[Darshan-users] Darshan-users Digest, Vol 43, Issue 2

[Phil Carns]

Hi Rajesh,

I'm not familiar with those specific errors, but does this mean that the 
jobs did not exit cleanly?  If so, that may be part of the problem.  
Darshan will not write a log file unless all processes call MPI_Finalize().

thanks,
-Phil

On 03/13/2015 02:32 PM, Rajesh Kumar S R wrote:
> Hello Phil,
>         Yes, we found following errors in the log file.
>
>   * [mpiexec at bv010.local] HYDU_sock_write (utils/sock/sock.c:286):
>     write error (Bad file descriptor)
>     [mpiexec at bv010.local] HYD_pmcd_pmiserv_send_signal
>     (pm/pmiserv/pmiserv_cb.c:169): unable to write data to proxy
>     [mpiexec at bv010.local] ui_cmd_cb (pm/pmiserv/pmiserv_pmci.c:79):
>     unable to send signal downstream
>     [mpiexec at bv010.local] HYDT_dmxu_poll_wait_for_event
>     (tools/demux/demux_poll.c:76): callback returned error status
>     [mpiexec at bv010.local] HYDT_bscu_wait_for_completion
>     (tools/bootstrap/utils/bscu_wait.c:61): error waiting for event
>     [mpiexec at bv010.local] HYDT_bsci_wait_for_completion
>     (tools/bootstrap/src/bsci_wait.c:23): launcher returned error
>     waiting for completion
>     [mpiexec at bv010.local] HYD_pmci_wait_for_completion
>     (pm/pmiserv/pmiserv_pmci.c:218): launcher returned error waiting
>     for completion
>     [mpiexec at bv010.local] main (ui/mpich/mpiexec.c:344): process
>     manager error waiting for completion
>
> Thanks,
> Rajesh.
>
> On March 12, 2015 at 10:30 PM darshan-users-request at lists.mcs.anl.gov 
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> > 1. Re: No Log Files Generated - Reg. (Phil Carns)
> >
> >
> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Thu, 12 Mar 2015 10:57:00 -0400
> > From: Phil Carns <carns at mcs.anl.gov>
> > To: <darshan-users at lists.mcs.anl.gov>
> > Subject: Re: [Darshan-users] No Log Files Generated - Reg.
> > Message-ID: <5501A93C.2010607 at mcs.anl.gov>
> > Content-Type: text/plain; charset="windows-1252"; format=flowed
> >
> > Hi Rajesh,
> >
> > Are you aware of any environment changes for those applications, like a
> > new version of MPI?
> >
> > Also, are any error messages produced?
> >
> > thanks,
> > -Phil
> >
> > On 03/12/2015 07:46 AM, SR Rajesh Kumar wrote:
> > > Hello !
> > >
> > > We are analyzing workloads of molecular dynamics codes like
> > > gromacs, amber etc. We were successful in getting logs of them. But
> > > same jobs which generated logs are not generating logs now. We are
> > > using DARSHAN_LOG environment variable exported in the pbs script 
> along
> > > with LD_PRELOAD. For some applications there are no logs generated,
> > > though they are dynamically linked mpi applications. Have a look, 
> pls.
> > >
> > > Cheers,
> > > Rajesh.
> > >
> > > 
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