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2568478 - SAP IQ node in multiplex could hang or crash  

Symptom


IQ server may get into a deadlock involving a call to the st_database::GetDbspaceSizeMB in the call stack or result in secondary node crash:

pthread_cond_wait
UnixTask::wait
BaseMutex::wait_for_mutex
BaseMutex::get
SQLAEngineSupport::AcquireResources
st_SAIQInterface::Execute
st_database::GetDbspaceSizeMB
s_nodbspaceexception::s_nodbspaceexception
s_blockmap::ThrowError
s_blockmap::CreateDontZero
s_scratchPage::CreateBuf()

 


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Environment

SAP IQ 16.0

Multiplex

Product

SAP IQ 16.0

Keywords

 CR811570, CR#811570, 811570, st_database::GetDbspaceSizeMB, GetDbspaceSizeMB, hang , KBA , BC-SYB-IQ , Sybase IQ , Problem

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