I *believe* oob can now support virtual interfaces, but can't swear to it - 
only very lightly tested on my box.

I'll mark this in for resolving in 1.7.5


On Jan 10, 2014, at 1:55 PM, Paul Hargrove <phhargr...@lbl.gov> wrote:

> Ralph,
> 
> Since this turned out to be a matter of an unsupported system configuration, 
> it is my opinion that this doesn't need to be addressed for 1.7.4 if it would 
> cause any further delay.
> 
> Also, I noticed this system has lo and lo:0.
> I know the TCP BTL doesn't support virtual interfaces (trac ticket 3339).
> So, I mention it here in case oob:tcp has similar issues.
> 
> -Paul
> 
> 
> On Fri, Jan 10, 2014 at 1:02 PM, Ralph Castain <r...@open-mpi.org> wrote:
> 
> On Jan 10, 2014, at 12:59 PM, Paul Hargrove <phhargr...@lbl.gov> wrote:
> 
>> Ralph,
>> 
>> This is the front end of a production cluster at NERSC.
>> So, I would not be surprised if there is a fairly restrictive firewall 
>> configuration in place.
>> However, I could't find a way to query the configuration.
>> 
> 
> Aha - indeed, that is the problem.
> 
>> The verbose output with (only) "-mca oob_base_verbose 10" is attached.
>> 
>> On a hunch, I tried adding "-mca oob_tcp_if_include lo" and IT WORKS!
>> Is there some reason why the loopback interface is not being used 
>> automatically for the single-host case?
>> That would seem to be a straight-forward solution to this issue.
> 
> Yeah, we should do a better job of that - I'll take a look and see what can 
> be done in the near term.
> 
> Thanks!
> Ralph
> 
>> 
>> -Paul
>> 
>> 
>> On Fri, Jan 10, 2014 at 12:43 PM, Ralph Castain <r...@open-mpi.org> wrote:
>> Bingo - the proc can't send a message to the daemon to tell it "i'm alive 
>> and need my nidmap data". I suspect we'll find that your headnode isn't 
>> allowing us to open a socket for communication between two processes on it, 
>> and we don't have (yet) a pipe-like mechanism to replace it.
>> 
>> Can verify that by putting "-mca oob_base_verbose 10" on the cmd line - 
>> should see the oob indicate that it fails to make the connection back to the 
>> daemon
>> 
>> 
>> On Jan 10, 2014, at 12:33 PM, Paul Hargrove <phhargr...@lbl.gov> wrote:
>> 
>>> Ralph,
>>> 
>>> Configuring using a proper --with-tm=... I find that I *can* run a 
>>> singleton in an allocation ("qsub -I -l nodes=1 ....").
>>> The case of a singleton on the front end is still failing.
>>> 
>>> The verbose output using "-mca state_base_verbose 5 -mca plm_base_verbose 5 
>>> -mca odls_base_verbose 5" is attached.
>>> 
>>> -Paul
>>> 
>>> 
>>> On Fri, Jan 10, 2014 at 12:12 PM, Ralph Castain <r...@open-mpi.org> wrote:
>>> 
>>> On Jan 10, 2014, at 11:04 AM, Paul Hargrove <phhargr...@lbl.gov> wrote:
>>> 
>>>> On Fri, Jan 10, 2014 at 10:41 AM, Paul Hargrove <phhargr...@lbl.gov> wrote:
>>>> 
>>>> On Fri, Jan 10, 2014 at 10:08 AM, Ralph Castain <r...@open-mpi.org> wrote:
>>>> ??? that was it? Was this built with --enable-debug?
>>>> 
>>>> Nope, I missed --enable-debug.  Will try again.
>>>> 
>>>> 
>>>> OK, Take-2 below.
>>>> There is an obvious "recipient list is empty!" in the output.
>>> 
>>> That one is correct and expected - all it means is that you are running on 
>>> only one node, so mpirun doesn't need to relay messages to another daemon
>>> 
>>>> 
>>>> -Paul
>>>> 
>>>> $ mpirun -mca btl sm,self -np 2 -mca grpcomm_base_verbose 5 -mca 
>>>> orte_nidmap_verbose 10 examples/ring_c'
>>>> [cvrsvc01:21200] mca:base:select:(grpcomm) Querying component [bad]
>>>> [cvrsvc01:21200] mca:base:select:(grpcomm) Query of component [bad] set 
>>>> priority to 10
>>>> [cvrsvc01:21200] mca:base:select:(grpcomm) Selected component [bad]
>>>> [cvrsvc01:21200] [[45961,0],0] grpcomm:base:receive start comm
>>>> [cvrsvc01:21200] [[45961,0],0] orte:util:encode_nidmap
>>>> [cvrsvc01:21200] [[45961,0],0] grpcomm:bad:xcast sent to job [45961,0] tag 
>>>> 1
>>>> [cvrsvc01:21200] [[45961,0],0] grpcomm:xcast:recv: with 1135 bytes
>>>> [cvrsvc01:21200] [[45961,0],0] orte:daemon:send_relay - recipient list is 
>>>> empty!
>>>> [cvrsvc01:21200] [[45961,0],0] orte:util:encode_nidmap
>>>> [cvrsvc01:21200] [[45961,0],0] orte:util:build:daemon:nidmap packed 55 
>>>> bytes
