1965581 - SUM SL Controller dies abruptly during phase KX_SWITCH | SAP Knowledge Base Article

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1965581 - SUM SL Controller dies abruptly during phase KX_SWITCH

Symptom

  • During an upgrade, in KX_SWITCH phase, the Software Update Manager (SUM)GUI throws a message : "SL Controller down". 
  • The SL controller is killed abruptly at operating system level.
  • Restart of SL controller and GUI allowes reconnection, but repeating the phase results in the same error message and the abrupt killing of SL controller.

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Environment

UNIX

Keywords

SUM, kernel switch, SL controller, KX_SWITCH, saposcol, sapcm4x , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , Problem

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