[ofa-general] Oops in mthca

[Jack Morgenstein]

On Friday 21 December 2007 02:11, Pradeep Satyanarayana wrote:
> I discovered the following Oops while developing a patch to enable SRQ on HCAs with fewer than
> 16 SG elements.
> 
> The root of this issue appears to be that ib_query_device(priv->ca, &attr)
> reports an incorrect value for attr.max_srq_sge. The value that
> ib_query_device returns is 28 (instead of 16 that I expected).
> 
Where did you get a value of 16 for max srq scatter-gather entries?
The value reported by ib_query_device is correct (based on a wqe stride of 512 bytes).

- Jack