[mpich-discuss] launcher manual and invalid pointer

[bruno.guerraz at orange.com]

Hi,
I am trying to launch an application using mpi on top of apache Yarn.
I am using the trick described in this old post https://lists.mpich.org/mailman/htdig/devel/2016-July/000717.html.

When I try it outside Yarn, all works fine, but inside Yarn I have an issue in mpiexec : "munmap_chunk(): invalid pointer"
I cannot reproduce the bug outside of yarn. I have try with the release 3.4a2 of hydra, but I still have the bug.
Here is the backtrace I got from the core dump (on the 3.4a2 release).

#1  0x00007f0811d88801 in __GI_abort () at abort.c:79
#2  0x00007f0811dd1897 in __libc_message (action=action at entry=do_abort, fmt=fmt at entry=0x7f0811efeb9a "%s\n") at ../sysdeps/posix/libc_fatal.c:181
#3  0x00007f0811dd890a in malloc_printerr (str=str at entry=0x7f0811f007a8 "munmap_chunk(): invalid pointer") at malloc.c:5350
#4  0x00007f0811ddfecc in munmap_chunk (p=0x7fffbcc9a8cc) at malloc.c:2846
#5  __GI___libc_free (mem=mem at entry=0x7fffbcc9a8dc) at malloc.c:3117
#6  0x000055ad7edca224 in HYDU_find_in_path (execname=execname at entry=0x7fffbcc9a8ab "mpiexec", path=0x55ad7f0b3990 <HYD_server_info+144>) at utils/args/args.c:108
#7  0x000055ad7edb1c48 in HYD_uii_mpx_get_parameters (t_argv=<optimized out>) at ui/mpich/utils.c:1751
#8  0x000055ad7edaa9d6 in main (argc=<optimized out>, argv=0x7fffbcc99d68) at ui/mpich/mpiexec.c:147

Any help would be greatly appreciated

Bruno

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