[mpich-discuss] mpdboot hangs, but ...
Benjamin Svetitsky
bqs at julian.tau.ac.il
Sun Dec 6 09:19:40 CST 2009
If I run mpdboot as a regular user then it hangs WITHOUT starting up the
daemons. -Ben
Rajeev Thakur wrote:
> Are you running as root? Can you try running it as regular user first?
>
> Rajeev
>
>> -----Original Message-----
>> From: mpich-discuss-bounces at mcs.anl.gov
>> [mailto:mpich-discuss-bounces at mcs.anl.gov] On Behalf Of
>> Benjamin Svetitsky
>> Sent: Sunday, December 06, 2009 8:02 AM
>> To: mpich-discuss at mcs.anl.gov
>> Subject: Re: [mpich-discuss] mpdboot hangs, but ...
>>
>> Hi Dave,
>>
>> Thanks for the quick work. But the problem is still there.
>> I downloaded the file and put it where you said; then I did:
>> configure
>> make
>> make install
>> and verified that the new copy of mpd.py is in /usr/local/bin. But
>> mpdboot -n 4 -f /root/mpd.hosts
>> still doesn't exit after starting up the daemons.
>>
>> -Ben
>>
>> Dave Goodell wrote:
>>> This has been fixed in the trunk. Anyone who needs a fix
>> in the short
>>> term should be able to download the following copy of
>> mpd.py and drop
>>> it into src/pm/mpd/ in their MPICH2 source tree (and then
>> re-install MPICH2):
>>>
>> https://trac.mcs.anl.gov/projects/mpich2/export/5923/mpich2/trunk/src/
>>> pm/mpd/mpd.py
>>>
>>>
>>> -Dave
>>>
>>> On Dec 4, 2009, at 9:28 AM, Dave Goodell wrote:
>>>
>>>> Hi Ben,
>>>>
>>>> This looks very similar to ticket #963:
>>>> https://trac.mcs.anl.gov/projects/mpich2/ticket/963
>>>>
>>>> Please feel free to add yourself to the CC list if you
>> would like to
>>>> receive progress updates. Thanks for letting us know that you are
>>>> having trouble.
>>>>
>>>> Thinking about it this morning, I just had an idea of what
>> might be
>>>> going on. I'll spend some time on it today and see if I
>> can reproduce
>>>> it and work up a fix.
>>>>
>>>> In the mean time, you can either use the hydra process
>> manager (built
>>>> by default as "mpiexec.hydra") or copy the mpd.py script
>> from 1.1.1p1
>>>> as a workaround.
>>>>
>>>> -Dave
>>>>
>>>> On Dec 4, 2009, at 5:38 AM, Benjamin Svetitsky wrote:
>>>>
>>>>> Hello everybody,
>>>>>
>>>>> I just upgraded from mpich2-1.0.8 to mpich2-1.2.1. When I run
>>>>>
>>>>> mpdboot -n 4 -f /root/mpd.hosts
>>>>>
>>>>> as root, the command just hangs until I hit ^C. Nonetheless, it
>>>>> starts the daemons successfully and I can run MPI jobs as
>> usual (so
>>>>> far). A subsequent mpdallexit kills the saemons without complaint
>>>>>
>>>>> Details:
>>>>>
>>>>> I am running four Intel quad-cores under CentOS:
>>>>> Linux version 2.6.18-164.6.1.el5.centos.plus The file
>>>>> /root/mpd.hosts contains:
>>>>> --
>>>>> nodeA
>>>>> nodeB
>>>>> nodeC
>>>>> nodeD
>>>>> --
>>>>> and I executed mpdboot on nodeC.
>>>>> I compiled the MPICH2 source without any config options.
>>>>> After mpdboot hangs for several minutes and I hit ^C, it responds:
>>>>> --
>>>>> Traceback (most recent call last):
>>>>> File "/usr/local/bin/mpdboot", line 476, in ?
>>>>> mpdboot()
>>>>> File "/usr/local/bin/mpdboot", line 347, in mpdboot
>>>>> handle_mpd_output(fd,fd2idx,hostsAndInfo)
>>>>> File "/usr/local/bin/mpdboot", line 385, in handle_mpd_output
>>>>> for line in fd.readlines(): # handle output from shells that
>>>>> echo stuff
>>>>> KeyboardInterrupt
>>>>> --
>>>>> which may be irrelevant.
>>>>>
>>>>> Thanks,
>>>>> Ben
>>>>> --
>>>>> Prof. Benjamin Svetitsky Phone: +972-3-640 8870
>>>>> School of Physics and Astronomy Fax: +972-3-640 7932
>>>>> Tel Aviv University E-mail: bqs at julian.tau.ac.il
>>>>> 69978 Tel Aviv, Israel WWW: http://julian.tau.ac.il/~bqs
>>>>> _______________________________________________
>>>>> mpich-discuss mailing list
>>>>> mpich-discuss at mcs.anl.gov
>>>>> https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss
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>> --
>> Prof. Benjamin Svetitsky Phone: +972-3-640 8870
>> School of Physics and Astronomy Fax: +972-3-640 7932
>> Tel Aviv University E-mail: bqs at julian.tau.ac.il
>> 69978 Tel Aviv, Israel WWW: http://julian.tau.ac.il/~bqs
>> _______________________________________________
>> mpich-discuss mailing list
>> mpich-discuss at mcs.anl.gov
>> https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss
>>
>
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--
Prof. Benjamin Svetitsky Phone: +972-3-640 8870
School of Physics and Astronomy Fax: +972-3-640 7932
Tel Aviv University E-mail: bqs at julian.tau.ac.il
69978 Tel Aviv, Israel WWW: http://julian.tau.ac.il/~bqs
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