[openib-general] Performance Degradation with OFED v. Voltaire

[Tziporet Koren]

Philippe Bernadat wrote:
> Roland,
>
> Attached are the two lspci outputs.
>
> The only differences I see are:
>
> [philippe at hamish o2ib]$ diff lspci.vib lspci.ofed
> 1d0
> < pcilib: Resource 5 in /sys/bus/pci/devices/0000:00:1f.1/resource has 
> a 64-bit address, ignoring
> 40c39
> < 50: 03 60 ff 7f 11 11 00 00 00 00 00 00 00 00 00 00
> ---
> > 50: 03 60 ff ff 11 11 00 00 00 00 00 00 00 00 00 00
> [philippe at hamish o2ib]$
>
Have you tried running with

options ib_mthca tune_pci =1

Tziporet