Thanks for all your help. You are right, this no longer seems like slurm topic. I’ll post on OMPI if I need more help. _______________ Gedaliah Wolosh IST Academic and Research Computing Systems (ARCS) NJIT GITC 2203 973 596 5437 gwol...@njit.edu
> On Dec 7, 2017, at 4:31 PM, Artem Polyakov <artpo...@gmail.com> wrote: > > You seem to use a very old OMPI implementation (the current one is 3.0). So > I'd suggest to try it if you can. > And it seem like a pure OMPI problem so OMPI dev list may be more appropriate > for this topic. > > > 2017-12-07 12:53 GMT-08:00 Glenn (Gedaliah) Wolosh <gwol...@njit.edu > <mailto:gwol...@njit.edu>>: > > >> On Dec 7, 2017, at 3:26 PM, Artem Polyakov <artpo...@gmail.com >> <mailto:artpo...@gmail.com>> wrote: >> >> Given that ring is working I don't think that it's a PMI problem. >> >> Can you try running NPB with the tcp btl parameters that I've provided? (I >> assume you have TCP interconnect, let me know if it's not a case). >> >> чт, 7 дек. 2017 г. в 12:03, Glenn (Gedaliah) Wolosh <gwol...@njit.edu >> <mailto:gwol...@njit.edu>>: >>> On Dec 7, 2017, at 1:18 PM, Artem Polyakov <artpo...@gmail.com >>> <mailto:artpo...@gmail.com>> wrote: >>> >>> Couple of things to try to locate the issue: >>> >>> 1. To make sure that PMI is not working: have you tried to run something >>> simple (like hello_world >>> (https://github.com/open-mpi/ompi/blob/master/examples/hello_c.c >>> <https://github.com/open-mpi/ompi/blob/master/examples/hello_c.c>) and ring >>> (https://github.com/open-mpi/ompi/blob/master/examples/ring_c.c >>> <https://github.com/open-mpi/ompi/blob/master/examples/ring_c.c>). Please >>> try to run those two and post the results. >>> 2. If hello is working and ring is not can you try to change the fabric to >>> TCP: >>> $ export OMPI_MCA_btl=tcp,self >>> $ export OMPI_MCA_pml=ob1 >>> $ srun ... >>> >>> Please provide the outputs > > > export OMPI_MCA_btl=tcp,self > export OMPI_MCA_pml=ob1 > > srun --nodes=8 --ntasks-per-node=8 --ntasks=64 --mpi=pmi2 ./ep.C.64 > > This works — > > AS Parallel Benchmarks 3.3 -- EP Benchmark > > Number of random numbers generated: 8589934592 <tel:(858)%20993-4592> > Number of active processes: 64 > > EP Benchmark Results: > > CPU Time = 5.9208 > N = 2^ 32 > No. Gaussian Pairs = 3373275903 <tel:(337)%20327-5903>. > Sums = 4.764367927992081D+04 -8.084072988045549D+04 > Counts: > 0 1572172634. > 1 1501108549. > 2 281805648. > 3 17761221. > 4 424017. > 5 3821. > 6 13. > 7 0. > 8 0. > 9 0. > > > EP Benchmark Completed. > Class = C > Size = 8589934592 <tel:(858)%20993-4592> > Iterations = 0 > Time in seconds = 5.92 > Total processes = 64 > Compiled procs = 64 > Mop/s total = 1450.82 > Mop/s/process = 22.67 > Operation type = Random numbers generated > Verification = SUCCESSFUL > Version = 3.3.1 > Compile date = 07 Dec 2017 > > Compile options: > MPIF77 = mpif77 > FLINK = $(MPIF77) > FMPI_LIB = -L/opt/local/easybuild/software/Compiler/GC... > FMPI_INC = -I/opt/local/easybuild/software/Compiler/GC... > FFLAGS = -O > FLINKFLAGS = -O > RAND = randi8 > > > Please send feedbacks and/or the results of this run to: > > NPB Development Team > Internet: n...