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2950039 - IQ Coor node crash at s_blockmap_RelocateData_Work when running ALTER TABLE MOVE


IQ coordinator crashed when running alter table to move data, other MPX nodes work fine at that time.
The following stack trace raises:

pc: 0x900000003431968 .pcstkwalk(stk_trace*,int,db_log*,hos_fd*)
pc: 0x9000000034312b8 .ucstkgentrace(int,int)
pc: 0x90000000342f740 .DumpAllThreads(const char*,unsigned int,int)
pc: 0x90000000342ccb8 .hos_ABORT(const char*,unsigned int,const char*,char*,char*,__sigcontext*)
pc: 0x90000000489ac6c .SigHndlr
pc: 0x90000000366bd60 .s_blockmap_RelocateData_WorkIter::ExecWork
pc: 0x900000003e48484 .workAllocator::DoWork
pc: 0x900000003e4c0b0 .workAllocator::sDoWork
pc: 0x90000000393c0ac .hos_thread::Main()
pc: 0x900000003437404 .hos_lwtask::Start
pc: 0x900000001918fcc .IQWorkerStarter(void*)
pc: 0x900000001700e88 .run_task_body
pc: 0x9000000016fb354 .UnixTask::pre_body(void*)



SAP IQ 16.x


SAP IQ 16.0 ; SAP IQ 16.1


Alter table, move data, s_blockmap_RelocateData_WorkIter, workAllocator, hos_mutex_lock , KBA , BC-SYB-IQ , Sybase IQ , Known Error

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