Bug#918369: FTBFS for armhf on arm64, fails MPI-based tests

[Adrian Bunk]

On Tue, Jan 08, 2019 at 02:49:13PM +0000, Steve McIntyre wrote:
> On Tue, Jan 08, 2019 at 02:12:06PM +0000, Steve McIntyre wrote:
> >On Tue, Jan 08, 2019 at 10:42:01AM +0000, Alastair McKinstry wrote:
> >>Hi Steve
> >>
> >>On 05/01/2019 15:40, Steve McIntyre wrote:
> >>> Package: src:p4est
> >>> Version: 1.1-5
> >>> Severity: important
> >>> 
> >>> I've been doing a full rebuild of the Debian archive, building all
> >>> source packages targeting armel and armhf using arm64 hardware. We are
> >>> planning in future to move all of our 32-bit armel/armhf builds to
> >>> using arm64 machines, so this rebuild is to identify packages that
> >>> might have problems with this configuration.
> >>> 
> >>You submitted this and a number of other MPI-test based bugs. I believe they
> >>may be due to  #918157, a regression in pmix that breaks MPI on 32-bit archs.
> >>
> >>I've uploaded a new openmpi (3.1.3-8) that uses its internal pmix until a fix
> >>is found for #918157, so these should now work. Can you re-test ?
> >
> >Sure, no problem. I've just queued all those builds to rebuild again
> >now. I'll let you know how that goes.
> 
> Not looking good, I'm afraid. The errors are different, but still
> seeing errors. From the dune-common rebuild:
> 
> ...
>  1/91 Test  #1: indexsettest ...........................   Passed    0.01 sec
>       Start  2: remoteindicestest
>  2/91 Test  #2: remoteindicestest ......................***Failed    0.05 sec
> [mjolnir:16218] mca_base_component_repository_open: unable to open mca_pmix_pmix2x: /usr/lib/arm-linux-gnueabihf/openmpi/lib/openmpi3/mca_pmix_pmix2x.
> so: undefined symbol: OPAL_MCA_PMIX2X_PMIx_Get_version (ignored)
>...

That's #918713, which is caused by the workaround for #918157 in 3.1.3-8.

cu
Adrian

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