Your message dated Thu, 10 Jan 2019 20:45:52 +0000
with message-id <[email protected]>
and subject line Re: Bug#918369: FTBFS for armhf on arm64, fails MPI-based tests
has caused the Debian Bug report #918369,
regarding FTBFS for armhf on arm64, fails MPI-based tests
to be marked as done.
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--
918369: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=918369
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--- Begin Message ---
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.
I've tried to build p4est for armhf on top of arm64, and it's failing
some of its tests. It looks like a problem with MPI_Init() at various
points, but I don't know enough to do even basic debugging here -
sorry!
(A similar bug has shown up when building dune-common, and it's
suggested that these might have a common root in #918157.)
...
FAIL: test/sc_test_allgather
============================
--------------------------------------------------------------------------
At least one pair of MPI processes are unable to reach each other for
MPI communications. This means that no Open MPI device has indicated
that it can be used to communicate between these processes. This is
an error; Open MPI requires that all MPI processes be able to reach
each other. This error can sometimes be the result of forgetting to
specify the "self" BTL.
Process 1 ([[58723,1],1]) is on host: mustang3
Process 2 ([[58723,1],0]) is on host: mustang3
BTLs attempted: tcp self vader
Your MPI job is now going to abort; sorry.
--------------------------------------------------------------------------
--------------------------------------------------------------------------
MPI_INIT has failed because at least one MPI process is unreachable
from another. This *usually* means that an underlying communication
plugin -- such as a BTL or an MTL -- has either not loaded or not
allowed itself to be used. Your MPI job will now abort.
You may wish to try to narrow down the problem;
* Check the output of ompi_info to see which BTL/MTL plugins are
available.
* Run your application with MPI_THREAD_SINGLE.
* Set the MCA parameter btl_base_verbose to 100 (or mtl_base_verbose,
if using MTL-based communications) to see exactly which
communication plugins were considered and/or discarded.
--------------------------------------------------------------------------
[mustang3:11167] *** An error occurred in MPI_Init
[mustang3:11167] *** reported by process [3848470529,1]
[mustang3:11167] *** on a NULL communicator
[mustang3:11167] *** Unknown error
[mustang3:11167] *** MPI_ERRORS_ARE_FATAL (processes in this communicator will
now abort,
[mustang3:11167] *** and potentially your MPI job)
FAIL test/sc_test_allgather (exit status: 1)
...
Full build log is online at
https://www.einval.com/debian/arm/rebuild-logs/armhf/FAIL/p4est_1.1-5_armhf.log
-- System Information:
Debian Release: 9.6
APT prefers stable-updates
APT policy: (500, 'stable-updates'), (500, 'stable-debug'), (500, 'stable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 4.9.0-8-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8),
LANGUAGE=en_GB.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
--- End Message ---
--- Begin Message ---
On Thu, Jan 10, 2019 at 07:12:09PM +0000, Steve McIntyre wrote:
>Hi Alastair,
>
>On Thu, Jan 10, 2019 at 04:59:31PM +0000, Alastair McKinstry wrote:
>>This should work now, with pmix and openmpi updated.
>>
>>Can you check?
>
>Looks much better now. I've successfully run builds of dune-common,
>dune-grid-glue and dune-grid for armhf. I'm waiting on dune-pdelab,
>elpa and p4est.
And they all passed too.
Closing those bugs now.
--
Steve McIntyre, Cambridge, UK. [email protected]
"I used to be the first kid on the block wanting a cranial implant,
now I want to be the first with a cranial firewall. " -- Charlie Stross
--- End Message ---
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