We have had some luck using syslog (on Linux) instead of stderr.
/jr
---
Adams Samuel D Contr AFRL/HEDR wrote:
> I am wondering if you guys know how to get unbufferd io to work. I am
> working on one of our MPI programs, and I am now getting a segmentation
> fault. I am trying to track down the guilty code with write(0,*)
> statements which should go to stderr, but the output looks like that it
> is still being buffered. I presume that the MPI is doing the buffering
> and when the segmentation fault happens, the MPI stuff still hasn't
> flushed the buffer. Do you know of any way to manually flush the MPI
> buffer, or a better way to track down the bug?
>
>
>
> /*/Sam Adams/*/
>
> General Dynamics - Network Systems
>
> Phone: 210.536.5945
>
>
>
>
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