Article ID: 000090950 Content Type: Error Messages Last Reviewed: 05/26/2022

Error: Can't connect to X11 window server using '[hostname:port]' as the value of the DISPLAY variable.

Environment

    Intel® Quartus® Prime Pro Edition

Ubuntu 16.04*, CentOS 7.3, SUSE Linux Enterprise Server 12*, Red Hat Enterprise Linux 7.1*, Red Hat Enterprise Linux 7.2*, Red Hat Enterprise Linux 7.3*, Red Hat Enterprise Linux 7.0*, Red Hat Linux 8.0*

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Description

Due to a problem in the Intel® Quartus® Prime Pro Edition Software version 21.3, you may see this error when running the qsys-generate command. This problem occurs when x11 forwarding is not enabled in the Linux terminal you are using.

Resolution

To work around this problem, unset the DISPLAY variable by running the following command in the Linux terminal:

unset DISPLAY

This problem is fixed beginning with version 22.1 of the Intel® Quartus® Prime Pro Edition Software.

Related Products

This article applies to 1 products

Intel® Programmable Devices

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