[mvapich-discuss] mpirun_rsh does not work with newer linux kernels

[Jonathan Perkins]

Thank you for providing the patch.  We've reviewed, tested and applied
your patch to trunk as well as the 1.1 branch.

We already have made a similar change for binding to AF_INET in
mvapich2 and have now added the shell redirection portion.

If possible, we encourage you to try mvapich2 as it is being actively
developed and contains features that are not available in mvapich1.

On Wed, Feb 15, 2012 at 3:19 AM, PHILIPP, Axel, Dr. <axel.philipp at mtu.de> wrote:
> After upgrading to kernel 2.6.32.49-0.3-default (SLES11 SP1) mpirun_rsh
> and mpispawn fail with bind errors.
> Another problem arises with killing the remote processes because now rsh
> and ssh use the user's shell instead of /bin/sh to execute commands.
> Therefor the bash only syntax fails if the user's shell is ksh.
> The following patches (applied to package mvapich-1.2.0-3635) resolve
> both problems:
>
> --- mpispawn.c.ori      2010-01-28 16:00:51.000000000 +0100
> +++ mpispawn.c  2012-02-14 17:15:29.802596012 +0100
> @@ -380,6 +380,7 @@
>     }
>
>     mc_sockaddr.sin_addr.s_addr = INADDR_ANY;
> +    mc_sockaddr.sin_family = AF_INET;
>     mc_sockaddr.sin_port = 0;
>
>     if(bind(*mc_socket, (struct sockaddr *)&mc_sockaddr,
> mc_sockaddr_len) < 0) { @@ -461,6 +462,7 @@
>         exit (EXIT_FAILURE);
>     }
>     c_sockaddr.sin_addr.s_addr = INADDR_ANY;
> +    c_sockaddr.sin_family = AF_INET;
>     c_sockaddr.sin_port = 0;
>
>     if (bind (c_socket, (struct sockaddr *) &c_sockaddr, sockaddr_len)
> < 0) {
>
>
>
> --- mpirun_rsh.c.ori    2010-01-28 16:00:51.000000000 +0100
> +++ mpirun_rsh.c        2012-02-14 17:08:59.074910138 +0100
> @@ -488,6 +488,7 @@
>        exit(EXIT_FAILURE);
>     }
>     sockaddr.sin_addr.s_addr = INADDR_ANY;
> +    sockaddr.sin_family = AF_INET;
>     sockaddr.sin_port = 0;
>     if (bind(s, (struct sockaddr *) &sockaddr, sockaddr_len) < 0) {
>        perror("bind");
> @@ -1484,7 +1485,7 @@
>                    strcat(kill_cmd, tmp);
>                }
>
> -               strcat(kill_cmd, " >&/dev/null");
> +               strcat(kill_cmd, " >/dev/null 2>&1");
>
>                if(use_rsh) {
>                    execl(RSH_CMD, RSH_CMD, pg->hostname, kill_cmd,
> NULL); @@ -1554,7 +1555,7 @@
>
>            if(!plist[i].remote_pid) exit(EXIT_SUCCESS);
>
> -           snprintf(kill_cmd, 80, "kill -s 9 %d >&/dev/null",
> +           snprintf(kill_cmd, 80, "kill -s 9 %d >/dev/null 2>&1",
>                plist[i].remote_pid);
>
>            if(use_rsh) {
>
>
> Mit freundlichen Gruessen / Best Regards
>
> Axel PHILIPP   Geb. 044/557
> Dr. rer. nat., Dipl. Phys.
>
> MTU Aero Engines GmbH
> Informationswirtschaft/Entwicklungssysteme (FIE)
> Information Management/Engineering Systems (FIE)
> Dachauer Str. 665
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>
> Tel  +49 (0)89 1489-4715
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> mailto:Axel.Philipp at mtu.de
>
>
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-- 
Jonathan Perkins
http://www.cse.ohio-state.edu/~perkinjo