Device Family: Intel® Stratix® 10

Intel Software: Quartus Prime Pro

Type: Answers

Area: Tools


Last Modified: July 10, 2020
Version Found: v20.1
Version Fixed: v20.3
Bug ID: 1507975858

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

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.

Workaround/Fix

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.