netdev - Re: mlx4 w/ IOMMU broken, kernel 3.12.6 -- resolved

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Date:	Thu, 9 Jan 2014 13:46:19 +0100
From:	David Lamparter <equinox@...c24.net>
To:	Amir Vadai <amirv@...lanox.com>
Cc:	David Lamparter <equinox@...c24.net>, netdev@...r.kernel.org
Subject: Re: mlx4 w/ IOMMU broken, kernel 3.12.6 -- resolved

On Thu, Jan 09, 2014 at 09:54:15AM +0200, Amir Vadai wrote:
> What is the firmware version?
> You can get it by issuing 'ethtool -i <interface>'
> 
> Please make sure you're using the latest FW from mellanox.com.

Ah, indeed updating from 2.11.500 to 2.30.8000 has fixed the issue.
(The driver could print a warning for this?)

(Note: updating the firmware has been rather annoying due to the complex
and complicated way the OEM branding [this is an IBM card] is designed.
If you have some way of passing up user experience feedback, please put
a note down on this.)

> We still don't have MLNX_OFED package that supports this kernel.

I noticed, the kernel driver from the external package is referencing
things that have disappeared from the kernel around version 3.8.  Though
I don't see why there is both an in-kernel driver and a separate
package...

Thanks for the firmware pointer,

David
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