QuestaSim
Diamond RAM_DP_TRUE IP QuestaSim simulation error: Fatal: (vsim-3483) Delay in signal assignment is not ascending. # Fatal error at a source-protected location
Decription When simulating the default RAM_DP_TRUE IP, you may experience the following error: # ** Fatal: (vsim-3483) Delay in signal assignment is not ascending. # Time: 105 ns Iteration: 1 Instance: /tb/u1/test_ram_0_0_0_0 File: nofile Line: ...
7765 - QuestaSim: simulation takes long and error out "failed to start simulation kernel"
Description: Users try to run any simulation with QuestaSim. It will take a long time to run, possibly hours. It eventually errors out "failed to start simulation kernel". Solution: Please try the following steps. If the problem persists, you may ...
7734 - QuestaSim / ModelSim : How to use User-defined Radix?
Solution: Normally, this appears gray by default. However, it is fully supported in QuestaSim / Modelsim Lattice Edition. To enable this, a User-defined Radix needs to be set first before this option is enabled. See the following command: radix ...
7638 - Radiant 2024.1 and Diamond 3.14: Related errors when trying to open the software: "No socket connection to license server manager", "Vendor daemon is too old", "Unable to checkout a license for QuestaSim", "Fatal License Error. Unable to checkout license"
Description: The version of Lattice License FlexNet utility and license daemon has been upgraded to v11.19.4.1 starting with versions Radiant 2024.1 and Diamond 3.14. It is important to use this latest version when accessing both tools. Solution: ...
7634 - [Lattice Diamond] How to enable QuestaSim with Diamond 3.14 and latest?
To enable QuestaSim with Diamond 3.14, please request a license from the below link. The needed feature is "latticeqsim". After receiving the license, please ensure to upgrade your FlexNet version to 11.19 for floating license setup. ...
7633 - QuestaSim: Unable to checkout a license or Fatal License Error
Check if you have a license for QuestaSim, license string is "latticeqsim" in your license file. If you don't, you can obtain one in our Licensing Page under our free Radiant License. If you have a license for QuestaSim: additional environment ...
7327 - ModelSim / QuestaSim: simulation error using a node-locked license in a remote desktop connection
Description: The following errors may appear: # ** License Issue: License request for latticemsim feature failed # ** License Issue: No such feature exists. (C:\ispLEVER_Classic2_1\license\license.dat) # ** License Issue: Cannot find license file. ...
7148 - Simulation error: 'Failed to find GSR_INST' in hierarchical name 'GSR_INST.GSROUTE'
Description: In simulating designs for Lattice devices, this error may appear if there is no GSR instantiated in the testbench. Solution: There is no planned fix for this simulation issue. To work around this, please instantiate GSR on your ...