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

[Ravinandan Arakali]

openfab is an opteron(dual CPU) running SLES10 upgraded to 2.6.16.20
kernel.
openfab2 is a 32-bit xeon system running SLES10 RC2.5(2.6.16.18
kernel).


-----Original Message-----
From: Steve Wise [mailto:swise at opengridcomputing.com]
Sent: Friday, July 07, 2006 1:47 PM
To: Ravinandan Arakali
Cc: bpradip at in.ibm.com; openib-general at openib.org
Subject: Re: [openib-general] ping problem with ammasso
cards(iWARPinterface)


By the way, what HW platform, distro, kernel are you using?


Steve.


On Fri, 2006-07-07 at 13:02 -0700, Ravinandan Arakali wrote:
> 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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> >
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