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2881491 - IQ server abort at host_mem.cxx:243 when running backup database command - SAP IQ

Symptom

  • IQ server crashed when running backup database command
  • Backup failed after all the blocks been backed up. The following messages reported in the iqmsg file:
    • Number of IQ blocks backed up: 7754350000
      Number of IQ blocks backed up: 7754400000
      Total number of IQ blocks backed Up: 7754443848
      IQ Internal Error Detected: Memory Corruption
      Idx: 0 Addr: 0x7dbf542975e0 Size: 208896 File: db_backup.cxx Line: 371 Thread: 79 IsArray: 0
      Usage: db_backup_workiterator::_alignedBuf[i]
      Next Element In List:
      Idx: 0 Addr: 0x7ff51c6e0810 Size: 1008 File: db_backup.cxx Line: 361 Thread: 79 IsArray: 0
      Usage: db_backup_workiterator::_alignedBuf
      Failure(s): _end bad data: 0x0x38353808000f0300 _prev link bad

    • Sybase IQ Abort:
      From:  hos_mem.cxx:243

    • Stack include:
      hos_memmgr::FreeHosMem
      db_backup::~db_backup
      db_DoBackup::Execute
      st_command::DoCmdThroughResourceGate
      st_iqctl::DoBackupRestore
      UIQCtl_DoBackupRestore


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Environment

SAP IQ 15.4.0 ESD 7

Product

SAP Sybase IQ 15.4

Keywords

Linux,CR 721949,CR 696794 , KBA , BC-SYB-IQ , Sybase IQ , Problem

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