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    <title>topic Segmentation fault with MKL PBLAS in Intel® oneAPI Math Kernel Library</title>
    <link>https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/Segmentation-fault-with-MKL-PBLAS/m-p/776034#M1055</link>
    <description>Hello Gennady,&lt;DIV&gt;Thank you for your reply. Unfortunately the link didn't help: it seems to me that I have a different problem on running time. The segmentation fault occurs when "Cblacs_pinfo( &amp;amp;myrank_mpi, &amp;amp;nprocs_mpi ) ;" is called. Do you have any idea?&lt;/DIV&gt;&lt;DIV&gt;&lt;/DIV&gt;&lt;DIV&gt;Thank you!&lt;/DIV&gt;&lt;DIV&gt;Michele&lt;/DIV&gt;</description>
    <pubDate>Sun, 08 Apr 2012 19:24:28 GMT</pubDate>
    <dc:creator>mcastellana</dc:creator>
    <dc:date>2012-04-08T19:24:28Z</dc:date>
    <item>
      <title>Segmentation fault with MKL PBLAS</title>
      <link>https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/Segmentation-fault-with-MKL-PBLAS/m-p/776032#M1053</link>
      <description>Hello, I am trying to compile and run a sample code for a MKL PBLAS routine. I found the code herehttp://software.intel.com/en-us/articles/using-cluster-mkl-pblasscalapack-fortran-routine-in-your-c-program/ . You can find the code here&lt;A onclick="ndownload('http://software.intel.com/file/43131')"&gt;pdgemv.c&lt;/A&gt;&lt;DIV&gt;&lt;/DIV&gt;&lt;DIV&gt;I compile the code on a machine with Intel Mkl installed with the following command&lt;/DIV&gt;&lt;DIV&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;DIV id="_mcePaste"&gt;mpicc -w -o pdgemv.o pdgemv.c -I/opt/intel/mkl/10.2.4.032/include -L/opt/intel/mkl/10.2.4.032/lib/em64t -lmkl_scalapack_lp64 -lmkl_blacs_intelmpi_lp64 -lmkl_intel_lp64 -lmkl_intel_thread -lmkl_core -liomp5 -lpthread&lt;/DIV&gt;&lt;/DIV&gt;&lt;DIV id="_mcePaste"&gt;&lt;/DIV&gt;&lt;DIV id="_mcePaste"&gt;and get the warning&lt;/DIV&gt;&lt;DIV id="_mcePaste"&gt;&lt;/DIV&gt;&lt;DIV id="_mcePaste"&gt;&lt;DIV id="_mcePaste"&gt;/opt/intel/Compiler/11.1/075/lib/intel64/libimf.so: warning: warning: feupdateenv is not implemented and will always fail&lt;/DIV&gt;&lt;DIV&gt;&lt;/DIV&gt;&lt;DIV&gt;Then when I try to run I get segmentation fault:&lt;/DIV&gt;&lt;DIV&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;DIV&gt;[michelec@della3 pdgemv]$ mpirun -n 2 ./pdgemvlibrdmacm: couldn't read ABI version.&lt;/DIV&gt;&lt;DIV&gt;librdmacm: assuming: 4&lt;/DIV&gt;&lt;DIV&gt;CMA: unable to get RDMA device list&lt;/DIV&gt;&lt;DIV&gt;--------------------------------------------------------------------------&lt;/DIV&gt;&lt;DIV&gt;[[15168,1],0]: A high-performance Open MPI point-to-point messaging module&lt;/DIV&gt;&lt;DIV&gt;was unable to find any relevant network interfaces:&lt;/DIV&gt;&lt;DIV&gt;&lt;/DIV&gt;&lt;DIV&gt;Module: OpenFabrics (openib)&lt;/DIV&gt;&lt;DIV&gt; Host: della3&lt;/DIV&gt;&lt;DIV&gt;&lt;/DIV&gt;&lt;DIV&gt;Another transport will be used instead, although this may result in&lt;/DIV&gt;&lt;DIV&gt;lower performance.&lt;/DIV&gt;&lt;DIV&gt;--------------------------------------------------------------------------&lt;/DIV&gt;&lt;DIV&gt;librdmacm: couldn't read ABI version.&lt;/DIV&gt;&lt;DIV&gt;librdmacm: assuming: 4&lt;/DIV&gt;&lt;DIV&gt;CMA: unable to get RDMA device list&lt;/DIV&gt;&lt;DIV&gt;[della3:03459] *** Process received signal ***&lt;/DIV&gt;&lt;DIV&gt;[della3:03459] Signal: Segmentation fault (11)&lt;/DIV&gt;&lt;DIV&gt;[della3:03459] Signal code: Address not mapped (1)&lt;/DIV&gt;&lt;DIV&gt;[della3:03459] Failing at address: 0x44000098&lt;/DIV&gt;&lt;DIV&gt;[della3:03458] *** Process received signal ***&lt;/DIV&gt;&lt;DIV&gt;[della3:03458] Signal: Segmentation fault (11)&lt;/DIV&gt;&lt;DIV&gt;[della3:03458] Signal code: Address not mapped (1)&lt;/DIV&gt;&lt;DIV&gt;[della3:03458] Failing at address: 0x44000098&lt;/DIV&gt;&lt;DIV&gt;[della3:03459] [ 0] /lib64/libpthread.so.0 [0x353900eb70]&lt;/DIV&gt;&lt;DIV&gt;[della3:03459] [ 1] /usr/local/openmpi/1.4.3/intel111/x86_64/lib64/libmpi.so.0(MPI_Comm_size+0x60) [0x2b821ceea410]&lt;/DIV&gt;&lt;DIV&gt;[della3:03459] [ 2] /opt/intel/Compiler/11.1/075/mkl/lib/em64t/libmkl_blacs_intelmpi_lp64.so(Cblacs_pinfo+0x93) [0x2b821aca1293]&lt;/DIV&gt;&lt;DIV&gt;[della3:03459] *** End of error message ***&lt;/DIV&gt;&lt;DIV&gt;[della3:03458] [ 0] /lib64/libpthread.so.0 [0x353900eb70]&lt;/DIV&gt;&lt;DIV&gt;[della3:03458] [ 1] /usr/local/openmpi/1.4.3/intel111/x86_64/lib64/libmpi.so.0(MPI_Comm_size+0x60) [0x2b206a7b6410]&lt;/DIV&gt;&lt;DIV&gt;[della3:03458] [ 2] /opt/intel/Compiler/11.1/075/mkl/lib/em64t/libmkl_blacs_intelmpi_lp64.so(Cblacs_pinfo+0x93) [0x2b206856d293]&lt;/DIV&gt;&lt;DIV&gt;[della3:03458] *** End of error message ***&lt;/DIV&gt;&lt;DIV&gt;--------------------------------------------------------------------------&lt;/DIV&gt;&lt;DIV&gt;mpirun noticed that process rank 1 with PID 3459 on node della3 exited on signal 11 (Segmentation fault).