James Lentini wrote:


On Sun, 11 Sep 2005, Aniruddha Bohra wrote:

Hello,
  I tried connecting 2 endpoints using the new uDAPL library.
The connection fails with an invalid route option.
Attached is the log with DAT_DBG_TYPE=0xffff and DAPL_DBG_TYPE=0xffff.
I traced the call to ib_at_route_by_ip(),
It seems like all the arguments (dst_ip, src_ip, r_qual..) are 0x00.

I have also attached my dat.conf, lsmod, /etc/ibhosts, and /etc/hosts.

Could you please direct me where to look?

Thanks
Aniruddha



The parameters you passed to dapl_ep_connect don't look good:

dapl_ep_connect (0x8057218, {4294967280.4294967295.4294967295.4294967295}, 4A275800, 0, -1, (nil), 0, 0)

The second argument should be the IP address you want to connect to. The address doesn't look good. Can you verify that you are passing uDAPL a good address?

I'll look over our code to see if there is a bug in our debug statement. We are printing out the 8-bit octets of the IP address as unsigned integer values. I can't explain why octet 1 is 0xFFFFFFF0 and octets 2,3, and 4 are 0xFFFFFFFF. Also your private data size is -1. I would change that to 0, but this isn't the problem.
Hi
   I checked the code and it seems there was indeed a problem with that.
I changed the code and now it posts the connect request and does not
get any event. The ep_status is DAT_EP_STATE_CONNECT_PENDING.
I am trying now with dapltest to see if it is a problem with my server
(netapp filer NFSoRDMA) or the Open IB stack.

Thanks for your help. If you have any idea about some special configuration
required for the connection, I would really appreciate your help. Is there any
way to see the requests similar to tcpdump?

Thanks
Aniruddha

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