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Subject: Re: [OMPI users] OpenMPI 1.3.2 with PathScale 3.2
From: Åke Sandgren (ake.sandgren_at_[hidden])
Date: 2009-05-14 16:49:57


On Thu, 2009-05-14 at 13:35 -0700, Joshua Bernstein wrote:
> Greetings All,
>
> I'm trying to build OpenMPI 1.3.2 with the Pathscale compiler, version 3.2. A
> bit of the way through the build the compiler dies with what it things is a bad
> optimization. Has anybody else seen this, or know a work around for it? I'm
> going to take it up with Pathscale of course, but I thought I'd throw it out here:
>
> ---SNIP---
> /opt/pathscale/bin/pathCC -DHAVE_CONFIG_H -I. -I../.. -I../../extlib/otf/otflib
> -I../../extlib/otf/otflib -I../../vtlib/ -I../../vtlib -D_GNU_SOURCE -mp
> -DVT_OMP -O3 -DNDEBUG -finline-functions -pthread -MT vtfilter-vt_tracefilter.o
> -MD -MP -MF .deps/vtfilter-vt_tracefilter.Tpo -c -o vtfilter-vt_tracefilter.o
> `test -f 'vt_tracefilter.cc' || echo './'`vt_tracefilter.cc
> Signal: Segmentation fault in Global Optimization -- Dead Store Elimination phase.
> Error: Signal Segmentation fault in phase Global Optimization -- Dead Store
> Elimination -- processing aborted
> *** Internal stack backtrace:
> pathCC INTERNAL ERROR: /opt/pathscale/lib/3.2/be died due to signal 4

Haven't seen it. But I'm only using -O2 when building openmpi.
Report it quickly, if we're lucky they might get a fix into the 3.3
release that is due out very soon. (I just got the beta yesterday)

-- 
Ake Sandgren, HPC2N, Umea University, S-90187 Umea, Sweden
Internet: ake_at_[hidden]   Phone: +46 90 7866134 Fax: +46 90 7866126
Mobile: +46 70 7716134 WWW: http://www.hpc2n.umu.se