>>>> [cvrsvc01:21200] [[45961,0],0] PROGRESSING COLL id 0
>>>> [cvrsvc01:21200] [[45961,0],0] ALL LOCAL PROCS FOR JOB [45961,1] 
>>>> CONTRIBUTE 2
>>>> [cvrsvc01:21200] [[45961,0],0] PROGRESSING COLL id 1
>>>> [cvrsvc01:21200] [[45961,0],0] ALL LOCAL PROCS FOR JOB [45961,1] 
>>>> CONTRIBUTE 2
>>>> [cvrsvc01:21200] [[45961,0],0] PROGRESSING COLL id 2
>>>> [cvrsvc01:21200] [[45961,0],0] ALL LOCAL PROCS FOR JOB [45961,1] 
>>>> CONTRIBUTE 2
>>>> [cvrsvc01:21202] mca:base:select:(grpcomm) Querying component [bad]
>>>> [cvrsvc01:21202] mca:base:select:(grpcomm) Query of component [bad] set 
>>>> priority to 10
>>>> [cvrsvc01:21202] mca:base:select:(grpcomm) Selected component [bad]
>>>> [cvrsvc01:21202] [[45961,1],0] grpcomm:base:receive start comm
>>>> [cvrsvc01:21202] [[45961,1],0] ORTE_ERROR_LOG: Data for specified key not 
>>>> found in file 
>>>> /global/homes/h/hargrove/GSCRATCH/OMPI/openmpi-trunk-linux-x86_64-gcc/openmpi-1.9a1r30215/orte/runtime/orte_globals.c
>>>>  at line 503
>>>> [cvrsvc01:21203] mca:base:select:(grpcomm) Querying component [bad]
>>>> [cvrsvc01:21203] mca:base:select:(grpcomm) Query of component [bad] set 
>>>> priority to 10
>>>> [cvrsvc01:21203] mca:base:select:(grpcomm) Selected component [bad]
>>>> [cvrsvc01:21203] [[45961,1],1] grpcomm:base:receive start comm
>>>> [cvrsvc01:21203] [[45961,1],1] ORTE_ERROR_LOG: Data for specified key not 
>>>> found in file 
>>>> /global/homes/h/hargrove/GSCRATCH/OMPI/openmpi-trunk-linux-x86_64-gcc/openmpi-1.9a1r30215/orte/runtime/orte_globals.c
>>>>  at line 503
>>> 
>>> 
>>> This is very weird - it appears that your procs are looking for hostname 
>>> data prior to receiving the necessary data. Let's try jacking up the debug, 
>>> I guess - add "-mca state_base_verbose 5 -mca plm_base_verbose 5 -mca 
>>> odls_base_verbose 5"
>>> 
>>> Sorry that will be rather wordy, but I don't understand the ordering you 
>>> show above. It's like your procs are skipping a bunch of steps in the 
>>> startup procedure.
>>> 
>>> Out of curiosity, if you do have an allocation on run on it, does it work?
>>> 
>>>> 
>>>>  
>>>> -- 
>>>> Paul H. Hargrove                          phhargr...@lbl.gov
>>>> Future Technologies Group
>>>> Computer and Data Sciences Department     Tel: +1-510-495-2352
>>>> Lawrence Berkeley National Laboratory     Fax: +1-510-486-6900
>>>> _______________________________________________
>>>> devel mailing list
>>>> de...@open-mpi.org
>>>> http://www.open-mpi.org/mailman/listinfo.cgi/devel
>>> 
>>> 
>>> _______________________________________________
>>> devel mailing list
>>> de...@open-mpi.org
>>> http://www.open-mpi.org/mailman/listinfo.cgi/devel
>>> 
>>> 
>>> 
>>> -- 
>>> Paul H. Hargrove                          phhargr...@lbl.gov
>>> Future Technologies Group
>>> Computer and Data Sciences Department     Tel: +1-510-495-2352
>>> Lawrence Berkeley National Laboratory     Fax: +1-510-486-6900
>>> <log-fe.bz2>_______________________________________________
>>> devel mailing list
>>> de...@open-mpi.org
>>> http://www.open-mpi.org/mailman/listinfo.cgi/devel
>> 
>> 
>> _______________________________________________
>> devel mailing list
>> de...@open-mpi.org
>> http://www.open-mpi.org/mailman/listinfo.cgi/devel
>> 
>> 
>> 
>> -- 
>> Paul H. Hargrove                          phhargr...@lbl.gov
>> Future Technologies Group
>> Computer and Data Sciences Department     Tel: +1-510-495-2352
>> Lawrence Berkeley National Laboratory     Fax: +1-510-486-6900
>> <log-fe-2.bz2>_______________________________________________
>> devel mailing list
>> de...@open-mpi.org
>> http://www.open-mpi.org/mailman/listinfo.cgi/devel
> 
> 
> _______________________________________________
> devel mailing list
> de...@open-mpi.org
> http://www.open-mpi.org/mailman/listinfo.cgi/devel
> 
> 
> 
> -- 
> Paul H. Hargrove                          phhargr...@lbl.gov
> Future Technologies Group
> Computer and Data Sciences Department     Tel: +1-510-495-2352
> Lawrence Berkeley National Laboratory     Fax: +1-510-486-6900
> _______________________________________________
> devel mailing list
> de...@open-mpi.org
> http://www.open-mpi.org/mailman/listinfo.cgi/devel

Reply via email to