@nas.nasa.gov <mailto:n...@nas.nasa.gov> > > Hmm... > >> srun --mpi=pmi2 --ntasks-per-node=8 --ntasks=16 ./hello_c > hello_c.out >> >> Hello, world, I am 24 of 32, (Open MPI v1.10.3, package: Open MPI >> gwol...@snode2.p-stheno.tartan.njit.edu >> <mailto:gwol...@snode2.p-stheno.tartan.njit.edu> Distribution, ident: >> 1.10.3, repo rev: v1.10.2-251-g9acf492, Jun 14, 2016, 150) >> Hello, world, I am 0 of 32, (Open MPI v1.10.3, package: Open MPI >> gwol...@snode2.p-stheno.tartan.njit.edu >> <mailto:gwol...@snode2.p-stheno.tartan.njit.edu> Distribution, ident: >> 1.10.3, repo rev: v1.10.2-251-g9acf492, Jun 14, 2016, 150) >> Hello, world, I am 25 of 32, (Open MPI v1.10.3, package: Open MPI >> gwol...@snode2.p-stheno.tartan.njit.edu >> <mailto:gwol...@snode2.p-stheno.tartan.njit.edu> Distribution, ident: >> 1.10.3, repo rev: v1.10.2-251-g9acf492, Jun 14, 2016, 150) >> Hello, world, I am 1 of 32, (Open MPI v1.10.3, package: Open MPI >> gwol...@snode2.p-stheno.tartan.njit.edu >> <mailto:gwol...@snode2.p-stheno.tartan.njit.edu> Distribution, ident: >> 1.10.3, repo rev: v1.10.2-251-g9acf492, Jun 14, 2016, 150) >> Hello, world, I am 27 of 32, (Open MPI v1.10.3, package: Open MPI >> gwol...@snode2.p-stheno.tartan.njit.edu >> <mailto:gwol...@snode2.p-stheno.tartan.njit.edu> Distribution, ident: >> 1.10.3, repo rev: v1.10.2-251-g9acf492, Jun 14, 2016, 150) >> Hello, world, I am 2 of 32, (Open MPI v1.10.3, package: Open MPI >> gwol...@snode2.p-stheno.tartan.njit.edu >> <mailto:gwol...@snode2.p-stheno.tartan.njit.edu> Distribution, ident: >> 1.10.3, repo rev: v1.10.2-251-g9acf492, Jun 14, 2016, 150) >> Hello, world, I am 29 of 32, (Open MPI v1.10.3, package: Open MPI >> gwol...@snode2.p-stheno.tartan.njit.edu >> <mailto:gwol...@snode2.p-stheno.tartan.njit.edu> Distribution, ident: >> 1.10.3, repo rev: v1.10.2-251-g9acf492, Jun 14, 2016, 150) >> Hello, world, I am 31 of 32, (Open MPI v1.10.3, package: Open MPI >> gwol...@snode2.p-stheno.tartan.njit.edu >> <mailto:gwol...@snode2.p-stheno.tartan.njit.edu> Distribution, ident: >> 1.10.3, repo rev: v1.10.2-251-g9acf492, Jun 14, 2016, 150) >> Hello, world, I am 30 of 32, (Open MPI v1.10.3, package: Open MPI >> gwol...@snode2.p-stheno.tartan.njit.edu >> <mailto:gwol...@snode2.p-stheno.tartan.njit.edu> Distribution, ident: >> 1.10.3, repo rev: v1.10.2-251-g9acf492, Jun 14, 2016, 150) >> Hello, world, I am 4 of 32, (Open MPI v1.10.3, package: Open MPI >> gwol...@snode2.p-stheno.tartan.njit.edu >> <mailto:gwol...@snode2.p-stheno.tartan.njit.edu> Distribution, ident: >> 1.10.3, repo rev: v1.10.2-251-g9acf492, Jun 14, 2016, 150) >> Hello, world, I am 5 of 32, (Open MPI v1.10.3, package: Open MPI >> gwol...@snode2.p-stheno.tartan.njit.edu >> <mailto:gwol...@snode2.p-stheno.tartan.njit.edu> Distribution, ident: >> 1.10.3, repo rev: v1.10.2-251-g9acf492, Jun 14, 2016, 150) >> Hello, world, I am 17 of 32, (Open MPI v1.10.3, package: Open MPI >> gwol...@snode2.p-stheno.tartan.njit.edu >> <mailto:gwol...@snode2.p-stheno.tartan.njit.edu> Distribution, ident: >> 1.10.3, repo rev: v1.10.2-251-g9acf492, Jun 14, 2016, 150) >> Hello, world, I am 3 of 32, (Open MPI v1.10.3, package: Open MPI >> gwol...