[mpich-discuss] Problem with "sock"-channel

[Thakur, Rajeev]

If you are running on a single machine, Nemesis will use shared memory, so no TCP connection issues. ch3:sock will always use TCP and try to set up a socket connection.

Rajeev

On Jul 8, 2014, at 9:16 AM, Klaus Philip <Philip.Klaus.fl at ait.ac.at> wrote:

> Hi Ken,
> The firewall has already been disabled and with the Nemesis channel it worked out of problems....
> Do you maybe know another reason for this issue ?
> 
> Greetings,
> Philip
> ________________________________________
> Von: discuss-bounces at mpich.org [discuss-bounces at mpich.org]" im Auftrag von "Kenneth Raffenetti [raffenet at mcs.anl.gov]
> Gesendet: Dienstag, 8. Juli 2014 14:46
> An: discuss at mpich.org
> Betreff: Re: [mpich-discuss] Problem with "sock"-channel
> 
> It looks like there may be a firewall blocking connections between
> machines. Try disabling it on your hosts and running again.
> 
> Ken
> 
> On 07/08/2014 04:31 AM, Klaus Philip wrote:
>> Sorry the pictures where not inserted correctly….
>> 
>> 1)Error at my self written MPI program:
>> 
>> 2)Error at the Intel MPI Benchmark:
>> 
>> Greetings,
>> 
>> Philip
>> 
>> *Von:*discuss-bounces at mpich.org [mailto:discuss-bounces at mpich.org] *Im
>> Auftrag von *Klaus Philip
>> *Gesendet:* Dienstag, 8. Juli 2014 11:26
>> *An:* discuss at mpich.org
>> *Betreff:* [mpich-discuss] Problem with "sock"-channel
>> 
>> After reconfiguring, recompiling and reinstalling mpich2 with the
>> sock-channel flag (--with-device=ch3:sock) to avoid active polling,
>> every MPI program (Self written programs, and also the Intel MPI
>> Benchmark too) breaks when it calls a MPI function:
>> 
>> 1) Error at my self written MPI program:
>> 
>> 
>> 2) Error at the Intel MPI Benchmark:
>> 
>> 
>> So I hope someone of you knows what issue is causing these errors.
>> Greetings from Austria,
>> Philip
>> 
>> 
>> 
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