[mpich-discuss] MPID_nem_tcp_init(377)... gethostbyname failed, mac (errno 1)
Reuti
reuti at staff.uni-marburg.de
Tue Mar 4 05:59:28 CST 2014
Am 04.03.2014 um 12:10 schrieb Luis Cebamanos:
> It also works with en0:
>
> lcebaman at mac~/$ mpiexec -iface en0 -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
Interesting, something I never tried before as my name resolution works as expected.
-- Reuti
> And that is what my ifconfig says:
>
> lcebaman at mac~/$ ifconfig
> lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
> options=3<RXCSUM,TXCSUM>
> inet6 ::1 prefixlen 128
> inet 127.0.0.1 netmask 0xff000000
> inet6 fe80::1%lo0 prefixlen 64 scopeid 0x1
> nd6 options=1<PERFORMNUD>
> gif0: flags=8010<POINTOPOINT,MULTICAST> mtu 1280
> stf0: flags=0<> mtu 1280
> en0: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500
> ether 28:cf:e9:1f:cf:13
> inet6 fe80::2acf:e9ff:fe1f:cf13%en0 prefixlen 64 scopeid 0x4
> inet 172.20.170.189 netmask 0xfffff000 broadcast 172.20.175.255
> nd6 options=1<PERFORMNUD>
> media: autoselect
> status: active
> en4: flags=8963<UP,BROADCAST,SMART,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500
> options=60<TSO4,TSO6>
> ether 32:00:17:4d:80:20
> media: autoselect <full-duplex>
> status: inactive
> en5: flags=8963<UP,BROADCAST,SMART,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500
> options=60<TSO4,TSO6>
> ether 32:00:17:4d:80:21
> media: autoselect <full-duplex>
> status: inactive
> p2p0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 2304
> ether 0a:cf:e9:1f:cf:13
> media: autoselect
> status: inactive
> bridge0: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500
> options=63<RXCSUM,TXCSUM,TSO4,TSO6>
> ether 2a:cf:e9:f1:ef:00
> Configuration:
> id 0:0:0:0:0:0 priority 0 hellotime 0 fwddelay 0
> maxage 0 holdcnt 0 proto stp maxaddr 100 timeout 1200
> root id 0:0:0:0:0:0 priority 0 ifcost 0 port 0
> ipfilter disabled flags 0x2
> member: en4 flags=3<LEARNING,DISCOVER>
> ifmaxaddr 0 port 5 priority 0 path cost 0
> member: en5 flags=3<LEARNING,DISCOVER>
> ifmaxaddr 0 port 6 priority 0 path cost 0
> nd6 options=1<PERFORMNUD>
> media: <unknown type>
> status: inactive
>
> Cheers,
> Luis
> On 3 Mar 2014, at 22:24, Luis Cebamanos <l.cebamanos at epcc.ed.ac.uk> wrote:
>
>>
>> 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
>>>>>>> To manage subscription options or unsubscribe:
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>>>>>>
>>>>>> _______________________________________________
>>>>>> 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
>>>>>> To manage subscription options or unsubscribe:
>>>>>> https://lists.mpich.org/mailman/listinfo/discuss
>>>>>
>>>>> 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.
>>>> _______________________________________________
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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:
>> https://lists.mpich.org/mailman/listinfo/discuss
>
> 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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