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Subject: Re: [OMPI devel] segv in ompi_info
From: Mike Dubman (miked_at_[hidden])
Date: 2014-07-09 06:33:40


mxm only intercept signals and prints the stacktrace.
happens on trunk as well.
only when "| less" is used.

On Tue, Jul 8, 2014 at 4:50 PM, Jeff Squyres (jsquyres) <jsquyres_at_[hidden]>
wrote:

> I'm unable to replicate. Please provide more detail...? Is this a
> problem in the MXM component?
>
> On Jul 8, 2014, at 9:20 AM, Mike Dubman <miked_at_[hidden]> wrote:
>
> >
> >
> > $/usr/mpi/gcc/openmpi-1.8.2a1/bin/ompi_info -a -l 9|less
> > Caught signal 13 (Broken pipe)
> > ==== backtrace ====
> > 2 0x0000000000054cac mxm_handle_error()
> /var/tmp/OFED_topdir/BUILD/mxm-3.2.2883/src/mxm/util/debug/debug.c:653
> > 3 0x0000000000054e74 mxm_error_signal_handler()
> /var/tmp/OFED_topdir/BUILD/mxm-3.2.2883/src/mxm/util/debug/debug.c:628
> > 4 0x00000033fbe32920 killpg() ??:0
> > 5 0x00000033fbedb650 __write_nocancel() interp.c:0
> > 6 0x00000033fbe71d53 _IO_file_write@@GLIBC_2.2.5() ??:0
> > 7 0x00000033fbe73305 _IO_do_write@@GLIBC_2.2.5() ??:0
> > 8 0x00000033fbe719cd _IO_file_xsputn@@GLIBC_2.2.5() ??:0
> > 9 0x00000033fbe48410 _IO_vfprintf() ??:0
> > 10 0x00000033fbe4f40a printf() ??:0
> > 11 0x000000000002bc84 opal_info_out()
> /var/tmp/OFED_topdir/BUILD/openmpi-1.8.2a1/opal/runtime/opal_info_support.c:853
> > 12 0x000000000002c6bb opal_info_show_mca_group_params()
> /var/tmp/OFED_topdir/BUILD/openmpi-1.8.2a1/opal/runtime/opal_info_support.c:658
> > 13 0x000000000002c882 opal_info_show_mca_group_params()
> /var/tmp/OFED_topdir/BUILD/openmpi-1.8.2a1/opal/runtime/opal_info_support.c:716
> > 14 0x000000000002cc13 opal_info_show_mca_params()
> /var/tmp/OFED_topdir/BUILD/openmpi-1.8.2a1/opal/runtime/opal_info_support.c:742
> > 15 0x000000000002d074 opal_info_do_params()
> /var/tmp/OFED_topdir/BUILD/openmpi-1.8.2a1/opal/runtime/opal_info_support.c:485
> > 16 0x000000000040167b main() ??:0
> > 17 0x00000033fbe1ecdd __libc_start_main() ??:0
> > 18 0x0000000000401349 _start() ??:0
> > ===================
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>
> --
> Jeff Squyres
> jsquyres_at_[hidden]
> For corporate legal information go to:
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