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Altera_Forum
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11 years ago

Internal Error: Sub-system: OPT, File: /quartus/synth/opt/opt_ram.cpp, Line: 8319

Hi, I coded a dual port ram and while synthesising it, quartus 2 is showing the following message in a dialog: Internal Error: Sub-system: OPT, File: /quartus/synth/opt/opt_ram.cpp, Line...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

How did you connect it? from a megawizard file? in a BDF?

This is a Q2 crash - first of all try deleting the /db/ and /incremental_db/ folders and try recompiling. If that fails - can you try a newer version (9.0 is 5 years old).