Why does my design have timing violations when compiled in the Quartus® II software version 15.0?

Description

Due to a problem in the Quartus® II software version 15.0 Update 1 and Update 2 for Windows, your design may fail timing if it meets the following conditions:

1. The target device is a Stratix® V or Arria® V GZ
2. The design implements transceivers

The Quartus® II software version 15.0 Update 1 and Update 2 for Linux is not affected by this problem.

Resolution

To work around this problem, download and install the appropriate patch for your Quartus® II version from the links below. You must install the Quartus® II software version before installing the patch.

• Download the version 15.0 patch 0.31 for Windows (.exe)
• Download the Readme for the Quartus II software version 15.0 patch 0.31 (.txt)

• Download the version 15.0.1 patch 1.10 for Windows (.exe)
• Download the Readme for the Quartus II software version 15.0.1 patch 1.10 (.txt)

• Download the version 15.0.2 patch 2.11 for Windows (.exe)
• Download the Readme for the Quartus II software version 15.0.2 patch 2.11 (.txt)

This problem is fixed beginning with version 15.1 of the Quartus® Prime software.