After mem_dq[*] signals change group from "Memory Interface Data pin" to "DQ Group" ,
Fitter progressed little but another Fitter signaled and failed.
Internal Error: Sub-system: FSAC, File: /quartus/fitter/fsac/fsac_titan_dqs_config_op.cpp, Line: 989
dqs_config_cell != 0
Stack Trace:
0x375b50: FSAC_TITAN_DQS_MGR::get_dq_pad_list_from_dqs_pad + 0x10480
0x376002: FSAC_TITAN_DQS_MGR::get_dq_pad_list_from_dqs_pad + 0x10932
0xa3ef: ftitan_execute + 0x7d6f
0x4851d: FITCC_EXPERT::fitter_preparation + 0x20d
0x4acf7: FITCC_EXPERT::invoke_fitter + 0x417
0x28ef: ftitan_execute + 0x26f
0xbab9: fmain_start + 0x7f9
0x1525: Legacy_fitter_Init + 0x4b5
0x2618: Legacy_fitter_Init + 0x15a8
0x2168: Legacy_fitter_Init + 0x10f8
0xf8a6: TclInvokeStringCommand + 0xc6
0x112a8: TclEvalObjvInternal + 0x328
0x121b5: TclEvalEx + 0x8d5
0x12d48: TclEvalObjEx + 0x2d8
0x1abbd: Tcl_EvalObjCmd + 0xfd
0x112a8: TclEvalObjvInternal + 0x328
0x56917: TclExecuteByteCode + 0xe47
0xa2376: TclObjInterpProcCore + 0x76
0x112a8: TclEvalObjvInternal + 0x328
0x56917: TclExecuteByteCode + 0xe47
0xa2376: TclObjInterpProcCore + 0x76
0x112a8: TclEvalObjvInternal + 0x328
0x121b5: TclEvalEx + 0x8d5
0x7c117: Tcl_FSEvalFileEx + 0x1d7
0x7a626: Tcl_EvalFile + 0x36
0xc1ff: qexe_ipc_progress_bar_name + 0x12bf
0x11dd6: qexe_get_command_line + 0x1556
0x150d5: qexe_run_tcl_option + 0x585
0x1e03d: qcu_run_tcl_option + 0xb8d
0x156ed: qexe_process_cmdline_arguments + 0x54d
0x15851: qexe_standard_main + 0xa1
0xa7f8: msg_exe_fini + 0x58
0xaf3c: msg_exe_fini + 0x79c
0x1f14: MEM_SEGMENT_INTERNAL::~MEM_SEGMENT_INTERNAL + 0x194
0xb8bf: msg_exe_main + 0x8f
0x1259c: BaseThreadInitThunk + 0x1c
0x5af77: RtlUserThreadStart + 0x27
End-trace
Quartus II 64-Bit Version 13.1.0 Build 162 10/23/2013 SJ Full Version
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