Hi all, can any one tell purpose and importance of *--disable-vt*
*Thanks&Regards,* *Mahesh.N* On Wed, Oct 19, 2016 at 12:11 PM, Mahesh Nanavalla < mahesh.nanavalla...@gmail.com> wrote: > Hi all > > it's working......... > > I forget to copy all openmpi libs and bin to target board.... > > Now it's working fine....... > > Thank u all......... > > Thank u very much for your support.... > > root@OpenWrt:/# cp /openmpi/lib/libopen-rte.so.12 /usr/lib/ > root@OpenWrt:/# cp /openmpi/lib/libopen-pal.so.13 /usr/lib/ > root@OpenWrt:/# /openmpi/bin/mpirun -np 1 helloworld > -------------------------------------------------------------------------- > mpirun has detected an attempt to run as root. > Running at root is *strongly* discouraged as any mistake (e.g., in > defining TMPDIR) or bug can result in catastrophic damage to the OS > file system, leaving your system in an unusable state. > > You can override this protection by adding the --allow-run-as-root > option to your cmd line. However, we reiterate our strong advice > against doing so - please do so at your own risk. > -------------------------------------------------------------------------- > root@OpenWrt:/# /openmpi/bin/mpirun --allow-run-as-root -np 1 helloworld > Hello world from processor OpenWrt, rank 0 1 > root@OpenWrt:/# /openmpi/bin/mpirun --allow-run-as-root -np 2 helloworld > Hello world from processor OpenWrt, rank 1 2 > Hello world from processor OpenWrt, rank 0 2 > root@OpenWrt:/# /openmpi/bin/mpirun --allow-run-as-root -np 4 helloworld > Hello world from processor OpenWrt, rank 0 4 > Hello world from processor OpenWrt, rank 2 4 > Hello world from processor OpenWrt, rank 3 4 > Hello world from processor OpenWrt, rank 1 4 > > > On Tue, Oct 18, 2016 at 8:23 PM, Kawashima, Takahiro < > t-kawash...@jp.fujitsu.com> wrote: > >> Hi, >> >> You did *not* specify the following options to configure, right? >> Specifying all these will cause a problem. >> >> --disable-mmap-shmem >> --disable-posix-shmem >> --disable-sysv-shmem >> >> Please send the output of the following command. >> >> mpirun --allow-run-as-root -np 1 --mca shmem_base_verbose 100 helloworld >> >> And, give us the config.log file which is output in the >> top directory where configure is executed. >> Put it on the web or send the compressed (xz or bzip2 is better) file. >> >> Regards, >> Takahiro Kawashima >> >> > Hi Gilles, >> > >> > Thank you for reply, >> > >> > After doing below config options also >> > >> > ./configure --enable-orterun-prefix-by-default >> > --prefix="/home/nmahesh//home/nmahesh/Workspace/ARM_MPI/armmpi/openmpi" >> > CC=arm-openwrt-linux-muslgnueabi-gcc >> > CXX=arm-openwrt-linux-muslgnueabi-g++ >> > --host=arm-openwrt-linux-muslgnueabi >> > --enable-script-wrapper-compilers >> > --disable-mpi-fortran >> > --enable-shared >> > --disable-dlopen >> > >> > it's configured ,make & make install successfully..... >> > >> > i compiled *helloworld.c *programm got executable for *arm* as below(by >> > checking the readelf *armhelloworld*), >> > >> > >> > *nmahesh@nmahesh-H81MLV3:~/Workspace/ARM_MPI/mpi$ >> > /home/nmahesh/Workspace/ARM_MPI/openmpi/bin/mpicc >> > -L/home/nmahesh/Workspace/ARM_MPI/openmpi/lib helloworld.c -o >> helloworld* >> > >> > But ,while i run using mpirun on target board as below >> > >> > root@OpenWrt:/# mpirun --allow-run-as-root -np 1 helloworld >> > ------------------------------------------------------------ >> -------------- >> > It looks like opal_init failed for some reason; your parallel process is >> > likely to abort. There are many reasons that a parallel process can >> > fail during opal_init; some of which are due to configuration or >> > environment problems. This failure appears to be an internal failure; >> > here's some additional information (which may only be relevant to an >> > Open MPI developer): >> > >> > opal_shmem_base_select failed >> > --> Returned value -1 instead of OPAL_SUCCESS >> > >> > Kindly help me......... >> > >> > On Tue, Oct 18, 2016 at 7:31 PM, Mahesh Nanavalla < >> > mahesh.nanavalla...