From mboxrd@z Thu Jan  1 00:00:00 1970
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From: Walker, Benjamin <benjamin.walker at intel.com>
Subject: Re: [SPDK] nvme hello_world report error
Date: Thu, 24 Jan 2019 16:59:21 +0000
Message-ID: <86c7cc3c8644819cd4fba8d96f7b11affa62034f.camel@intel.com>
In-Reply-To: cef933d4-4e4f-6902-4562-9686d6a7f6b2@gmx.com
List-ID: <spdk@lists.01.org>
To: spdk@lists.01.org

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On Thu, 2019-01-24 at 13:35 +0800, cgxu519 wrote:
> Have you unbound kernel driver?

Based on the error message I think this is the problem. Run SPDK's
scripts/setup.sh with root privileges to correctly set up NVMe disks for use
with user space drivers.

If you've already done that, run `scripts/setup.sh status` and send us the
output.

Thanks,
Ben

> =

> =

> Thanks,
> Chengguang
> =

> On 1/24/19 1:23 PM, Jing Liu wrote:
> > Hi,
> > =

> > I started from trying the hello_world in examples/nvme/ but got errors =
like
> > this:
> > """
> > Starting SPDK v18.04.1 / DPDK 18.02.0 initialization...
> > [ DPDK EAL parameters: hello_world -c 0x1 --file-prefix=3Dspdk0
> > --base-virtaddr=3D0x1000000000 --proc-type=3Dauto ]
> > EAL: Detected 16 lcore(s)
> > EAL: Auto-detected process type: PRIMARY
> > EAL: No free hugepages reported in hugepages-1048576kB
> > EAL: Debug dataplane logs available - lower performance
> > EAL: Multi-process socket /var/run/.spdk0_unix
> > EAL: Probing VFIO support...
> > EAL:   no supported IOMMU extensions found!
> > EAL: VFIO support could not be initialized
> > Initializing NVMe Controllers
> > EAL: PCI device 0000:05:00.0 on NUMA socket 0
> > EAL:   probe driver: 144d:a802 spdk_nvme
> > EAL: Requested device 0000:05:00.0 cannot be used
> > no NVMe controllers found
> > """
> > kernel: 4.7, SSD: Samsung Electronics Co Ltd Device a802
> > =

> > After days of searching I still cannot figure out the problem. I'm
> > wondering if I can get some clue about this error?
> > =

> > Thanks,
> > Jing
> > _______________________________________________
> > SPDK mailing list
> > SPDK(a)lists.01.org
> > https://lists.01.org/mailman/listinfo/spdk
> =

> _______________________________________________
> SPDK mailing list
> SPDK(a)lists.01.org
> https://lists.01.org/mailman/listinfo/spdk


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