[mpich2-dev] understanding hydra

[John Marshall]

Hi,

Sorry. It looks like the arguments were not being handled properly by rurun.
Further tests are in order.

John

On 11/03/2012 08:27 AM, John Marshall wrote:
> Hi,
>
> I am trying to use hydra with a non-standard launcher (but setting
> HYDRA_LAUNCHER=rsh) and am getting the following message:
>
>     Launch arguments: /users/jdm/bin/rurun 0 "/users/jdm/ssm/hydra_1.5_ubuntu-10.04-amd64-64/bin/hydra_pmi_proxy"
>     --control-port mel-fe01:44887 --debug --rmk user --launcher rsh --launcher-exec /users/jdm/bin/rurun --demux poll --pgid 0
>     --retries 10 --usize -2 --proxy-id 0
>     *argv ((null))
>     [proxy:unset at mel-fe01] HYD_pmcd_pmip_get_params (./pm/pmiserv/pmip_utils.c:704): server name not available
>     [proxy:unset at mel-fe01] main (./pm/pmiserv/pmip.c:173): bad parameters passed to the proxy
>
> I called:
>
>     mpirun -verbose -hosts 0 -disable-hostname-propagation whoami
>
> where 0 is an index into a lookup table that rurun knows about
> and that I don't want mpirun to deal with. I expected that
> -disable-hostname-propagation would defer getting hostname
> information until the process was launched on the target
> node and so using "0" would pose no problem.
>
> I looked through the code to try to figure out what is happening
> but it is currently non-obvious. Can anyone give me a pointer
> on where I might look so as to debug my problem?
>
> Thanks,
> John

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mcs.anl.gov/pipermail/mpich2-dev/attachments/20121103/3e0c1625/attachment.html>