[ofa-general] Re: Executing IB Verbs/RDMA client/server code via JNI

[Zafar Gilani]

Sorry forgot to attach the tarball.

On Wed, May 20, 2009 at 9:25 AM, Zafar Gilani <zafargilani at gmail.com> wrote:

> I am an undergrad student doing my FYP. I am using IB Verbs and RDMA CM to
> implement a communication device over InfiniBand fabric. I have executed
> client/server code (most part from Roland Dreier, CISCO) and it works
> absolutely fine. However when I try to call the same thing via JNI, the code
> gets stuck at "ibv_alloc_pd". I have checked the "cm_id", the ibv_context
> "cm_id->verbs" and the protection domain "ibv_pd" but I am unable to resolve
> the error.
>
> JVM actually crashes stating that error exists at frame: "ibv_alloc_pd" and
> that crashed happened in native code. Though this is understandable, but the
> error is not, since the same code works when executed directly with c
> compiler but gives trouble with JNI.
>
> Compilers:
>    java version "1.6.0_07"
>    Java(TM) SE Runtime Environment (build 1.6.0_07-b06)
>    Java HotSpot(TM) 64-Bit Server VM (build 10.0-b23, mixed mode)
>
>    gcc (GCC) 4.1.2 20071124 (Red Hat 4.1.2-42)
>
> Environment:
>    Red Hat 4.12
>    2 Intel(R) Xeon(TM) 5060 CPU dual-core hyperthreading 3.20GHz
>
> I have attached the compressed file that contains all the files (.java, .h,
> .c and .log). I was hoping that someone could may be point me in the right
> direction.
>
> Any help will be greatly appreciated.
>
> Regards,
> --
> Syed Zafar ul Hussan Gilani | BIT-7
> Research Student | CHPSC
> MSP 2008-09
> NUST SEECS | http://hpc.niit.edu.pk/~zafar<http://hpc.niit.edu.pk/%7Ezafar>
>



-- 
Syed Zafar ul Hussan Gilani | BIT-7
Research Student | CHPSC
MSP 2008-09
NUST SEECS | http://hpc.niit.edu.pk/~zafar
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