SAP Knowledge Base Article - Preview

2835590 - UNMOUNT DATABASE command hung and blocking other spid - SAP ASE

Symptom

  • UNMOUNT DATABASE command is running and cannot be completed.  
  • The stacktrace of the spid which is doing UNMOUNT looks similar as below.  

upsleepgeneric
dbt_get
dbt_get_with_statuscheck
dbcontext_change
usedb
umt_set_dbt_unmount
unmountdb
s_execute

  • Can also see some other spids hung with the same stacktrace.


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Environment

  • SAP Adaptive Server Enterprise (ASE)

Product

SAP Adaptive Server Enterprise 12.5 ; SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 15.7 Cluster Edition ; SAP Adaptive Server Enterprise 16.0 ; SAP Adaptive Server Enterprise 16.0 Cluster Edition ; Sybase Adaptive Server Enterprise 12.5 ; Sybase Adaptive Server Enterprise 15.0 ; Sybase Adaptive Server Enterprise 15.5 ; Sybase Adaptive Server Enterprise Cluster Edition 15.0 ; Sybase Adaptive Server Enterprise Cluster Edition 15.5 ; Sybase Adaptive Server Enterprise Cluster Edition 15.7

Keywords

CR819982, CR#819982, 819982, unmount database, dbt_get, upsleepgeneric , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , BC-SYB-ASE-CE , ASE Cluster Edition (Standalone) , Problem

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