From: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
To: "Gruher,
Joseph R"
<joseph.r.gruher-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: Mellanox CX5 Not Showing Up In ibv_devices (on some systems)
Date: Thu, 26 Oct 2017 10:59:40 -0600 [thread overview]
Message-ID: <20171026165940.GC5829@obsidianresearch.com> (raw)
In-Reply-To: <DE927C68B458BE418D582EC97927A9287FD16661-8oqHQFITsIFQxe9IK+vIArfspsVTdybXVpNB7YpNyf8@public.gmane.org>
On Thu, Oct 26, 2017 at 04:49:29PM +0000, Gruher, Joseph R wrote:
> Hi, I'm having trouble with ibv_devices (and related tools like
> ibv_devinfo, ib_send_bw, etc) not recognizing my Mellanox CX5 NICs
> in some systems. The NICs work fine for TCP/IP traffic, and I think
> for RDMA traffic as well as I can do NVMeoF discovery and make
> NVMeoF connections, but they're just not listed in ibv_devices.
> intel@BigTwin-A:~$ sudo ibv_devices
> libibverbs: Warning: no userspace device-specific driver found for
> /sys/class/infiniband_verbs/uverbs0
Well, that is pretty big clue, you haven't installed the user space
support library.
Depending on what os you are using it is either in the libmlx5 or
ibverbs-providers packages,
Jason
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next prev parent reply other threads:[~2017-10-26 16:59 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-26 16:49 Mellanox CX5 Not Showing Up In ibv_devices (on some systems) Gruher, Joseph R
[not found] ` <DE927C68B458BE418D582EC97927A9287FD16661-8oqHQFITsIFQxe9IK+vIArfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2017-10-26 16:59 ` Jason Gunthorpe [this message]
[not found] ` <20171026165940.GC5829-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-10-26 17:32 ` Gruher, Joseph R
[not found] ` <DE927C68B458BE418D582EC97927A9287FD167C8-8oqHQFITsIFQxe9IK+vIArfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2017-10-26 18:49 ` Jason Gunthorpe
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