[openib-general] ping problem with ammasso cards(iWARP interface)

[Ravinandan Arakali]

Attached are the outputs when rping and krping are run.
The dmesg output when krping is run is quite verbose.
Hopefully, you can throw some light by looking at it.
The rping server core dumped as soon as the client was run.

Thanks,
Ravi


-----Original Message-----
From: Pradipta Kumar Banerjee [mailto:bpradip at in.ibm.com]
Sent: Friday, July 07, 2006 11:57 AM
To: ravinandan.arakali at neterion.com
Cc: openib-general at openib.org
Subject: Re: [openib-general] ping problem with ammasso cards(iWARP
interface)


Ravinandan Arakali wrote:
> Pradipta kumar,
> I had tried krping earlier but same result as with rping.
> I believe I am using latest stack since it was checked out from
> https://openib.org/svn/gen2/trunk
For iWARP use this https://openib.org/svn/gen2/branches/iwarp

I am not sure why, but the main trunk no longer contain iwarp specific code.

>
> I will try bumping up debug level on rdma_krping. Do you
> want the dmesg output while running rping or krping ?

anything will do. Also I only mentioned for rdma_krping, please do the same
for
the ammasso driver (modprobe iw_c2 debug=16) too


>
> Ravi
>
> -----Original Message-----
> From: Pradipta Kumar Banerjee [mailto:bpradip at in.ibm.com]
> Sent: Friday, July 07, 2006 11:37 AM
> To: Ravinandan Arakali
> Cc: openib-general at openib.org
> Subject: Re: [openib-general] ping problem with ammasso cards(iWARP
> interface)
>
>
> Ravinandan Arakali wrote:
>> I added -d to rping command. I am not seeing the core dump on
>> this run. Following is the output(and it blocks at this point).
>>
>> openfab2:~ # rping -s -vV -C100 -d -a 0.0.0.0 -p 9999
>> ipaddr (0.0.0.0)
>> port 9999
>> created cm_id 0x804e6e0
>> rdma_bind_addr successful
>> rdma_listen
>>
>> openfab:~ # rping -c -vV -C100 -d  -a 17.2.2.102 -p 9999
>> ipaddr (17.2.2.102)
>> port 9999
>> created cm_id 0x506b00
>> cma_event type 0 cma_id 0x506b00 (parent)
>> cma_event type 2 cma_id 0x506b00 (parent)
>> rdma_resolve_addr - rdma_resolve_route successful
>>
>>
>> -----Original Message-----
>> From: Steve Wise [mailto:swise at opengridcomputing.com]
>> Sent: Friday, July 07, 2006 11:07 AM
>> To: ravinandan.arakali at neterion.com
>> Cc: openib-general at openib.org
>> Subject: Re: ping problem with ammasso cards(iWARP interface)
>>
>>
>> adding -d to rping might give more debug info...
>>
>> Also if the server side core dumps, please get a stack trace and lets
>> see whats up...
>>
>> Steve.
>>
>>
>> On Fri, 2006-07-07 at 11:04 -0700, Ravinandan Arakali wrote:
>>> Hi,
>>> I have two systems connected back-to-back with ammasso cards. I have
>>> configured and built the libraries and drivers as mentioned in
>>>
> https://openib.org/tiki/tiki-index.php?page=Install+OpenIB+for+Ammasso1100
>>> I can ping on the regular ethX interface but both rping and krping on
>> iwarp
>>> interfaces fail (no packets sent/received).
>>> Following is the configuration:
>>> System1:
>>> eth interface: 17.1.1.101
>>> iwarp interface: 17.2.2.101
>>>
>>> System2:
>>> eth interface: 17.1.1.102
>>> iwarp interface: 17.2.2.102
>>>
>>> On System2 I run
>>> # rping -s -vV -C100 -a 0.0.0.0 -p 9999
>>>
>>> On System1 I run
>>> # rping -c -vV -C100  -a 17.2.2.102 -p 9999
>>>
>>> Sometimes I have noticed that when client is started, the server core
>> dumps.
>>> Other times, there is no core dump but there's no traffic flowing.
>
> Ravi,
>    Did you try with the 'krping' (kernel module) utility ? This is the
same
> as
> 'rping' but it's a kernel module instead of a user space application.
> Also hope you are using the latest stack.
> Also enable debugging for the Ammasso driver (modprobe rdma_krping
debug=3)
> and
> send us the dmesg output.
>
> Thanks,
> Pradipta Kumar
>
>>> Any help is appreciated.
>>>
>>> Thanks,
>>> Ravi
>>
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