&lt;/DIV&gt;&lt;DIV&gt;--------------------------------------------------------------------------&lt;/DIV&gt;&lt;DIV&gt;[della3:03457] 1 more process has sent help message help-mpi-btl-base.txt / btl:no-nics&lt;/DIV&gt;&lt;DIV&gt;[della3:03457] Set MCA parameter "orte_base_help_aggregate" to 0 to see all help / error messages&lt;/DIV&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;/DIV&gt;&lt;DIV&gt;Could you please help me?&lt;/DIV&gt;&lt;DIV&gt;&lt;/DIV&gt;&lt;DIV&gt;Thanks!&lt;/DIV&gt;&lt;DIV&gt;Michele&lt;/DIV&gt;&lt;DIV&gt;&lt;/DIV&gt;&lt;/DIV&gt;</description>
      <pubDate>Sun, 08 Apr 2012 03:12:31 GMT</pubDate>
      <guid>https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/Segmentation-fault-with-MKL-PBLAS/m-p/776032#M1053</guid>
      <dc:creator>mcastellana</dc:creator>
      <dc:date>2012-04-08T03:12:31Z</dc:date>
    </item>
    <item>
      <title>Segmentation fault with MKL PBLAS</title>
      <link>https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/Segmentation-fault-with-MKL-PBLAS/m-p/776033#M1054</link>
      <description>we have never met with this issue before - please see &lt;A href="http://www.scm.com/forums/viewtopic.php?f=1&amp;amp;t=441"&gt;here&lt;/A&gt; may be this recomendation helps you.</description>
      <pubDate>Sun, 08 Apr 2012 03:51:25 GMT</pubDate>
      <guid>https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/Segmentation-fault-with-MKL-PBLAS/m-p/776033#M1054</guid>
      <dc:creator>Gennady_F_Intel</dc:creator>
      <dc:date>2012-04-08T03:51:25Z</dc:date>
    </item>
    <item>
      <title>Segmentation fault with MKL PBLAS</title>
      <link>https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/Segmentation-fault-with-MKL-PBLAS/m-p/776034#M1055</link>
      <description>Hello Gennady,&lt;DIV&gt;Thank you for your reply. Unfortunately the link didn't help: it seems to me that I have a different problem on running time. The segmentation fault occurs when "Cblacs_pinfo( &amp;amp;myrank_mpi, &amp;amp;nprocs_mpi ) ;" is called. Do you have any idea?&lt;/DIV&gt;&lt;DIV&gt;&lt;/DIV&gt;&lt;DIV&gt;Thank you!&lt;/DIV&gt;&lt;DIV&gt;Michele&lt;/DIV&gt;</description>
      <pubDate>Sun, 08 Apr 2012 19:24:28 GMT</pubDate>
      <guid>https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/Segmentation-fault-with-MKL-PBLAS/m-p/776034#M1055</guid>
      <dc:creator>mcastellana</dc:creator>
      <dc:date>2012-04-08T19:24:28Z</dc:date>
    </item>
    <item>
      <title>Same problem and I cant</title>
      <link>https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/Segmentation-fault-with-MKL-PBLAS/m-p/776035#M1056</link>
      <description>&lt;P&gt;Same problem and I cant figure it out !&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Thu, 14 Aug 2014 04:06:42 GMT</pubDate>
      <guid>https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/Segmentation-fault-with-MKL-PBLAS/m-p/776035#M1056</guid>
      <dc:creator>Jehandad_K_</dc:creator>
      <dc:date>2014-08-14T04:06:42Z</dc:date>
    </item>
    <item>
      <title>I found the problem, I was</title>
      <link>https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/Segmentation-fault-with-MKL-PBLAS/m-p/776036#M1057</link>
      <description>&lt;P&gt;I found the problem, I was linking to intel mpi , when I linked to openmpi mkl the problem is solved !&lt;/P&gt;</description>
      <pubDate>Thu, 14 Aug 2014 05:02:34 GMT</pubDate>
      <guid>https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/Segmentation-fault-with-MKL-PBLAS/m-p/776036#M1057</guid>
      <dc:creator>Jehandad_K_</dc:creator>
      <dc:date>2014-08-14T05:02:34Z</dc:date>
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