[mpich-discuss] MPID_nem_tcp_init(377)... gethostbyname failed, mac (errno 1)
Luis Cebamanos
l.cebamanos at epcc.ed.ac.uk
Mon Mar 3 16:24:16 CST 2014
Hi Reuti,
I have done what you suggested and it WORKS with the wireless off
lcebaman at mac~/$ mpiexec -iface lo0 -n 4 ./hello
Hello world from process 0 of 4
Hello world from process 3 of 4
Hello world from process 1 of 4
Hello world from process 2 of 4
What is the problem here then?
Cheers,
Luis
On 3 Mar 2014, at 14:54, Reuti <reuti at staff.uni-marburg.de> wrote:
> Am 03.03.2014 um 11:29 schrieb Luis Cebamanos:
>
>> I have also noticed that working without any internet connection does not work either.
>
> Just for curiosity:
>
> $ mpiexec -iface lo0 -n 4 ./foo
>
> -- Reuti
>
>
>> On 3 Mar 2014, at 09:53, Luis Cebamanos <l.cebamanos at epcc.ed.ac.uk> wrote:
>>
>>> Hi there,
>>>
>>> I’ve got more news. The last IP that I showed in my last email it turns out that works OKAY, however now that I am back to the office and working on the wireless, it does not work. And that is the result of nslookup:
>>>
>>> lcebaman at mac~/Projects/SPRINT$ nslookup localhost
>>> Server: 129.215.205.191
>>> Address: 129.215.205.191#53
>>>
>>> Name: localhost.ed.ac.uk
>>> Address: 127.0.0.1
>>>
>>> lcebaman at mac~/Projects/SPRINT$ nslookup mac
>>> Server: 129.215.205.191
>>> Address: 129.215.205.191#53
>>>
>>> ** server can't find mac: NXDOMAIN
>>>
>>> Any thoughts?
>>>
>>> Cheers,
>>> Luis
>>>
>>> On 1 Mar 2014, at 19:40, l.cebamanos <l.cebamanos at epcc.ed.ac.uk> wrote:
>>>
>>>> Well, is not fixed. Its just the one I got here, but it changes. Any ideas of how to fix this?
>>>>
>>>> -------- Original message --------
>>>> From: Reuti <reuti at staff.uni-marburg.de>
>>>> Date:01/03/2014 17:38 (GMT+00:00)
>>>> To: discuss at mpich.org
>>>> Subject: Re: [mpich-discuss] MPID_nem_tcp_init(377)... gethostbyname failed,
>>>> mac (errno 1)
>>>>
>>>> Am 01.03.2014 um 17:58 schrieb Luis Cebamanos:
>>>>
>>>>> Here it is the output of those commands:
>>>>>
>>>>> lcebaman at mac~/$ nslookup localhost
>>>>> Server: 192.168.1.1
>>>>> Address: 192.168.1.1#53
>>>>>
>>>>> Name: localhost
>>>>> Address: 127.0.0.1
>>>>>
>>>>> lcebaman at mac~/$ nslookup mac
>>>>> Server: 192.168.1.1
>>>>> Address: 192.168.1.1#53
>>>>>
>>>>> Name: mac
>>>>> Address: 192.168.1.127
>>>>
>>>> Is this a fixed address you get everytime? You could add it to /etc/hosts.
>>>>
>>>> Interesting that MPICH throws an error about resolving "mac", although DNS is working.
>>>>
>>>> -- Reuti
>>>>
>>>>
>>>>> lcebaman at mac~/$ hostname
>>>>> mac
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On 28 Feb 2014, at 23:35, Reuti <reuti at staff.uni-marburg.de> wrote:
>>>>>
>>>>>> Am 28.02.2014 um 14:39 schrieb Luis Cebamanos:
>>>>>>
>>>>>>> Hi Pavan,
>>>>>>>
>>>>>>> Yes, that is the output:
>>>>>>>
>>>>>>> $ cat /etc/hosts
>>>>>>> ##
>>>>>>> # Host Database
>>>>>>> #
>>>>>>> # localhost is used to configure the loopback interface
>>>>>>> # when the system is booting. Do not change this entry.
>>>>>>> ##
>>>>>>> 127.0.0.1 localhost
>>>>>>> 255.255.255.255 broadcasthost
>>>>>>> ::1 localhost
>>>>>>> fe80::1%lo0 localhost
>>>>>>
>>>>>> What is the output of:
>>>>>>
>>>>>> $ nslookup localhost
>>>>>> $ nslookup mac
>>>>>> $ hostname
>>>>>>
>>>>>> AFAICS your machine has no domainname, otherwise it would show up in the MPICH error message after "mac".
>>>>>>
>>>>>> -- Reuti
>>>>>>
>>>>>>
>>>>>>> On 28/02/14 13:35, Balaji, Pavan wrote:
>>>>>>>> $ cat /etc/hosts
>>>>>>>>>> ##
>>>>>>>>>> # Host Database
>>>>>>>>>> #
>>>>>>>>>> # localhost is used to configure the loopback interface
>>>>>>>>>> # when the system is booting. Do not change this entry.
>>>>>>>>>> ##
>>>>>>>>>> 127.0.0.1 localhost
>>>>>>>>>> 255.255.255.255 broadcasthost
>>>>>>>>>> ::1 localhost
>>>>>>>>>> fe80::1%lo0 localhost
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> The University of Edinburgh is a charitable body, registered in
>>>>>>> Scotland, with registration number SC005336.
>>>>>>>
>>>>>>> _______________________________________________
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>>>>>>
>>>>>> _______________________________________________
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>>>>>
>>>>> The University of Edinburgh is a charitable body, registered in
>>>>> Scotland, with registration number SC005336.
>>>>> _______________________________________________
>>>>> discuss mailing list discuss at mpich.org
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>>>>
>>>> _______________________________________________
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>>>> The University of Edinburgh is a charitable body, registered in
>>>> Scotland, with registration number SC005336.
>>>> _______________________________________________
>>>> discuss mailing list discuss at mpich.org
>>>> To manage subscription options or unsubscribe:
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>>>
>>> The University of Edinburgh is a charitable body, registered in
>>> Scotland, with registration number SC005336.
>>> _______________________________________________
>>> discuss mailing list discuss at mpich.org
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>>
>> The University of Edinburgh is a charitable body, registered in
>> Scotland, with registration number SC005336.
>> _______________________________________________
>> discuss mailing list discuss at mpich.org
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>
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