[mpich-discuss] mpdboot error message
Dave Goodell
goodell at mcs.anl.gov
Fri Jan 15 13:36:56 CST 2010
I suspect you are hitting this bug: https://trac.mcs.anl.gov/projects/mpich2/ticket/974
"mpdboot" is normally issued as a foreground command, not in the
background. It should exit immediately after setting up the ring. If
your mpdboot is hanging then that is the real bug. My access to some
CentOS machines to reproduce/fix always seems to be a few days away,
so I haven't been able to fix it yet.
In the meantime, my recommendation is to use hydra unless you need one
of the very few mpd-specific features that still exist:
http://wiki.mcs.anl.gov/mpich2/index.php/Using_the_Hydra_Process_Manager
Out of curiosity, what operating system are you using? CentOS/RHEL?
-Dave
On Jan 15, 2010, at 11:02 AM, Cezary Śliwa wrote:
>
> Hello,
>
> mpdboot in mpich2-1.2.1 displays an error message when mpdallexit is
> used:
>
> sl2klast2-n5 ~$ mpdboot -v -n 2 &
> [1] 6793
> sl2klast2-n5 ~$ running mpdallexit on sl2klast2-n5
> LAUNCHED mpd on sl2klast2-n5 via
> RUNNING: mpd on sl2klast2-n5
> LAUNCHED mpd on sl2klast2-n6 via sl2klast2-n5
>
> sl2klast2-n5 ~$ mpdallexit
> sl2klast2-n5 ~$ mpdboot_sl2klast2-n5 (handle_mpd_output 415): failed
> to connect to mpd on sl2klast2-n6
>
> [1]+ Exit 255 mpdboot -v -n 2
> sl2klast2-n5 ~$ cat mpd.hosts
> sl2klast2-n5:4
> sl2klast2-n6:4
>
>
> Cezary Sliwa
>
>
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