At 11:07 PM 5/14/2008, Roland Dreier wrote:
quoted text
>it was recently pointed out to me that mem-free mthca devices cannot
>create a QP with max_send_sge and max_recv_sge set to the max_sge value
>returned by querying the device.

We've been hit by this twice this week on two NFS/RDMA servers, so I'm
glad to see this! But, for us it happens with memless ConnectX - our mthca
devices are ok (but OTOH they're memfull not memfree)

I'll be happy to test it with our misbehaving cards, but I can't do it until
next week since they just went into a box for shipping. In the meantime,
dare I ask - what's different about memfree cards that limits the sge
attributes like this? And, what values result from the new code? The
ConnectX ones I have report 32, and fail when trying to set that.

Tom.

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