@gmail.com> wrote: >> > >> > > Hi Gilles, >> > > >> > > Thank you for reply, >> > > >> > > After doing below config options also >> > > >> > > ./configure --enable-orterun-prefix-by-default >> > > --prefix="/home/nmahesh//home/nmahesh/Workspace/ARM_MPI/armm >> pi/openmpi" >> > > CC=arm-openwrt-linux-muslgnueabi-gcc >> > > CXX=arm-openwrt-linux-muslgnueabi-g++ >> > > --host=arm-openwrt-linux-muslgnueabi >> > > --enable-script-wrapper-compilers >> > > --disable-mpi-fortran >> > > --enable-shared >> > > --disable-dlopen >> > > >> > > it's configured ,make & make install successfully..... >> > > >> > > i compiled *helloworld.c *programm got executable for *arm* as >> below(by >> > > checking the readelf *armhelloworld*), >> > > >> > > >> > > *nmahesh@nmahesh-H81MLV3:~/Workspace/ARM_MPI/mpi$ >> > > /home/nmahesh/Workspace/ARM_MPI/openmpi/bin/mpicc >> > > -L/home/nmahesh/Workspace/ARM_MPI/openmpi/lib helloworld.c -o >> helloworld* >> > > >> > > But ,while i run using mpirun on target board as below >> > > >> > > root@OpenWrt:/# mpirun --allow-run-as-root -np 1 helloworld >> > > ------------------------------------------------------------ >> -------------- >> > > It looks like opal_init failed for some reason; your parallel process >> is >> > > likely to abort. There are many reasons that a parallel process can >> > > fail during opal_init; some of which are due to configuration or >> > > environment problems. This failure appears to be an internal failure; >> > > here's some additional information (which may only be relevant to an >> > > Open MPI developer): >> > > >> > > opal_shmem_base_select failed >> > > --> Returned value -1 instead of OPAL_SUCCESS >> > > >> > > Kindly help me......... >> > > >> > > On Tue, Oct 18, 2016 at 5:51 PM, Gilles Gouaillardet < >> > > gilles.gouaillar...@gmail.com> wrote: >> > > >> > >> 3 shmem components are available in v1.10, and you explicitly >> > >> blacklisted all of them with >> > >> --disable-mmap-shmem \ >> > >> --disable-posix-shmem \ >> > >> --disable-sysv-shmem >> > >> >> > >> as a consequence, Open MPI will not start. >> > >> >> > >> unless you have a good reason, you should build all of them and let >> > >> the runtime decide which is best >> > >> >> > >> Cheers, >> > >> >> > >> Gilles >> > >> >> > >> On Tue, Oct 18, 2016 at 9:13 PM, Mahesh Nanavalla >> > >> <mahesh.nanavalla...@gmail.com> wrote: >> > >> > Hi all, >> > >> > >> > >> > Thank you for responding me.... >> > >> > >> > >> > Below is my configure options....... >> > >> > >> > >> > ./configure --enable-orterun-prefix-by-default >> > >> > --prefix="/home/nmahesh/Workspace/ARM_MPI/openmpi" \ >> > >> > CC=arm-openwrt-linux-muslgnueabi-gcc \ >> > >> > CXX=arm-openwrt-linux-muslgnueabi-g++ \ >> > >> > --host=arm-openwrt-linux-muslgnueabi \ >> > >> > --enable-script-wrapper-compilers >> > >> > --disable-mpi-fortran \ >> > >> > --enable-shared \ >> > >> > --disable-mmap-shmem \ >> > >> > --disable-posix-shmem \ >> > >> > --disable-sysv-shmem \ >> > >> > --disable-dlopen \ >> > >> > >> > >> > it's configured ,make & make install successfully..... >> > >> > >> > >> > i compiled helloworld.c programm got executable for arm as >> below(by >> > >> > checking the readelf