When programming the device in Hardware Manager for a design with ILA, I receive the following warnings:
How can I resolve this issue?
The clock net connected to dbg_hub is automatically selected by the tool based on the debug core configuration and connections.
However, you can change this clock net by modifying the "connect_debug_port" command in XDC.
The following are possible causes and solutions:
1. The clock that is connected to dbg_hub is a non-free-running clock.
2. The clock is a free running clock but the signal integrity of this clock net is not good.
Check if the quality of this clock signal on the board is good or not. One example of this issue is if the daughter card connector is not inserted tightly (clock is coming from the daughter card).
3. Try the second solution mentioned in the warning message which is to use the other User Scan Chain number.
For example, the following are the steps to change to use Scan Chain number 2: