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2695005 - ASE hangs while making connection to remote server with CRITICAL bit set


  • There were processes runnable, but couldn't run on any ASE engine.
  • A process was running on an ASE engine having
    • Big negative value in pss->ptimeslice and high value in pss->pcpucur, e.g.
      pcpucur: 1277149, ptimeslice=-1277147
    • The running stack includes functions:
      omni_connect -> omni_ct_connect -> usctconnect.
    • The running process had CRITICAL bit set and couldn't timeout
  •  For HA system, it may hang local ASE if the companion server is not responding. 



  • SAP Adaptive Server Enterprise (ASE) 15.7 and 16.0
  • SAP Adaptive Server Enterprise (ASE) High Availability (HA)


SAP Adaptive Server Enterprise 15.7


ASE hang, CR 816695, 816695, CRITICAL bit, usctconnect, omni_connect, trace flag 11222, 11222, HA, companion server , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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