On 15/03/13 02:47 PM, jjv5 wrote:
> Hello,
>
> I am unable to complete an assembly on the same machine and with the
> same parameters as soe previous runs but with a different set of input
> reads.
>
> The program runs for many hours and then gives a seg fault error:
>
> Rank 20: assembler memory usage: 7002348 KiB
> Rank 39: assembler memory usage: 7002340 KiB
> Rank 39: gathering scaffold links [1/539] [1/776]
> Rank 39: assembler memory usage: 7002340 KiB
> Rank 17: gathering scaffold links [1/576] [1/545]
> Rank 17: assembler memory usage: 7006448 KiB
> [vgncompute1:71378] *** Process received signal ***
> [vgncompute1:71378] Signal: Segmentation fault (11)
> [vgncompute1:71378] Signal code: Address not mapped (1)
> [vgncompute1:71378] Failing at address: 0x16d6b0
> [vgncompute1:71378] [ 0] /lib64/libpthread.so.0() [0x3b9b80f500]
> [vgncompute1:71378] [ 1]
> /mnt/Nexenta/archive/Software/RAY/Ray-v2.1.0/Ray(_ZNK4Read6lengthEv+0)
> [0x50a9b0]
> [vgncompute1:71378] [ 2]
> /mnt/Nexenta/archive/Software/RAY/Ray-v2.1.0/Ray(_ZN16MessageProcessor33call_RAY_MPI_TAG_GET_READ_MARKERSEP7Message+0x9f)
> [0x49c09f]
> [vgncompute1:71378] [ 3]
> /mnt/Nexenta/archive/Software/RAY/Ray-v2.1.0/Ray(_ZN11ComputeCore10runVanillaEv+0x61)
> [0x532351]
> [vgncompute1:71378] [ 4]
> /mnt/Nexenta/archive/Software/RAY/Ray-v2.1.0/Ray(_ZN11ComputeCore3runEv+0x6e)
> [0x53379e]
> [vgncompute1:71378] [ 5]
> /mnt/Nexenta/archive/Software/RAY/Ray-v2.1.0/Ray(_ZN7Machine5startEv+0x1697)
> [0x4487a7]
> [vgncompute1:71378] [ 6]
> /mnt/Nexenta/archive/Software/RAY/Ray-v2.1.0/Ray(main+0x3a) [0x443bba]
> [vgncompute1:71378] [ 7] /lib64/libc.so.6(__libc_start_main+0xfd) 
> [0x3b9ac1ecdd]
> [vgncompute1:71378] [ 8]
> /mnt/Nexenta/archive/Software/RAY/Ray-v2.1.0/Ray() [0x443a89]
> [vgncompute1:71378] *** End of error message ***
> Rank 24: gathering scaffold links [1/507] [1/856]
> Rank 24: assembler memory usage: 7002352 KiB
> --------------------------------------------------------------------------
> mpiexec noticed that process rank 39 with PID 71378 on node
> vgncompute1.uvm.edu exited on signal 11 (Segmentation fault).
> --------------------------------------------------------------------------
>
>
> The command used to run is:
>
> -bash-4.1$ cat RayCommand.txt
> mpiexec -n 40 Ray \
>   -mca \
>   btl \
>   ^sm \

It should be

mpiexec -n 40 --mca btl ^sm Ray ...

and not

mpiexec -n 40 Ray -mca btl ^sm

>   -disable-recycling \

This bug (infinite looping) was fixed in the development branch.

>   -o \
>   coco_filtered.200.NCBI \
>   -p \
>   
> /mnt/Nexenta/archive/BC_Projects/BCProject-1-Launen-Metagenomics/analysis_recovered_reads/filtered-reads/coco/coco_filtered_left.fastq
> \
>   
> /mnt/Nexenta/archive/BC_Projects/BCProject-1-Launen-Metagenomics/analysis_recovered_reads/filtered-reads/coco/coco_filtered_right.fastqa
> \

Is this a type or your file is really called coco_filtered_right.fastqa ?


You should use symbolic links instead of these long VFS paths.

>   -k \
>   31 \
>   -minimum-contig-length \
>   200
>
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