[mvapich-discuss] viacheck.c error

[Scott Weitzenkamp (sweitzen)]

System() is supported in OFED 1.2 for use by MPI programs, but you need to have a recent kernel (not sure the exact version but 2.6.12 comes to mind), so for example RHEL4 won't work.

Scott Weitzenkamp
SQA and Release Manager
Server Virtualization Business Unit
Cisco Systems
 

> -----Original Message-----
> From: mvapich-discuss-bounces at cse.ohio-state.edu 
> [mailto:mvapich-discuss-bounces at cse.ohio-state.edu] On Behalf 
> Of Sayantan Sur
> Sent: Thursday, April 19, 2007 11:58 AM
> To: Acero Fernandez Alicia
> Cc: mvapich-discuss at cse.ohio-state.edu
> Subject: Re: [mvapich-discuss] viacheck.c error
> 
> Hello Alicia,
> 
> Thanks for reporting the error. As you said, the error appears after 
> calling "system" from within an MPI program. The "system" 
> call involves 
> an internal call to fork(). As of OFED-1.1, fork() is *not* 
> supported by 
> the underlying InfiniBand libraries. I believe OFED-1.2 will 
> support fork().
> 
> Thanks,
> Sayantan.
> 
> Acero Fernandez Alicia wrote:
> >
> > Hello,
> >
> > I have install OFED-1.1 and mvapich-0.9.7 and one MPI application 
> > shows the following error when I execute it. It happens 
> when I include 
> > a call system in the fortran code. I need some help. Could 
> anyone help me?
> >
> >  
> >
> >                [1] Abort: [lince12.ciemat.es:1] Got completion with 
> > error, code=4,
> >
> >                 > dest rank=2 at line 377 in file viacheck.c
> >
> >                 > mpirun_rsh: Abort signaled from [1]
> >
> >                 > CPUTime (( 3 )) 1.694743
> >
> >                 > [3] Abort: [lince12.ciemat.es:3] Got 
> completion with 
> > error, code=4,
> >
> >                 > dest rank=0 at line 377 in file viacheck.c
> >
> >                 > 4 3 7.8580165E-10 5
> >
> >                 > 4 4 1.4556810E-10 7
> >
> >                 > CPUTime (( 0 )) 1.691743
> >
> >                 > [2] Abort: [lince12.ciemat.es:2] Got 
> completion with 
> > error, code=4,
> >
> >                 > dest rank=3 at line 377 in file 
> viacheck.c [0] Abort:
> >
> >                 > [lince12.ciemat.es:0] Got completion with error, 
> > code=4, dest rank=1
> >
> >                 > at line 377 in file viacheck.c
> >
> >  
> >
> > Regards
> >
> > Alicia
> >
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