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Discuss installation & licensing of our Ansys Teaching and Research products.

An unexpected error ( SIG$ILL ) has occurred

    • Anton Springer
      Subscriber

      Can anyone help me with this error? Any other posts related to this problem didn't solved the problem. (GPU acceleration is tiggled off, reinstallation before deleting ANSYS inc folder,...)

      Same version is running on the exact same hardware on another computer

      *** ERROR ***                           CP =       0.797   TIME= 11:28:33
       An unexpected error ( SIG$ILL ) has occurred...  ANSYS internal data    
       has been corrupted.  ANSYS is unable to recover and will terminate.     
       Previously saved files are unaffected.  Please send the data leading    
       to this operation to your technical support provider, as this will      
       allow ANSYS, Inc to improve the program.                                

       Current ANSYS Traceback:
           FactorBlocked                   
           FactorIVxTV                     
           cPcgPrecond                     
           casiIterate                     
           fastSolve                       
           svkan                           
           solvcl                          
           ANSYS

      +--------------------- A N S Y S   S T A T I S T I C S ------------------------+

      Release: Release 16.0       Build: 16.0       Update: UP20141203   Platform: WINDOWS x64 
      Date Run: 11/30/2023   Time: 11:28
      Windows Process ID:         3692

      Processor Model: AMD Ryzen 5 5600 6-Core Processor

      Compiler: Intel(R) FORTRAN Compiler Version 14.0.0  (Build: 20140422)
                Intel(R) C/C++ Compiler Version 14.0.0  (Build: 20140422)
                Intel(R) Math Kernel Library Version 11.1.3 Product Build 20140917

      Total number of cores available         :   12
      Number of physical cores available      :    6
      Number of processes requested           :    1
      Number of threads per process requested :    2
      Total number of cores requested         :    2 (Shared Memory Parallel)                    

      GPU Acceleration: Not Requested

    • George Karnos
      Ansys Employee

      Found the following in solutions for SIG$ILL error.

      Hope this helps as 16.0 is quite an old version.

      1)
      Make sure you are using a supported graphics card and update the graphics driver:-
       
      https://www.ansys.com/content/dam/it-solutions/platform-support/graphical-display-graphics-cards-tested-2021-r2.pdf
       
      2)
      If you have an AMD processor, we did make a change in 2021R2 for AMD processors to use a AMD BLIS library. If this is the issue a workaround is to add "-blas mkl" to your command line and it will revert to using the Intel MKL library even on AMD processors. Defect 494120 has already been raised for this.
       
      3)
      Uninstall all Ansys versions and delete the '...\Program Files\Ansys Inc' folder, then reinstall the versions you require in version order.
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