[ofa-general] max_mr limit

[Jack Morgenstein]

On Tuesday 11 March 2008 19:38, Rajouri Jammu wrote:
> I think it's Arabel.
> 
> Both drivers are loaded (ib_mthca and mlx4_core). How do I tell which
> driver's settings I should modify?
> 
> What will be the max_mr value if log_num_mpt = 20?
> 

To see which device you have, type the following command in your linux console:

lspci | grep Mellanox

For ConnectX (mlx4), you will see:
InfiniBand: Mellanox Technologies: Unknown device 634a (rev a0)
  (lspci has not caught up with us yet).

For Arbel (InfiniHost III), you will see either:
InfiniBand: Mellanox Technologies MT25208 InfiniHost III Ex HCA (rev a0)

or, if you are running your arbel in Tavor compatibility mode:

InfiniBand: Mellanox Technologies MT25208 InfiniHost III Ex (Tavor compatibility mode) (rev 20)
===========
If your installed HCA is a ConnectX, you should use the module parameters for mlx4.
If your installed HCA is an InfiniHost III, you should use the module parameters for ib_mthca.

- Jack