicate same activity type in 2 different threads.
Stack trace does not show any user command indicating actual command is internal.

---
**************************************************
***   SAP IQ Abort:
***      From:  slib/s_blockmap.cxx:407
***      PID: PPPPP
***      Message: Internal Error
***      Thread: THR1  (TID: TTTT)
**************************************************

Dump all thread stacks at slib/s_blockmap.cxx:407 for PID: PPPPP
    **  While handling one abort, Internal Error on thread THR2 (TID TTTT)

===== Thread Number  THR1  (IQ connID: AAAA ) =====
pcstkwalk
ucstkgentrace
DumpAllThreads
hos_ABORT
s_blockmap_identity::DecrNEntries
s_blockmap::DestroyAllMappedPages
hs_dp::Destroy
db_IndexDef::DestroyIndex
db_destroyTableIter::ExecWork
workAllocator::DoWork
hos_thread::Main
...
===== Thread Number  THR2  (IQ connID: AAAA ) =====
pcstkwalk
ucstkgentrace
abort_handle_secondary
hos_ABORT
s_blockmap_identity::DecrNEntries
s_blockmap::DestroyAllMappedPages
hs_dp::Destroy
db_IndexDef::DestroyIndex
db_destroyTableIter::ExecWork
workAllocator::DoWork
hos_thread::Main
---


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Environment

SAP IQ 16.X

Product

SAP IQ 16.0

Keywords

s_blockmap_identity::DecrNEntries , s_blockmap::DestroyAllMappedPages , hs_dp::Destroy , db_IndexDef::DestroyIndex , slib/s_blockmap.cxx , , KBA , BC-SYB-IQ , Sybase IQ , Bug Filed

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