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Internal Error: Sub-system: SGN, File: /quartus/synth/sgn/sgn_extractor.cpp, Line: 73

Altera_Forum
Honored Contributor II
‎10-14-2010 02:17 PM
1,692 Views

Internal Error: Sub-system: SGN, File: /quartus/synth/sgn/sgn_extractor.cpp, Line: 7374 

Found undriven hierarchy pin! 

Stack Trace: 

0x73961: sgn_qic_helper + 0x67ee1 (synth_sgn) 

0x85740: sgn_qic_helper + 0x79cc0 (synth_sgn) 

 

End-trace 

 

Quartus II Version 9.1 Build 350 03/24/2010 SJ Full Version 

Service Pack Installed: 2 

 

 

can anyone help me??
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Altera_Forum
Honored Contributor II
‎10-14-2010 04:23 PM
927 Views

you'll have to file a service request with Altera to get this solved 

 

it looks like it has to do with Quartus Incremental Compile and is upset about a pin, take a look at any partitions you have and their interactions with other partitions (port maps etc)
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