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AR# 33043

Virtex-6 Embedded Tri-mode Ethernet MAC Wrapper v1.2 - Error Place:1153 - A clock IOB / BUFGCTRL pair not placed at optimal site

Description

When implementing the Virtex-6 Embedded Tri-mode Ethernet MAC Wrapper in 11.2, the following error has occasionally been seen:

ERROR:Place:1153 - A clock IOB / BUFGCTRL clock component pair have been found that are not placed at an optimal clock IOB / BUFGCTRL site pair.

Solution

This error message results from the placer not finding an optional location. This error can be resolved by LOCing the clock pin in the error message to a specific legal location. This issue will be resolved in 11.3.

AR# 33043
Date Created 06/24/2009
Last Updated 12/15/2012
Status Active
Type General Article