Hardware Locality Development Mailing List Archives

Subject: Re: [hwloc-devel] hwloc-1.3.1 assertion failures on Linux/POWER7
From: Paul H. Hargrove (PHHargrove_at_[hidden])
Date: 2012-01-31 21:59:54

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• In reply to: Christopher Samuel: "Re: [hwloc-devel] hwloc-1.3.1 assertion failures on Linux/POWER7"
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I accidentally under-reported the failures I saw w/ xlc.
In addition to the 2 assertion failures, I had the following SEGV's from
1.3.1:

/bin/sh: line 5: 6644 Segmentation fault ${dir}$tst
FAIL: hwloc_bind

/bin/sh: line 5: 6676 Segmentation fault ${dir}$tst
FAIL: hwloc_get_last_cpu_location

/bin/sh: line 5: 6768 Segmentation fault ${dir}$tst
FAIL: hwloc_is_thissystem

Which matches Chris's report.
I think the assertion failure w/ 1.3.1 and gcc is an entirely different
problem.

-Paul

On 1/31/2012 6:49 PM, Christopher Samuel wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> On 01/02/12 12:56, Paul H. Hargrove wrote:
>
>> When running "make check" in hwloc-1.3.1 on a Linux/POWER7 system I see:
> Doesn't seem to happen on Power6 (SLES10SP4) with GCC for hwloc 1.3.1 or
> 1.4.
>
> With XLC and 1.3.1 and 1.4 I get plenty of warnings (compile logs for
> both attached) whilst compiling and then 4 failures in make check
> (accompanied with segmentation faults):
>
> samuel_at_tambo:~/HWLOC/hwloc-1.3.1> grep -B1 FAIL: log
> /bin/sh: line 1: 5267 Segmentation fault ${dir}$tst
> FAIL: hwloc_bind
> /bin/sh: line 1: 5285 Segmentation fault ${dir}$tst
> FAIL: hwloc_get_last_cpu_location
> - --
> /bin/sh: line 1: 5335 Segmentation fault ${dir}$tst
> FAIL: hwloc_is_thissystem
> - --
> /bin/sh: line 1: 5481 Segmentation fault ${dir}$tst
> FAIL: glibc-sched
>
>
> samuel_at_tambo:~/HWLOC/hwloc-1.4> grep -B1 FAIL: log
> /bin/sh: line 1: 16973 Segmentation fault ${dir}$tst
> FAIL: hwloc_bind
> /bin/sh: line 1: 16991 Segmentation fault ${dir}$tst
> FAIL: hwloc_get_last_cpu_location
> - --
> /bin/sh: line 1: 17073 Segmentation fault ${dir}$tst
> FAIL: hwloc_is_thissystem
> - --
> /bin/sh: line 1: 17229 Segmentation fault ${dir}$tst
> FAIL: glibc-sched
>
>
> cheers,
> Chris
> - --
> Christopher Samuel - Senior Systems Administrator
> VLSCI - Victorian Life Sciences Computation Initiative
> Email: samuel_at_[hidden] Phone: +61 (0)3 903 55545
> http://www.vlsci.unimelb.edu.au/
>
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-- 
Paul H. Hargrove                          PHHargrove_at_[hidden]
Future Technologies Group
HPC Research Department                   Tel: +1-510-495-2352
Lawrence Berkeley National Laboratory     Fax: +1-510-486-6900

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