RE: IB atomic operations

["Bharath Ramesh" <bramesh-PjAqaU27lzQ@public.gmane.org>]

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> -----Original Message-----
> From: frank zago [mailto:fzago-klaOcWyJdxkshyMvu7JE4pqQE7yCjDx5@public.gmane.org]
> 
> On 02/25/2011 01:30 AM, Bharath Ramesh wrote:
> > Hi,
> > 	I am trying to use IB atomic operations, specifically fetch and
> add.
> > I tried a small example but I am unable to get it to work. The WC
> status is
> > IBV_WC_REM_INV_REQ_ERR. My sample code is as follows:
> 
> Did you register your memory with IBV_ACCESS_REMOTE_ATOMIC ?

I have registered both the remote and local data with
IBV_ACCESS_LOCAL_WRITE | IBV_ACCESS_REMOTE_ATOMIC | IBV_ACCESS_REMOTE_READ |
IBV_ACCESS_REMOTE_WRITE

I am not sure if the vendor err code is of any help but it is 138. I am also
using Mellanox ConnectX-2 QDR cards. 

Regards,

Bharath

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