@snode2.p-stheno.tartan.njit.edu >> <mailto:gwol...@snode2.p-stheno.tartan.njit.edu> Distribution, ident: >> 1.10.3, repo rev: v1.10.2-251-g9acf492, Jun 14, 2016, 150) >> Hello, world, I am 7 of 32, (Open MPI v1.10.3, package: Open MPI >> gwol...@snode2.p-stheno.tartan.njit.edu >> <mailto:gwol...@snode2.p-stheno.tartan.njit.edu> Distribution, ident: >> 1.10.3, repo rev: v1.10.2-251-g9acf492, Jun 14, 2016, 150) >> Hello, world, I am 6 of 32, (Open MPI v1.10.3, package: Open MPI >> gwol...@snode2.p-stheno.tartan.njit.edu >> <mailto:gwol...@snode2.p-stheno.tartan.njit.edu> Distribution, ident: >> 1.10.3, repo rev: v1.10.2-251-g9acf492, Jun 14, 2016, 150) >> Hello, world, I am 18 of 32, (Open MPI v1.10.3, package: Open MPI >> gwol...@snode2.p-stheno.tartan.njit.edu >> <mailto:gwol...@snode2.p-stheno.tartan.njit.edu> Distribution, ident: >> 1.10.3, repo rev: v1.10.2-251-g9acf492, Jun 14, 2016, 150) >> Hello, world, I am 22 of 32, (Open MPI v1.10.3, package: Open MPI >> gwol...@snode2.p-stheno.tartan.njit.edu >> <mailto:gwol...@snode2.p-stheno.tartan.njit.edu> Distribution, ident: >> 1.10.3, repo rev: v1.10.2-251-g9acf492, Jun 14, 2016, 150) >> Hello, world, I am 23 of 32, (Open MPI v1.10.3, package: Open MPI >> gwol...@snode2.p-stheno.tartan.njit.edu >> <mailto:gwol...@snode2.p-stheno.tartan.njit.edu> Distribution, ident: >> 1.10.3, repo rev: v1.10.2-251-g9acf492, Jun 14, 2016, 150) >> Hello, world, I am 19 of 32, (Open MPI v1.10.3, package: Open MPI >> gwol...@snode2.p-stheno.tartan.njit.edu >> <mailto:gwol...@snode2.p-stheno.tartan.njit.edu> Distribution, ident: >> 1.10.3, repo rev: v1.10.2-251-g9acf492, Jun 14, 2016, 150) >> Hello, world, I am 9 of 32, (Open MPI v1.10.3, package: Open MPI >> gwol...@snode2.p-stheno.tartan.njit.edu >> <mailto:gwol...@snode2.p-stheno.tartan.njit.edu> Distribution, ident: >> 1.10.3, repo rev: v1.10.2-251-g9acf492, Jun 14, 2016, 150) >> Hello, world, I am 20 of 32, (Open MPI v1.10.3, package: Open MPI >> gwol...@snode2.p-stheno.tartan.njit.edu >> <mailto:gwol...@snode2.p-stheno.tartan.njit.edu> Distribution, ident: >> 1.10.3, repo rev: v1.10.2-251-g9acf492, Jun 14, 2016, 150) >> Hello, world, I am 8 of 32, (Open MPI v1.10.3, package: Open MPI >> gwol...@snode2.p-stheno.tartan.njit.edu >> <mailto:gwol...@snode2.p-stheno.tartan.njit.edu> Distribution, ident: >> 1.10.3, repo rev: v1.10.2-251-g9acf492, Jun 14, 2016, 150) >> Hello, world, I am 10 of 32, (Open MPI v1.10.3, package: Open MPI >> gwol...@snode2.p-stheno.tartan.njit.edu >> <mailto:gwol...@snode2.p-stheno.tartan.njit.edu> Distribution, ident: >> 1.10.3, repo rev: v1.10.2-251-g9acf492, Jun 14, 2016, 150) >> Hello, world, I am 13 of 32, (Open MPI v1.10.3, package: Open MPI >> gwol...@snode2.p-stheno.tartan.njit.edu >> <mailto:gwol...@snode2.p-stheno.tartan.njit.edu> Distribution, ident: >> 1.10.3, repo rev: v1.10.2-251-g9acf492, Jun 14, 2016, 150) >> Hello, world, I am 11 of 32, (Open MPI v1.10.3, package: Open MPI >> gwol...@snode2.p-stheno.tartan.njit.edu >> <mailto:gwol...