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Serious problem with XST

Hi,

I encounter a serious problem with xst when I try to synthesize a design. The design consists of several components that synthesize fine for themselves. However when I want to synthesize the top entity, that only plugs the simple components together, xst fails during the low level synthesis without giving me any reason WHY synthesis failed. It's the same for ISE 6.3, 7.1 and 8.1. Is there a way to find out why xst fails, something like a debug or verbose mode? Or has anyone an idea how to isolate the problem?

Thanks in advance! Matthias

Reply to
Matthias Alles
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Please contact support.xilinx.com and start a webcase

Reply to
sudheer

There must be some error message.Can you display them?

Reply to
young

young schrieb:

Actually there is none. Just "XST failed".

Reply to
Matthias Alles

How about connecting one module at a time and synthesize it? That way, you will know which module causes the problem.

Hendra

Reply to
Hendra

Reply to
Marko

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