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From: John Baldwin <jhb@freebsd.org>
To: "Eggert, Lars" <lars@netapp.com>
Subject: Re: using ConnectX card as Ethernet (mlxen)
Date: Mon, 20 Jan 2014 15:59:43 -0500
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Cc: "freebsd-current@freebsd.org" <freebsd-current@freebsd.org>,
 John Nielsen <lists@jnielsen.net>
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On Monday 20 January 2014 12:08:34 Eggert, Lars wrote:
> Hi,
> 
> On 2013-7-9, at 22:08, John Nielsen <lists@jnielsen.net> wrote:
> 
> On Jul 9, 2013, at 9:58 AM, John Baldwin <jhb@freebsd.org> wrote:
> >> So this was just fixed (finally) in HEAD in r253048.  You can how use the
> >> sysctls to change this.
> > 
> > I saw the commit. Thanks! I'll give it a try at some point (whenever my
> > schedule and hardware availability align).
> is this supposed to work at the moment? When I try, the machine seems to
> crash:
> 
> root@one:~ # sysctl sys.device.mlx4_core0.mlx4_port1=eth
> sys.device.mlx4_core0.mlx4_port1: auto (ib)
> Write failed: Broken pipe
> Shared connection to xxx closed.
> 
> Unfortunately I don't have serial console access at the moment, so I can't
> access any messages that may have gotten dumped.
> 
> The cards in question are:
> 
> mlx4_core0@pci0:17:0:0:	class=0x028000 card=0x005015b3 chip=0x100315b3
> rev=0x00 hdr=0x00 vendor     = 'Mellanox Technologies'
>     device     = 'MT27500 Family [ConnectX-3]'
>     class      = network

I believe this should work, yes.  Getting a crashdump or the panic messages 
would be really helpful in figuring out why it isn't.  Thanks.

-- 
John Baldwin