[openib-general] Help with CONFIG_PCI_MSI in the kernel

Tue Apr 4 01:36:54 PDT 2006

On Mon, Apr 03, 2006 at 09:36:00PM -0700, Grant Grundler wrote:

> The only evidence I have is one AMD chipset is buggy WRT MSI.

Grant,

I know about that case, the kernel disables stuff if it sees an AMD
8131 due to a bug. What I am referring to was IPoIB performance on
Mellanox HCAs being improved with MSI. I figure if it's gotten this
far with Red Hat turning it off, concrete examples are in order.

-- greg