App Control Agent: Nginx service timing out due to unanalyzed blocks after upgrading agent to 8.7.0
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App Control Agent: Nginx service timing out due to unanalyzed blocks after upgrading agent to 8.7.0

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Article ID: 288450

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Updated On:

Products

Carbon Black App Control (formerly Cb Protection)

Issue/Introduction

  • Restarting nginx service from Windows Service times out 
  • App Control trigger an  "Execution block (still analyzing)" block
"File c:\windows\microsoft.net\framework64\v4.0.30319\clr.dll [51eab00978a860d66885d824d3bef49fdd9370b4775bf32617e936f61c4535ee] was blocked because Carbon Black App Control Agent did not have time to analyze it."
  • Disabling App Control Agent resolves the issue

Environment

  • App Control Agent:  8.7.0 and higher
  • Microsoft Windows: All Supported Versions

Cause

Large number of ABMISS operations waiting on another thread to finish analysis

Resolution

Issue is identified as a product bug EP-15145 which is fixed in Windows Agent version 8.7.4