Internal Error: Sub-system: ASMIO

[Altera_Forum]

Good day everybody, 

i have this problem when the i try to generate the programming files (Assembler phase). exactly in 51% of the process  Internal Error: Sub-system: ASMIO, File: /quartus/comp/asmio/asmio_dqs.cpp, Line: 2257 re_oterm->has_fanout_exactly(1)  Stack Trace:  0x409a4: ASMIO_MIO_DQS_LOCAL_DQS_BUS_SELECT::process_atom + 0x474 (comp_asmio)  0x175ed8: process_cdb + 0x658 (comp_asm)  0x176b3c: assemble_chip + 0x33c (comp_asm)  0x17925e: assemble_dev_device + 0x12de (comp_asm)  0x17b840: asm_assemble + 0x380 (comp_asm)  0x3ddb: QASM_FRAMEWORK::execute + 0x6b (quartus_asm)  0xf211: QEXE_ARGS::get_command_line + 0x1461 (comp_qexe)  0x116b7: qexe_process_cmdline_arguments + 0x387 (comp_qexe)  0x117a4: qexe_standard_main + 0x84 (comp_qexe)  0x3ab0: qasm_main + 0x50 (quartus_asm)  0x1b81: msg_main_thread + 0x11 (CCL_MSG)  0x1be8: _thr_final_wrapper + 0x8 (ccl_thr)  0x1af5: msg_thread_wrapper + 0x85 (CCL_MSG)  0x458a: mem_thread_wrapper + 0x4a (ccl_mem)  0x28a03: msg_exe_main + 0x63 (CCL_MSG)  0x3d0c: _main + 0x1c (quartus_asm)  0x4523: __CxxThrowException@8 + 0x15f (quartus_asm)  0x13676: BaseThreadInitThunk + 0x11 (kernel32)  0x39f01: RtlInitializeExceptionChain + 0x62 (ntdll)  0x39ed4: RtlInitializeExceptionChain + 0x35 (ntdll)  End-trace  Quartus II Version 11.0 Build 208 07/03/2011 SJ Full Version  Service Pack Installed: 1        hope you can help thanks!!!

[Altera_Forum]

its difficult to diagnose without Altera's help, you should file a service request

[Altera_Forum]

i cant find an email to send my request :s

[Altera_Forum]

Hi, 

 I faced the same issue and managed to resolve it.    Deleting db and incremental_db from the project file sorted this out for me..If this does not work..You will need to install another version of Quartus.. Atleast Quartus 9.1 sp2..   Rgds, BVP