@snode2.p-stheno.tartan.njit.edu> Distribution, ident: >> 1.10.3, repo rev: v1.10.2-251-g9acf492, Jun 14, 2016, 150) >> Hello, world, I am 26 of 32, (Open MPI v1.10.3, package: Open MPI >> gwol...@snode2.p-stheno.tartan.njit.edu >> <mailto:gwol...@snode2.p-stheno.tartan.njit.edu> Distribution, ident: >> 1.10.3, repo rev: v1.10.2-251-g9acf492, Jun 14, 2016, 150) >> Hello, world, I am 16 of 32, (Open MPI v1.10.3, package: Open MPI >> gwol...@snode2.p-stheno.tartan.njit.edu >> <mailto:gwol...@snode2.p-stheno.tartan.njit.edu> Distribution, ident: >> 1.10.3, repo rev: v1.10.2-251-g9acf492, Jun 14, 2016, 150) >> Hello, world, I am 14 of 32, (Open MPI v1.10.3, package: Open MPI >> gwol...@snode2.p-stheno.tartan.njit.edu >> <mailto:gwol...@snode2.p-stheno.tartan.njit.edu> Distribution, ident: >> 1.10.3, repo rev: v1.10.2-251-g9acf492, Jun 14, 2016, 150) >> Hello, world, I am 28 of 32, (Open MPI v1.10.3, package: Open MPI >> gwol...@snode2.p-stheno.tartan.njit.edu >> <mailto:gwol...@snode2.p-stheno.tartan.njit.edu> Distribution, ident: >> 1.10.3, repo rev: v1.10.2-251-g9acf492, Jun 14, 2016, 150) >> Hello, world, I am 21 of 32, (Open MPI v1.10.3, package: Open MPI >> gwol...@snode2.p-stheno.tartan.njit.edu >> <mailto:gwol...@snode2.p-stheno.tartan.njit.edu> Distribution, ident: >> 1.10.3, repo rev: v1.10.2-251-g9acf492, Jun 14, 2016, 150) >> Hello, world, I am 15 of 32, (Open MPI v1.10.3, package: Open MPI >> gwol...@snode2.p-stheno.tartan.njit.edu >> <mailto:gwol...@snode2.p-stheno.tartan.njit.edu> Distribution, ident: >> 1.10.3, repo rev: v1.10.2-251-g9acf492, Jun 14, 2016, 150) >> Hello, world, I am 12 of 32, (Open MPI v1.10.3, package: Open MPI >> gwol...@snode2.p-stheno.tartan.njit.edu >> <mailto:gwol...@snode2.p-stheno.tartan.njit.edu> Distribution, ident: >> 1.10.3, repo rev: v1.10.2-251-g9acf492, Jun 14, 2016, 150) >> >> srun --mpi=pmi2 --ntasks-per-node=8 --ntasks=16 --nodes=2 ./ring_c > >> ring_c.out >> >> Process 1 exiting >> Process 12 exiting >> Process 14 exiting >> Process 13 exiting >> Process 3 exiting >> Process 11 exiting >> Process 5 exiting >> Process 6 exiting >> Process 2 exiting >> Process 4 exiting >> Process 9 exiting >> Process 10 exiting >> Process 7 exiting >> Process 15 exiting >> Process 0 sending 10 to 1, tag 201 (16 processes in ring) >> Process 0 sent to 1 >> Process 0 decremented value: 9 >> Process 0 decremented value: 8 >> Process 0 decremented value: 7 >> Process 0 decremented value: 6 >> Process 0 decremented value: 5 >> Process 0 decremented value: 4 >> Process 0 decremented value: 3 >> Process 0 decremented value: 2 >> Process 0 decremented value: 1 >> Process 0 decremented value: 0 >> Process 0 exiting >> Process 8 exiting >> >>> >>> 2017-12-07 10:05 GMT-08:00 Glenn (Gedaliah) Wolosh <gwol...@njit.edu >>> <mailto:gwol...@njit.edu>>: >>> >>> >>>> On Dec 7, 2017, at 12:51 PM, Artem Polyakov <artpo...@gmail.com >>>> <mailto:artpo...