[mpich-discuss] MPID_nem_tcp_init(377)... gethostbyname failed, mac (errno 1)
Luis Cebamanos
l.cebamanos at epcc.ed.ac.uk
Tue Mar 4 05:10:53 CST 2014
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
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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>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> 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
>>>>>
>>>>> _______________________________________________
>>>>> 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:
>>>>> 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:
>>>> 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:
>>> https://lists.mpich.org/mailman/listinfo/discuss
>>
>> _______________________________________________
>> 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:
> https://lists.mpich.org/mailman/listinfo/discuss
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