On 11/08/15 00:07, Lehmann, Patrick wrote:
Hello,

I implemented a new testbench for a UART receiver. As far as I can tell
this testbench works fine

in ISE Simulator. After some tests, I changed my automated testbench
script to use GHDL, vSim and xSim.

I get this message reported for GHDL (0.33dev):

[...]

   running simulation...

     command: C:\Tools\GHDL\0.33dev\bin\ghdl.exe -r -P. --std=93
--syn-binding --work=test uart_rx_tb

ERROR while executing ghdl command: C:\Tools\GHDL\0.33dev\bin\ghdl.exe
-r -P. --std=93 --syn-binding --work=test uart_rx_tb

Return Code: 1

--------------------------------------------------------------------------------

C:\Tools\GHDL\0.33dev\bin\ghdl.exe:error: bound check failure at
std_logic_1164_body.v93:174

C:\Tools\GHDL\0.33dev\bin\ghdl.exe:error: simulation failed

There are no errors at analysis time. When running the simulation a
bound check failed. The red lines are the original output from GHDL.

This issue is now fixed.  Thank you for the report.

Tristan.


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