armhelloworld), >> > >> > >> > >> > nmahesh@nmahesh-H81MLV3:~/Workspace/ARM_MPI/mpi$ >> > >> > /home/nmahesh/Workspace/ARM_MPI/openmpi/bin/mpicc >> > >> > -L/home/nmahesh/Workspace/ARM_MPI/openmpi/lib helloworld.c -o >> > >> armhelloworld >> > >> > >> > >> > nmahesh@nmahesh-H81MLV3:~/Workspace/ARM_MPI/mpi$ ls >> > >> > a.out armhelloworld helloworld.c openmpi-1.10.3 >> > >> openmpi-1.10.3.tar.gz >> > >> > >> > >> > But ,while i run using mpirun on target board as below >> > >> > >> > >> > root@OpenWrt:/# mpirun --allow-run-as-root -np 1 armhelloworld >> > >> > >> > >> > ------------------------------------------------------------ >> > >> -------------- >> > >> > It looks like opal_init failed for some reason; your parallel >> process is >> > >> > likely to abort. There are many reasons that a parallel process >> can >> > >> > fail during opal_init; some of which are due to configuration or >> > >> > environment problems. This failure appears to be an internal >> failure; >> > >> > here's some additional information (which may only be relevant to >> an >> > >> > Open MPI developer): >> > >> > >> > >> > opal_shmem_base_select failed >> > >> > --> Returned value -1 instead of OPAL_SUCCESS >> > >> > ------------------------------------------------------------ >> > >> -------------- >> > >> > root@OpenWrt:/# >> > >> > >> > >> > Kindly help me....... >> > >> > >> > >> > Thanks and Regards, >> > >> > Mahesh .N >> > >> > >> > >> > >> > >> > On Tue, Oct 18, 2016 at 5:09 PM, Kawashima, Takahiro >> > >> > <t-kawash...@jp.fujitsu.com> wrote: >> > >> >> >> > >> >> Hi, >> > >> >> >> > >> >> > How to cross compile *openmpi *for* arm *on* x86_64 pc.* >> > >> >> > >> > >> >> > *Kindly provide configure options for above...* >> > >> >> >> > >> >> You should pass your arm architecture name to the --host option. >> > >> >> >> > >> >> Example of my configure options for Open MPI, run on sparc64, >> > >> >> built on x86_64: >> > >> >> >> > >> >> --prefix=... >> > >> >> --host=sparc64-unknown-linux-gnu >> > >> >> --build=x86_64-cross-linux-gnu >> > >> >> --disable-mpi-fortran >> > >> >> CC=your_c_cross_compiler_command >> > >> >> CXX=your_cxx_cross_compiler_command >> > >> >> >> > >> >> If you need Fortran support, it's a bit complex. You need to >> > >> >> prepare a special file and pass it to the --with-cross option. >> > >> >> >> > >> >> A cross mpicc command is not built automatically with the >> > >> >> options above. There are (at least) three options to compile >> > >> >> your MPI programs. >> > >> >> >> > >> >> (A) Manually add -L, -I, and -l options to the cross gcc command >> > >> >> (or another compiler) when you compile a MPI program. >> > >> >> The options you should pass is written in >> > >> >> $installdir/share/openmpi/mpicc-wrapper-data.txt. >> > >> >> In most cases, -I$installdir/include -L$installdir/lib -lmpi >> > >> >> will be sufficient. >> > >> >> >> > >> >> (B) Use the --enable-script-wrapper-compilers option on configure >> > >> >> time, as you tried. This method may not be maintained well >> > >> >> in the Open MPI team so you may encounter problems. >> > >> >> But you can ask them on this mailing list. >> > >> >> >> > >> >> (C) Build Open MPI for x86_64 natively, copy the opal_wrapper >> > >> >> command, and write wrapper-data.txt file. >> > >> >> This is a bit complex task. I'll write the procedure on >> > >> >> GitHub Wiki when I have a time. >> _______________________________________________ >> users mailing list >> users@lists.open-mpi.org >> https://rfd.newmexicoconsortium.org/mailman/listinfo/users >> > >
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