[ofa-general] Bug with SDP on IA64

[Amir Vadai]

Hi,


Please open a bug in https://bugs.openfabrics.org/ (make sure it is not
a duplicate)

I guess you have some endianess problem since ia64 is big endian and x86 is little endian.

Try running the test on a stock Redhat/SLES kernel.

- Amir


Nicolas Morey Chaisemartin wrote:

> Hi,
>
> I am stuck with a bug from ofa-kernel 1.3.1 on an IA64 running a Bull
> 2.6.18 kernel.
> When doing SDP transfers from an IA64 to any other host (IA64, x86,
> x86_64) through ttcp, I got this message:
>
> [root at h2 ~]# LD_PRELOAD=/usr/lib/libsdp.so.1 ~/ttcp/ttcp -t -s
> 192.168.0.10
> ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001  tcp  ->
> 192.168.0.10
> ttcp-t: socket
> ttcp-t: tcp_maxseg
> ttcp-t: connect
> ttcp-t: IO: Connection reset by peer
> errno=104
> [root at h2 ~]#
>
> And the same error on the other side.
> I activated the debug mode for sdp module and found out than on the
> receiver side a completion error 1 shows up:
> Oct 16 12:40:43 s_kernel at yack0 kernel: sdp_sock(5001:36814): Recv
> completion with error. Status 1
> Oct 16 12:40:43 s_kernel at yack0 kernel: sdp_sock(5001:36814): sdp_reset
> state=1
> Oct 16 12:40:44 s_kernel at yack0 kernel: sdp_sock(5001:36814):
> sdp_cma_handler event 10 id 0000010425120600
> Oct 16 12:40:44 s_kernel at yack0 kernel: sdp_sock(5001:36814):
> RDMA_CM_EVENT_DISCONNECTED
>
> The error triggers a socket reset which terminates the connection.
> According to the docs I could find, Status 1 is a local length error,
> meaning the size written in the packet doesn't match the payload.
>
> I've noticed that with few packets (<= 100) or when ttcp is slowed
> down (started through strace) transfers seem to work.
>
> I've tried to update to the latest ofa-kernel (1.4.1 from 10/16/2008)
> and the bug is still there.
>
> Has anyone seen this problem before? What can I do to locate where
> things go wrong?
>
> Regards
>
> Nicolas
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