ammer/strace-analyzer
[2]https://linux-nfs.vger.kernel.narkive.com/l14j0vTR/fcntl-f-setlkw-hangs-on-linux-nfs-mount
Best
Christoph
- Mensaje original -
De: "Gilles Gouaillardet"
Para: "Open MPI Users"
Enviados: Domingo, 31 de Marzo 2019 5:42:49
Asunto: Re: [OMPI us
ps://linux-nfs.vger.kernel.narkive.com/l14j0vTR/fcntl-f-setlkw-hangs-on-linux-nfs-mount
Best
Christoph
- Mensaje original -
De: "Gilles Gouaillardet"
Para: "Open MPI Users"
Enviados: Domingo, 31 de Marzo 2019 5:42:49
Asunto: Re: [OMPI users] Using strace with Open MPI on Cray
Ch
Christoph,
I do not know how to fix this, but here are some suggestions/thoughts
- do you need the -f flag ? if not, just remote it
- what if you mpirun strace -o /dev/null ... ?
- if the former works, then you might want to redirect the strace
output to a local file (mpirun wrapper.sh, in which
...
> On a Lustre file system the problem does not show up.
>
> Best
> Christoph
>
> - Mensaje original -
> De: "niethammer"
> Para: "Open MPI Users"
> Enviados: Sábado, 30 de Marzo 2019 10:25:49
> Asunto: [OMPI users] Using strace with Ope
Sábado, 30 de Marzo 2019 10:25:49
Asunto: [OMPI users] Using strace with Open MPI on Cray
Hello,
I was trying to investigate some processes with strace under Open MPI.
However I have some issues when MPI I/O functionality is included writing data
to a NFS file system.
mpirun -np 2 strace -f
Hello,
I was trying to investigate some processes with strace under Open MPI.
However I have some issues when MPI I/O functionality is included writing data
to a NFS file system.
mpirun -np 2 strace -f ./hello-world mpi-io
does not return and strace is stuck reporting infinite "poll" calls.
How