Bug#979041: libopempi3: aborts python code due to libfabric fork() issues

2021-09-02 Thread Lucas Nussbaum
On 02/09/21 at 00:16 +0200, Lucas Nussbaum wrote: > reopen 979041 > notfixed 979041 4.1.0-7 > thanks > > Hi, > > I ran into this problem with 4.1.0-7. The ofi BTL was disabled, but not > the ofi MTL. In some cases, both need to be disabled. > > You need something like: > mtl = ^ofi > in addition

Bug#979041: libopempi3: aborts python code due to libfabric fork() issues

2021-09-01 Thread Lucas Nussbaum
reopen 979041 notfixed 979041 4.1.0-7 thanks Hi, I ran into this problem with 4.1.0-7. The ofi BTL was disabled, but not the ofi MTL. In some cases, both need to be disabled. You need something like: mtl = ^ofi in addition to: btl = ^ofi (I ran into this with https://github.com/LLNL/mpiGraph an

Bug#979041: libopempi3: aborts python code due to libfabric fork() issues

2021-01-18 Thread Drew Parsons
On 2021-01-15 23:14, Alastair McKinstry wrote: Ugh. Thanks Drew. What are the contents of /etc/openmpi/openmpi-mca-params.conf on the node? Does a simple hello world (see Debian/tests/hello* ) work without errors in the environment ? Hi Alastair, sorry for the delay replying to these questi

Bug#979041: libopempi3: aborts python code due to libfabric fork() issues

2021-01-18 Thread Drew Parsons
Package: libopenmpi3 Version: 4.1.0-6 Followup-For: Bug #979041 Control: reopen 979041 We need to reopen this bug unfortunately. The libfabric (RDMAV_FORK_SAFE) issue is still live in python MPI applications. You can see it in pytest-mpi tests as reported previously, or in a rebuild of mpi4py, e.

Bug#979041: libopempi3: aborts python code due to libfabric fork() issues

2021-01-15 Thread Alastair McKinstry
Ugh. Thanks Drew. What are the contents of /etc/openmpi/openmpi-mca-params.conf on the node? Does a simple hello world (see Debian/tests/hello* ) work without errors in the environment ? Regards Alastair On 15/01/2021, 08:39, "Drew Parsons" wrote: Package: libopenmpi3 Version: 4.1.0-

Bug#979041: libopempi3: aborts python code due to libfabric fork() issues

2021-01-15 Thread Drew Parsons
Package: libopenmpi3 Version: 4.1.0-5 Followup-For: Bug #979041 There's evidence this libfabric bug is not fully fixed. pytest-mpi (0.4-3) is failing tests: A process has executed an operation involving a call to the fork() system call to create a child process. As a result, the libfabr

Bug#979041: libopempi3: aborts python code due to libfabric fork() issues

2021-01-02 Thread Michael Banck
Package: libopenmpi3 Version: 4.1.0-3 Severity: serious The revert of pmix has fixed some issues, but python packages still show autopkgtest regressions in dolfin[1], gpaw[2], gyoto[3] and mshr[4] . The error is always like this: |A process has executed an operation involving a call |to the fork(