Bug#946422: silx: autopkgtest regression: pocl error

[Andreas Beckmann]

On 19/12/2019 14.33, Graham Inggs wrote:
> On Thu, 19 Dec 2019 at 15:17, Andreas Beckmann <anbe at debian.org> wrote:
>> I'm suspecting openmpi (that gets loaded by the io import) somehow messes up some state,
>> causing the lt_*() failures.
> 
> I wonder if this is related to #946986 ?

Downgrading to python3-h5py from buster makes the problem go away. But
it also removes mpi from the loop.

Selecting previously unselected package libhdf5-103:amd64.
(Reading database ... 32183 files and directories currently installed.)
Preparing to unpack .../libhdf5-103_1.10.4+repack-10_amd64.deb ...
Unpacking libhdf5-103:amd64 (1.10.4+repack-10) ...
(Reading database ... 32197 files and directories currently installed.)
Removing python3-mpi4py (3.0.3-1) ...
Removing mpi-default-bin (1.13) ...
Removing openmpi-bin (4.0.2-4+b1) ...
Removing libhdf5-openmpi-103:amd64 (1.10.4+repack-10) ...
Removing libopenmpi3:amd64 (4.0.2-4+b1) ...
Removing libpmix2:amd64 (3.1.4-1+b1) ...
Removing libevent-2.1-7:amd64 (2.1.11-stable-1) ...
Removing libevent-pthreads-2.1-7:amd64 (2.1.11-stable-1) ...
Removing libevent-core-2.1-7:amd64 (2.1.11-stable-1) ...
Removing libfabric1 (1.6.2-3+b1) ...
Removing librdmacm1:amd64 (26.0-2) ...
Removing libibverbs1:amd64 (26.0-2) ...
Removing libnl-route-3-200:amd64 (3.4.0-1+b1) ...
Removing libnl-3-200:amd64 (3.4.0-1+b1) ...
Removing libpsm2-2 (11.2.86-1) ...
Removing libnuma1:amd64 (2.0.12-1+b1) ...
Removing libpsm-infinipath1 (3.3+20.604758e7-6+b1) ...
update-alternatives: warning: alternative
/usr/lib/libpsm1/libpsm_infinipath.so.1.16 (part of link group
libpsm_infinipath.so.1) doesn't exist; removing from list of alternatives
update-alternatives: warning: /etc/alternatives/libpsm_infinipath.so.1
is dangling; it will be updated with best choice
Removing openmpi-common (4.0.2-4) ...
Setting up libhdf5-103:amd64 (1.10.4+repack-10) ...
Setting up python3-h5py (2.8.0-3) ...
Processing triggers for libc-bin (2.29-6) ...

I can reproduce the original problem if I take some OpenCL hello world
program (e.g. https://gist.github.com/ddemidov/2925717 with s/GPU/CPU/)
and insert MPI_Init(&argc, &argv; - no python needed

Andreas