On Sat, 2009-10-24 at 22:00 +0200, R.Doss wrote:

> ghdl -r co_tb
> ../../../src/ieee/numeric_std-body.v93:1278:7:@10ns:(assertion warning):
> NUMERIC_STD."<": metavalue detected, returning FALSE
> ./co_tb:error: invalid memory access (dangling accesses or stack size
> too small)
> ./co_tb:error: simulation failed
> ghdl: compilation error

The error message says it, no?

Maybe you have non-sensitized processes with large local variables? Try
increasing the stacksize.

Something like:
./co_tb --stack-size=65536
I think the default is only 16k, which can be too small quite easily.

For info on other options, run
./co_tb --help

Tom





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