3393752 - Server crashed after messages "Warning: s_dbmvbio::Allocate has timed out on _proxyFLcv" - SAP IQ

IQ server crashed on buffer deadlock with warning messages and stacktrace below :

Warning: s_dbmvbio::Allocate has timed out on _proxyFLcv inside tid:NN lockTimeoutDuration:10
Warning: s_VersioningBlockmap::Allocate is retrying due to lock timeout. this:0xmm tid:NN
Warning: s_dbmvbio::Allocate has timed out on _proxyFLcv inside tid:NN lockTimeoutDuration:10
Warning: s_VersioningBlockmap::Allocate is retrying due to lock timeout. this:0xmm tid:NN
Warning: s_dbmvbio::Allocate has timed out on _proxyFLcv inside tid:NN lockTimeoutDuration:10
Warning: s_VersioningBlockmap::Allocate has failed after 3 timeouts. this:0xmm tid:NN
Generating Informational Stack Trace for All Threads
NN Stacktrace requested from oslib/hos_InMemMsgLog.cxx:178 on thread NN (TIX **) start stacktrace
     **  Error from IQ connection:  
     **  Time of error:  xxx
     **  IQ Version:  SAP IQ/16.1.xxxx

     **  Dump all thread stacks at oslib/hos_InMemMsgLog.cxx:178 for PID: **
 
***************** This is the STACKTRACE ***************
===== Thread Number NN =====

 DumpAllThreads
 hos_InMemMsgLog::DumpFullStackTraceIfNotRecentlyDumped
 s_VersioningBlockmap::Allocate
 s_blockmap::AllocOrReallocPhysicalBlocks
 s_buf::Write
 s_bufpool::Sweep
 s_bufman::Sweep
 s_washWorkIter::ExecWork
 workAllocator::DoWork
 hos_thread::Main
 hos_lwtask::Start
 IQWorkerStarter
 run_task_body

SAP IQ 16.x

828600, CR828600, CR#828600, lock, deadlock, '_proxyFLcv',  hos_InMemMsgLog, s_VersioningBlockmap, AllocOrReallocPhysicalBlocks , KBA , BC-SYB-IQ , Sybase IQ , BW-SYS-DB-IQ , BW on HANA with Sybase IQ Near-line Storage , Product Enhancement