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From: Krishnamraju Eraparaju <krishna2@chelsio.com>
To: Marcin Mielniczuk <marcin@golem.network>
Cc: linux-rdma@vger.kernel.org
Subject: Re: Setting up siw devices
Date: Thu, 22 Aug 2019 21:13:25 +0530	[thread overview]
Message-ID: <20190822154323.GA19899@chelsio.com> (raw)
In-Reply-To: <421f6635-e69c-623d-746a-df541c27f428@golem.network>

On Thursday, August 08/22/19, 2019 at 17:08:49 +0200, Marcin Mielniczuk wrote:
> Hi,
> 
> I'm trying to test the recently merged siw module.
> I'm running kernel 5.3-rc5 (taken from the Ubuntu mainline-kernel
> repository [1]) on Ubuntu 18.04 (bionic).
> I also manually installed rdma-core 25.0 from tarball, using the
> included Debian packaging. I installed all the packages but ibacm.
> 
> After booting the new kernel I manually loaded the kernel module by
> 
>      modprobe siw
>      modprobe rdma_ucm
> 
> Then ibv_devinfo shows: "No IB devices found".
> dmesg only shows:
>      [   29.856751] SoftiWARP attached
> 
> According to this tutorial, [2] it should be enough to just load the siw
> module. (unlike RXE, where one needs to use rxe_cfg to set up the
> interface)
> Is this a bug in siw or just a configuration issue on my side?

Have you done "rdma link"?

rdma link add <NAME> type siw netdev <NETDEV>

http://man7.org/linux/man-pages/man8/rdma-link.8.html


> 
> Thanks,
> Marcin
> 
> [1] https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.3-rc5/
> [2] https://budevg.github.io/posts/tutorials/2017/04/29/rdma-101-1.html
> 




  reply	other threads:[~2019-08-22 15:43 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-22 15:08 Setting up siw devices Marcin Mielniczuk
2019-08-22 15:43 ` Krishnamraju Eraparaju [this message]
2019-08-22 15:52   ` Leon Romanovsky
2019-08-22 17:05     ` Marcin Mielniczuk
2019-08-22 17:21       ` Leon Romanovsky
2019-08-22 17:58         ` Marcin Mielniczuk
2019-08-22 18:38           ` Leon Romanovsky
2019-08-22 19:13             ` Jason Gunthorpe
2019-08-22 19:24               ` Leon Romanovsky
2019-08-26 10:02             ` Marcin Mielniczuk
2019-08-26 11:39               ` Leon Romanovsky
2019-08-26 18:21                 ` Marcin Mielniczuk
     [not found]     ` <b4bf4bc2-8dc7-a2c2-6bd2-ab41d9fbadc9@golem.network>
2019-08-23 14:17       ` Marcin Mielniczuk
2019-08-23 14:50         ` Jason Gunthorpe

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