[openfabrics-ewg] [openib-general] Minutes for January 15, 2007 teleconference about OFED 1.2 development progress toward code freeze

[Tang, Changqing]

Roland:
	when RDMA is used, a message is transferred from card A (in node
A) to card B (in node B), card B delivers the message to to user buffer,
and sends ACK to card A, but ACK is lost due to switch fail. So process
on node A get fail for this transfer, but process on node B check the
memory  and get the message(success).

	If send/recv(SRQ) is used, is it possible that process on node A
get failure, but process on node B successfully get the message ?

--CQ

 

> -----Original Message-----
> From: Roland Dreier [mailto:rdreier at cisco.com] 
> Sent: Tuesday, January 16, 2007 4:54 PM
> To: Tang, Changqing
> Cc: Tziporet Koren; EWG; OPENIB
> Subject: Re: [openib-general] Minutes for January 15, 2007 
> teleconference about OFED 1.2 development progress toward code freeze
> 
>  > We need this compatible feature very much so I hope you 
> double confirm  > this.  Can app build with 1.0 work on 1.1 ? 
> (if we only use the basic  > feature).
> 
> It's not a matter of which features you use.  But yes, my 
> goal is to make apps compiled against libibverbs 1.0 still 
> work with libibverbs 1.1.  I'm not positive it is possible 
> since I haven't fully implemented it, but that is what I am 
> trying to acheive.
>