Article ID: 000080593 Content Type: Error Messages Last Reviewed: 07/10/2020

Internal Error: Sub-system: QHD, File: /quartus/comp/qhd/qhd_check_design.cpp, Line: 369

Environment

  • Intel® Quartus® Prime Pro Edition
  • BUILT IN - ARTICLE INTRO SECOND COMPONENT
    Description

    Due to a problem in the Intel® Quartus® Prime Pro edition software version 20.1, you may see this internal error during the fitter stage.This problem only occurs in designs targeting Intel® Stratix® 10 devices and running post-route physical synthesis.

    Resolution

    To work around this problem, perform one the following actions:

    • If the internal error occurs during a normal compilation, add this .qsf (Quartus Settings File) assignment to disable post-route physical synthesis.

    set_global_assignment -name POST_ROUTE_PHYSICAL_SYNTHESIS OFF

    • If the internal error occurs during an ECO compile then do not perform any actions actions that require routing such as make_connection.

    This problem is fixed beginning with version 20.3 of the Intel® Quartus® Prime Pro edition software.

    Related Products

    This article applies to 1 products

    Intel® Stratix® 10 FPGAs and SoC FPGAs

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