@gmail.com>> wrote: >>>> >>>> also please post the output of >>>> $ srun --mpi=list >>> >>> [gwolosh@p-slogin bin]$ srun --mpi=list >>> srun: MPI types are... >>> srun: mpi/mpich1_shmem >>> srun: mpi/mpich1_p4 >>> srun: mpi/lam >>> srun: mpi/openmpi >>> srun: mpi/none >>> srun: mpi/mvapich >>> srun: mpi/mpichmx >>> srun: mpi/pmi2 >>> srun: mpi/mpichgm >>> >>> >>>> >>>> When job crashes - is there any error messages in the relevant >>>> slurmd.log's or output on the screen? >>> >>> on screen — >>> >>> [snode4][[274,1],24][connect/btl_openib_connect_udcm.c:1448:udcm_wait_for_send_completion] >>> send failed with verbs status 2 >>> [snode4:5175] *** An error occurred in MPI_Bcast >>> [snode4:5175] *** reported by process [17956865,24] >>> [snode4:5175] *** on communicator MPI_COMM_WORLD >>> [snode4:5175] *** MPI_ERR_OTHER: known error not in list >>> [snode4:5175] *** MPI_ERRORS_ARE_FATAL (processes in this communicator will >>> now abort, >>> [snode4:5175] *** and potentially your MPI job) >>> mlx4: local QP operation err (QPN 0005f3, WQE index 40000, vendor syndrome >>> 6c, opcode = 5e) >>> srun: Job step aborted: Waiting up to 32 seconds for job step to finish. >>> [snode4][[274,1],31][connect/btl_openib_connect_udcm.c:1448:udcm_wait_for_send_completion] >>> send failed with verbs status 2 >>> slurmstepd: error: *** STEP 274.0 ON snode1 CANCELLED AT >>> 2017-12-07T12:55:46 *** >>> [snode4:5182] *** An error occurred in MPI_Bcast >>> [snode4:5182] *** reported by process [17956865,31] >>> [snode4:5182] *** on communicator MPI_COMM_WORLD >>> [snode4:5182] *** MPI_ERR_OTHER: known error not in list >>> [snode4:5182] *** MPI_ERRORS_ARE_FATAL (processes in this communicator will >>> now abort, >>> [snode4:5182] *** and potentially your MPI job) >>> mlx4: local QP operation err (QPN 0005f7, WQE index 40000, vendor syndrome >>> 6c, opcode = 5e) >>> [snode4][[274,1],27][connect/btl_openib_connect_udcm.c:1448:udcm_wait_for_send_completion] >>> send failed with verbs status 2 >>> [snode4:5178] *** An error occurred in MPI_Bcast >>> [snode4:5178] *** reported by process [17956865,27] >>> [snode4:5178] *** on communicator MPI_COMM_WORLD >>> [snode4:5178] *** MPI_ERR_OTHER: known error not in list >>> [snode4:5178] *** MPI_ERRORS_ARE_FATAL (processes in this communicator will >>> now abort, >>> [snode4:5178] *** and potentially your MPI job) >>> mlx4: local QP operation err (QPN 0005fa, WQE index 40000, vendor syndrome >>> 6c, opcode = 5e) >>> srun: error: snode4: tasks 24,31: Exited with exit code 16 >>> srun: error: snode4: tasks 25-30: Killed >>> srun: error: snode5: tasks 32-39: Killed >>> srun: error: snode3: tasks 16-23: Killed >>> srun: error: snode8: tasks 56-63: Killed >>> srun: error: snode7: tasks 48-55: Killed >>> srun: error: snode1: tasks 0-7: Killed >>> srun: error: snode2: tasks 8-15: Killed >>> srun: error: snode6: tasks 40-47: Killed >>> >>> Nothing striking in the slurmd log >>> >>> >>>> >>>> 2017-12-07 9:49 GMT-08:00 Artem Polyakov <artpo...@gmail.com >>>> <mailto:artpo...@gmail.com>>: >>>> Hello, >>>> >>>> what is the value of MpiDefault option in your Slurm configuration file? >>>> >>>> 2017-12-07 9:37 GMT-08:00 Glenn (Gedaliah) Wolosh <gwol...@njit.edu >>>> <mailto:gwol...