Things that read like they should be unsigned look suspicious to me: nbElems -909934592 count -1819869184
Larry Baker US Geological Survey 650-329-5608 ba...@usgs.gov > On Nov 1, 2018, at 10:34 PM, Ben Menadue <ben.mena...@nci.org.au> wrote: > > Hi, > > I haven’t heard back from the user yet, but I just put this example together > which works on 1, 2, and 3 ranks but fails for 4. Unfortunately it needs a > fair amount of memory, about 14.3GB per process, so I was running it with > -map-by ppr:1:node. > > It doesn’t fail with the segfault as the user’s code does, but it does > SIGABRT: > > 16:12 bjm900@r4320 MPI_TESTS > mpirun -mca pml ob1 -mca coll ^fca,hcoll > -map-by ppr:1:node -np 4 ./a.out > [r4450:11544] ../../../../../opal/datatype/opal_datatype_pack.h:53 > Pointer 0x2bb7ceedb010 size 131040 is outside > [0x2b9ec63cb010,0x2bad1458b010] for > base ptr 0x2b9ec63cb010 count 1 and data > [r4450:11544] Datatype 0x145fe90[] size 30720000000 align 4 id 0 length 7 > used 6 > true_lb 0 true_ub 61440000000 (true_extent 61440000000) lb 0 ub 61440000000 > (extent 61440000000) > nbElems -909934592 loops 4 flags 104 (committed )-c-----GD--[---][---] > contain OPAL_FLOAT4:* > --C--------[---][---] OPAL_LOOP_S 192 times the next 2 elements extent > 80000000 > --C---P-D--[---][---] OPAL_FLOAT4 count 20000000 disp 0xaba950000 > (46080000000) blen 0 extent 4 (size 80000000) > --C--------[---][---] OPAL_LOOP_E prev 2 elements first elem displacement > 46080000000 size of data 80000000 > --C--------[---][---] OPAL_LOOP_S 192 times the next 2 elements extent > 80000000 > --C---P-D--[---][---] OPAL_FLOAT4 count 20000000 disp 0x0 (0) blen 0 > extent 4 (size 80000000) > --C--------[---][---] OPAL_LOOP_E prev 2 elements first elem displacement > 0 size of data 80000000 > -------G---[---][---] OPAL_LOOP_E prev 6 elements first elem displacement > 46080000000 size of data 655228928 > Optimized description > -cC---P-DB-[---][---] OPAL_UINT1 count -1819869184 disp 0xaba950000 > (46080000000) blen 1 extent 1 (size 15360000000) > -cC---P-DB-[---][---] OPAL_UINT1 count -1819869184 disp 0x0 (0) blen 1 > extent 1 (size 15360000000) > -------G---[---][---] OPAL_LOOP_E prev 2 elements first elem displacement > 46080000000 > [r4450:11544] *** Process received signal *** > [r4450:11544] Signal: Aborted (6) > [r4450:11544] Signal code: (-6) > > Cheers, > Ben > > <allgatherv_failure.c><ATT00001.html>_______________________________________________ > devel mailing list > devel@lists.open-mpi.org > https://lists.open-mpi.org/mailman/listinfo/devel
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