From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Subject: Re: Getting error while running DPDK test app on X-Gene1
Date: Thu, 14 Jan 2016 09:45:04 +0530
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Cc: dev@dpdk.org, Jitendra Kanitkar <jkanitkar@apm.com>,
 Pranavkumar Sawargaonkar <psawargaonkar@apm.com>
To: Ankit Jindal <ajindal@apm.com>
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On Wed, Jan 13, 2016 at 03:52:01PM +0530, Ankit Jindal wrote:
> Hi,
> 
> We are trying to run dpdk on our arm64 based SOC having Intel 10G
> ixgbe PCIe card plugged. While running any test app, we are getting
> following error.
> 
> EAL: PCI device 0000:01:00.0 on NUMA socket 0
> EAL:   probe driver: 8086:10fb rte_ixgbe_pmd
> EAL: Cannot open /sys/bus/pci/devices/0000:01:00.0/resource0: No such
> file or directory
> EAL: Error - exiting with code: 1
>   Cause: Requested device 0000:01:00.0 cannot be used


pci resource creation patch is not yet part of the arm64 mainline kernel.
The following patch should fix the problem.

http://lists.infradead.org/pipermail/linux-arm-kernel/2015-July/358906.html

Jerin

> 
> Below are the details on modules, hugepages and device binding.
> root@arm64:~# lsmod
> Module                  Size  Used by
> rte_kni               292795  0
> igb_uio                 4338  0
> ixgbe                 184456  0
> 
> root@arm64:~/dpdk# cat /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages
> 2048
> 
> root@arm64:~/dpdk# ./tools/dpdk_nic_bind.py --status
> 
> Network devices using DPDK-compatible driver
> ============================================
> 0000:01:00.0 '82599ES 10-Gigabit SFI/SFP+ Network Connection'
> drv=igb_uio unused=
> 0000:01:00.1 '82599ES 10-Gigabit SFI/SFP+ Network Connection'
> drv=igb_uio unused=
> 
> Network devices using kernel driver
> ===================================
> <none>
> 
> Other network devices
> =====================
> <none>
> root@arm64:~/dpdk#
> 
> Thanks,
> Ankit