Thanks, Neeraj singh.

To confirm, you always have this error with the profiler, but intermittent without profiler? When the error shows up, does the error show up at the beginning of the application, middle of the application, or near the end of the application?

-- 
Hui Zhou

From: Neeraj singh <neeraj844singh@gmail.com>
Date: Friday, October 9, 2020 at 9:22 AM
To: "Zhou, Hui" <zhouh@anl.gov>
Cc: "discuss@mpich.org" <discuss@mpich.org>
Subject: Re: [mpich-discuss] Regarding issue with MPICH 3.2

Yes, but sometimes without profiler also, I am also facing this issue with some applications also.

Thanks and regards

On Fri, Oct 9, 2020 at 7:27 PM Zhou, Hui <zhouh@anl.gov> wrote:

Hi Neeraj singh,

To clarify, does this error only happen when you try to use the profiler tool?

-- 
Hui Zhou

From: Neeraj singh via discuss <discuss@mpich.org>
Reply-To: "discuss@mpich.org" <discuss@mpich.org>
Date: Friday, October 9, 2020 at 8:41 AM
To: "discuss@mpich.org" <discuss@mpich.org>
Cc: Neeraj singh <neeraj844singh@gmail.com>
Subject: [mpich-discuss] Regarding issue with MPICH 3.2

I am using the MAQAO profiler tool to collect data based on sampling. While launching an application for multinode some issues I'm facing.

Kindly check the attached problem lines and clarify the same.

Thanks & Regards

Problem lines:

[mpiexec@gpu7] HYDU_sock_write (utils/sock/sock.c:294): write error (Bad file descriptor)
[mpiexec@gpu7] HYD_pmcd_pmiserv_send_signal (pm/pmiserv/pmiserv_cb.c:177): unable to write data to proxy
[mpiexec@gpu7] ui_cmd_cb (pm/pmiserv/pmiserv_pmci.c:79): unable to send signal downstream
[mpiexec@gpu7] HYDT_dmxu_poll_wait_for_event (tools/demux/demux_poll.c:76): callback returned error status
[mpiexec@gpu7] HYD_pmci_wait_for_completion (pm/pmiserv/pmiserv_pmci.c:198): error waiting for event
[mpiexec@gpu7] main (ui/mpich/mpiexec.c:340): process manager error waiting for completion