[openib-general] Re: NOP problem in ib_mthca on OFED RC4

[Michael S. Tsirkin]

Quoting r. Don.Albert at bull.com <Don.Albert at bull.com>:
> Subject: Re: NOP problem in ib_mthca on OFED RC4
> 
> 
> Michael,
> 
> > > > Which FW revision do you have?
> > > >
> > > The "ibstat" command shows:
> > >
> > >         CA type: MT25204
> > >         Number of ports: 1
> > >         Firmware version: 1.0.800
> > >         Hardware version: a0
> > >         Node GUID: 0x0002c90200216dc4
> > >         System image GUID: 0x0002c90200216dc7
> > >
> > >   -Don Albert-
> > >
> >
> > Yes, that's the latest revision. Hmm.
> >
> 
> What about the other thing I mentioned in my first message:  the "lspci" command complains about the board slot that the HCA is plugged into:
> 
>    pcilib: Resource 2 in /sys/bus/pci/devices/0000:03:00.0/resource has a 64-bit address, ignoring
>    ....
>    03:00.0 InfiniBand: Mellanox Technologies MT25204 [InfiniHost III Lx HCA] (rev 20)

No, that's just a bug in pciutils.

> I also found out that on this machine the HCA is plugged into a 16X PCI-e slot, which is different than the other machine which is working, where the slot is 8X.

Shouldn't matter. Hmm.

> Bear in mind, however, that both machines were previously working with the 2.6.9-34 kernel with the backport patches and the OpenIB svn 6500 code.  Did something happen in 2.6.16, or am I missing a patch?

I think fw_cmd_db was added and default was changed to 1 from 0.

-- 
MST