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Subject: Re: [OMPI devel] 1.7.4rc2r30148 run failure NetBSD6-x86
From: Paul Hargrove (phhargrove_at_[hidden])
Date: 2014-01-09 00:06:59


Requested verbose output below.
-Paul

-bash-4.2$ mpirun -mca ess_base_verbose 10 -np 1 examples/ring_c
[pcp-j-17:02150] mca: base: components_register: registering ess components
[pcp-j-17:02150] mca: base: components_register: found loaded component env
[pcp-j-17:02150] mca: base: components_register: component env has no
register or open function
[pcp-j-17:02150] mca: base: components_register: found loaded component hnp
[pcp-j-17:02150] mca: base: components_register: component hnp has no
register or open function
[pcp-j-17:02150] mca: base: components_register: found loaded component
singleton
[pcp-j-17:02150] mca: base: components_register: component singleton
register function successful
[pcp-j-17:02150] mca: base: components_register: found loaded component tool
[pcp-j-17:02150] mca: base: components_register: component tool has no
register or open function
[pcp-j-17:02150] mca: base: components_open: opening ess components
[pcp-j-17:02150] mca: base: components_open: found loaded component env
[pcp-j-17:02150] mca: base: components_open: component env open function
successful
[pcp-j-17:02150] mca: base: components_open: found loaded component hnp
[pcp-j-17:02150] mca: base: components_open: component hnp open function
successful
[pcp-j-17:02150] mca: base: components_open: found loaded component
singleton
[pcp-j-17:02150] mca: base: components_open: component singleton open
function successful
[pcp-j-17:02150] mca: base: components_open: found loaded component tool
[pcp-j-17:02150] mca: base: components_open: component tool open function
successful
[pcp-j-17:02150] mca:base:select: Auto-selecting ess components
[pcp-j-17:02150] mca:base:select:( ess) Querying component [env]
[pcp-j-17:02150] mca:base:select:( ess) Skipping component [env]. Query
failed to return a module
[pcp-j-17:02150] mca:base:select:( ess) Querying component [hnp]
[pcp-j-17:02150] mca:base:select:( ess) Query of component [hnp] set
priority to 100
[pcp-j-17:02150] mca:base:select:( ess) Querying component [singleton]
[pcp-j-17:02150] mca:base:select:( ess) Skipping component [singleton].
Query failed to return a module
[pcp-j-17:02150] mca:base:select:( ess) Querying component [tool]
[pcp-j-17:02150] mca:base:select:( ess) Skipping component [tool]. Query
failed to return a module
[pcp-j-17:02150] mca:base:select:( ess) Selected component [hnp]
[pcp-j-17:02150] mca: base: close: component env closed
[pcp-j-17:02150] mca: base: close: unloading component env
[pcp-j-17:02150] mca: base: close: component singleton closed
[pcp-j-17:02150] mca: base: close: unloading component singleton
[pcp-j-17:02150] mca: base: close: component tool closed
[pcp-j-17:02150] mca: base: close: unloading component tool
[pcp-j-17:02150] [[INVALID],INVALID] Topology Info:
[pcp-j-17:02150] Type: Machine Number of child objects: 2
        Name=NULL
        Backend=NetBSD
        OSName=NetBSD
        OSRelease=6.1
        OSVersion="NetBSD 6.1 (CUSTOM) #0: Fri Sep 20 13:19:58 PDT 2013
phargrov_at_pcp-j-17:/home/phargrov/CUSTOM"
        Architecture=i386
        Backend=x86
        Cpuset: 0x00000003
        Online: 0x00000003
        Allowed: 0x00000003
        Bind CPU proc: TRUE
        Bind CPU thread: TRUE
        Bind MEM proc: FALSE
        Bind MEM thread: FALSE
        Type: PU Number of child objects: 0
                Name=NULL
                Cpuset: 0x00000001
                Online: 0x00000001
                Allowed: 0x00000001
        Type: PU Number of child objects: 0
                Name=NULL
                Cpuset: 0x00000002
                Online: 0x00000002
                Allowed: 0x00000002
--------------------------------------------------------------------------
While computing bindings, we found no available cpus on
the following node:

  Node: pcp-j-17

Please check your allocation.
--------------------------------------------------------------------------
[pcp-j-17:02150] mca: base: close: component hnp closed
[pcp-j-17:02150] mca: base: close: unloading component hnp

On Wed, Jan 8, 2014 at 8:50 PM, Ralph Castain <rhc_at_[hidden]> wrote:

> Hmmm...looks to me like the code should protect against this - unless the
> system isn't correctly reporting binding support. Could you run this with
> "-mca ess_base_verbose 10"? This will output the topology we found,
> including the binding support (which isn't in the usual output).
>
> On Jan 8, 2014, at 8:14 PM, Ralph Castain <rhc_at_[hidden]> wrote:
>
> Hmmm...I see the problem. Looks like binding isn't supported on that
> system for some reason, so we need to turn "off" our auto-binding when we
> hit that condition. I'll check to see why that isn't happening (was
> supposed to do so)
>
>
> On Jan 8, 2014, at 3:43 PM, Paul Hargrove <phhargrove_at_[hidden]> wrote:
>
> While I have yet to get a working build on NetBSD for x86-64 h/w, I *have*
> successfully built Open MPI's current 1.7.4rc tarball on NetBSD-6 for x86.
> However, I can't *run* anything:
>
> Attempting the ring_c example on 2 cores:
> -bash-4.2$ mpirun -mca btl sm,self -np 2 examples/ring_c
> --------------------------------------------------------------------------
> While computing bindings, we found no available cpus on
> the following node:
>
> Node: pcp-j-17
>
> Please check your allocation.
> --------------------------------------------------------------------------
>
> The failure is the same w/o "-mca btl sm,self"
> Singleton runs fail just as the np=2 run did.
>
> I've attached compressed output from "ompi_info --all".
>
> Since this is probably an hwloc-related issue, I also build hwloc-1.7.2
> from pristine sources.
> I have attached compressed output of lstopo which NOTABLY indicates a
> failure to bind to both of the CPUs.
>
> For now, an explicit "--bind-to none" is working for me.
> Please let me know what additional info may be required.
>
> -Paul
>
> --
> Paul H. Hargrove PHHargrove_at_[hidden]
> Future Technologies Group
> Computer and Data Sciences Department Tel: +1-510-495-2352
> Lawrence Berkeley National Laboratory Fax: +1-510-486-6900
> <ompi_info-netbsd-x86.txt.bz2><lstopo172-netbsd-x86.txt.bz2>
> _______________________________________________
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>
>
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-- 
Paul H. Hargrove                          PHHargrove_at_[hidden]
Future Technologies Group
Computer and Data Sciences Department     Tel: +1-510-495-2352
Lawrence Berkeley National Laboratory     Fax: +1-510-486-6900