[elrepo] Support for older Mellanox network cards in RHEL 8.

[Jeremy Reben]

It appears that didn't work. I don't suppose there is a GEN1 option is
there?
That device still doesn't show a kernel device driver after rebooting.
lsmod shows the elrepo mlx drivers, but nothing loaded, no dmesg, no
nothing.
Is that driver supporting those device ids?
Did I need to do something else to enable it loading beyond dnf install?


On Thu, Apr 16, 2020 at 3:42 PM Phil Perry <phil at elrepo.org> wrote:

> On 16/04/2020 20:58, Grigory Shamov wrote:
> > Hi All,
> >
> > If I may I second the request. We also use Connectx-2 (QDR Infiniband).
> > I believe they have sam driver with the 10GE cards, mlnx4 . Thats what
> > we use:
> >
> > 08:00.0 InfiniBand [0c06]: Mellanox Technologies MT25408A0-FCC-QI
> > ConnectX, Dual Port 40Gb/s InfiniBand / 10GigE Adapter IC with PCIe 2.0
> > x8 5.0GT/s In... (rev a0)
> >
> > --
> > Grigory Shamov
> > WestGrid Site Lead / HPC Specialist
> > University of Manitoba
> > E2-588 EITC Building,
> > (204) 474-9625
> >
> >
> > From: <elrepo-bounces at lists.elrepo.org
> > <mailto:elrepo-bounces at lists.elrepo.org>> on behalf of Jeremy Reben
> > <jeremy.reben at gmail.com <mailto:jeremy.reben at gmail.com>>
> > Reply-To: EL Repo General Mailing List <elrepo at lists.elrepo.org
> > <mailto:elrepo at lists.elrepo.org>>
> > Date: Thursday, April 16, 2020 at 1:59 PM
> > To: EL Repo General Mailing List <elrepo at lists.elrepo.org
> > <mailto:elrepo at lists.elrepo.org>>
> > Subject: Re: [elrepo] Support for older Mellanox network cards in RHEL 8.
> >
> > *Caution:* This message was sent from outside the University of Manitoba.
> >
> >
> > 0d:00.0 Ethernet controller [0200]: Mellanox Technologies MT26448
> > [ConnectX EN 10GigE, PCIe 2.0 5GT/s] [15b3:6750] (rev b0)
> >
>
> Thank you both for the request.
>
> I have built the following package for you which I have released to the
> elrepo testing repository. Packages should be available on the mirrors
> shortly:
>
> kmod-mlx4-4.0-1.el8_1.elrepo.src.rpm
> kmod-mlx4-4.0-1.el8_1.elrepo.x86_64.rpm
>
> https://elrepo.org/linux/testing/el8/x86_64/RPMS/
>
> The package is built for el8.1. I have taken the source code from the
> RHEL8.1 kernel (4.18.0-147.el8) and simply rebuilt with MLX4_CORE_GEN2
> defined. From a quick examination of the source code I think this is all
> that is required.
>
> Please can you test and let me know if the driver works for you.
>
> Grigory - please can I have the vendor:device id from the output of
> 'lspci -nn' for your device (especially if the above driver doesn't work
> for you) - thanks.
>
> Phil
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