@njit.edu>>: >>>> Hello >>>> >>>> This is using Slurm version - 17.02.6 running on Scientific Linux release >>>> 7.4 (Nitrogen) >>>> >>>> [gwolosh@p-slogin bin]$ module li >>>> >>>> Currently Loaded Modules: >>>> 1) GCCcore/.5.4.0 (H) 2) binutils/.2.26 (H) 3) GCC/5.4.0-2.26 4) >>>> numactl/2.0.11 5) hwloc/1.11.3 6) OpenMPI/1.10.3 >>>> >>>> If I run >>>> >>>> srun --nodes=8 --ntasks-per-node=8 --ntasks=64 ./ep.C.64 >>>> >>>> It runs successfuly but I get a message — >>>> >>>> PMI2 initialized but returned bad values for size/rank/jobid. >>>> This is symptomatic of either a failure to use the >>>> "--mpi=pmi2" flag in SLURM, or a borked PMI2 installation. >>>> If running under SLURM, try adding "-mpi=pmi2" to your >>>> srun command line. If that doesn't work, or if you are >>>> not running under SLURM, try removing or renaming the >>>> pmi2.h header file so PMI2 support will not automatically >>>> be built, reconfigure and build OMPI, and then try again >>>> with only PMI1 support enabled. >>>> >>>> If I run >>>> >>>> srun --nodes=8 --ntasks-per-node=8 --ntasks=64 —mpi=pmi2 ./ep.C.64 >>>> >>>> The job crashes >>>> >>>> If I run via sbatch — >>>> >>>> #!/bin/bash >>>> # Job name: >>>> #SBATCH --job-name=nas_bench >>>> #SBATCH --nodes=8 >>>> #SBATCH --ntasks=64 >>>> #SBATCH --ntasks-per-node=8 >>>> #SBATCH --time=48:00:00 >>>> #SBATCH --output=nas.out.1 >>>> # >>>> ## Command(s) to run (example): >>>> module use $HOME/easybuild/modules/all/Core >>>> module load GCC/5.4.0-2.26 OpenMPI/1.10.3 >>>> mpirun -np 64 ./ep.C.64 >>>> >>>> the job crashes >>>> >>>> Using easybuild, these are my config options for ompi — >>>> >>>> configopts = '--with-threads=posix --enable-shared >>>> --enable-mpi-thread-multiple --with-verbs ' >>>> configopts += '--enable-mpirun-prefix-by-default ' # suppress failure >>>> modes in relation to mpirun path >>>> configopts += '--with-hwloc=$EBROOTHWLOC ' # hwloc support >>>> configopts += '--disable-dlopen ' # statically link component, don't do >>>> dynamic loading >>>> configopts += '--with-slurm --with-pmi ‘ >>>> >>>> And finally — >>>> >>>> $ ldd >>>> /opt/local/easybuild/software/Compiler/GCC/5.4.0-2.26/OpenMPI/1.10.3/bin/orterun >>>> | grep pmi >>>> libpmi.so.0 => /usr/lib64/libpmi.so.0 (0x00007f0129d6d000) >>>> libpmi2.so.0 => /usr/lib64/libpmi2.so.0 (0x00007f0129b51000) >>>> >>>> $ ompi_info | grep pmi >>>> MCA db: pmi (MCA v2.0.0, API v1.0.0, Component v1.10.3) >>>> MCA ess: pmi (MCA v2.0.0, API v3.0.0, Component v1.10.3) >>>> MCA grpcomm: pmi (MCA v2.0.0, API v2.0.0, Component v1.10.3) >>>> MCA pubsub: pmi (MCA v2.0.0, API v2.0.0, Component v1.10.3) >>>> >>>> >>>> Any suggestions? >>>> _______________ >>>> Gedaliah Wolosh >>>> IST Academic and Research Computing Systems (ARCS) >>>> NJIT >>>> GITC 2203 >>>> 973 596 5437 <tel:(973)%20596-5437> >>>> gwol...@njit.edu <mailto:gwol...@njit.edu> >>>> >>>> >>>> >>>> >>>> -- >>>> С Уважением, Поляков Артем Юрьевич >>>> Best regards, Artem Y. Polyakov >>>> >>>> >>>> >>>> -- >>>> С Уважением, Поляков Артем Юрьевич >>>> Best regards, Artem Y. Polyakov >>> >>> >>> >>> >>> -- >>> С Уважением, Поляков Артем Юрьевич >>> Best regards, Artem Y. Polyakov >> >> -- >> ----- Best regards, Artem Polyakov (Mobile mail) > > > > > -- > С Уважением, Поляков Артем Юрьевич > Best regards, Artem Y. Polyakov