[ovs-discuss] ovs-2.8 Cannot open /dev/uio0

[Shivaram Mysore]

What is the output of the following commands:


lshw -c network -businfo

lspci | egrep -i --color 'network|ethernet'

lsmod | grep uio

/sbin/dpdk-devbind --status


On Mon, Nov 13, 2017 at 9:29 PM, 王嵘 <rong.wang at easystack.cn> wrote:

> I just want to use ovs-2.8 for userspace connection-track, and I choose
> the  latest LST DPDK 1705.
> But, you mean theres is something like broadcom-uio.ko when using broadcom
> NIC?
> I just have changed the  config/common_base:
>
> CONFIG_RTE_LIBRTE_BNX2X_PMD=y
> CONFIG_RTE_LIBRTE_BNX2X_DEBUG=y
> CONFIG_RTE_LIBRTE_BNX2X_DEBUG_INIT=y
> CONFIG_RTE_LIBRTE_BNX2X_DEBUG_RX=y
> CONFIG_RTE_LIBRTE_BNX2X_DEBUG_TX=y
> CONFIG_RTE_LIBRTE_BNX2X_MF_SUPPORT=y
> CONFIG_RTE_LIBRTE_BNX2X_DEBUG_PERIODIC=y
>
>
>
>
> 在 2017-11-14 12:49:44，"Shivaram Mysore" <shivaram.mysore at gmail.com> 写道：
>
> Is there a specific reason as to why you would want to use this version of
> DPDK?  I have never had to check permission.
>
> Also, igb is mainly for Intel NICs.  You are using a Broadcom NIC -
> http://dpdk.org/doc/guides/nics/bnxt.html for driver info.  I think what
> you have is a misconfiguration.
>
> You may want to check out the scripts here https://github.com/
> shivarammysore/faucetsdn-intel/tree/master/src/ubuntu/zesty/ovs_281 - to
> setup and configure DPDK.  I have only used Intel NICs.
>
> Cheers!
>
> On Mon, Nov 13, 2017 at 6:50 PM, 王嵘 <rong.wang at easystack.cn> wrote:
>
>> hi, I'm using ovs2.8 with dpdk-17052, and the '*NetXtreme II BCM57810 10
>> Gigabit Ethernet 168e*'.
>> There comes the error, while I try to bind the NIC using igb_uio.
>>
>> 2017-11-14T02:25:18.400Z|00362|dpdk|INFO|EAL:   probe driver: 14e4:168e
>> net_bnx2x
>> 2017-11-14T02:25:18.400Z|00363|dpdk|ERR|EAL: Cannot open /dev/uio0:
>> Permission denied
>>
>> Then I chmod the file, like "chmod 777 /dev/uio0",(but I dont think this
>> is right way.)
>> but there comes other files with the same error, and I also chmod them.
>> And I do the actions:
>> chmod 777 /sys/bus/pci/devices/0000:20:00.1/*
>> chmod 777 /sys/class/uio/uio0/device/config
>>
>> Then , restart the ovs-dpdk,
>> But, there comes the following error:
>> 2017-11-14T02:40:05.436Z|8384580|dpdk|ERR|PMD: pci_read(): Can't read
>> from PCI config space
>> 2017-11-14T02:40:05.436Z|8384581|dpdk|ERR|PMD: pci_read(): Can't read
>> from PCI config space
>> 2017-11-14T02:40:05.436Z|8384582|dpdk|ERR|PMD: pci_read(): Can't read
>> from PCI config space
>> 2017-11-14T02:40:05.436Z|8384583|dpdk|ERR|PMD: pci_read(): Can't read
>> from PCI config space
>> 2017-11-14T02:40:05.436Z|8384584|dpdk|INFO|PMD: bnx2x_pci_get_caps():
>> Failed to allocate memory
>> 2017-11-14T02:40:05.436Z|8384585|dpdk|INFO|PMD: bnx2x_attach(): PCIe
>> caps reading was failed
>> 2017-11-14T02:40:05.436Z|8384586|dpdk|ERR|PMD: bnx2x_common_dev_init():
>> bnx2x_attach failed (-12)
>> 2017-11-14T02:40:05.436Z|8384587|dpdk|ERR|EAL: Requested device
>> 0000:20:00.1 cannot be used
>>
>> So, why there comes the Permission prolem? And what should I do for the
>> PCIe error? Or it is the NIC drivers' problem?
>> Thanks a lot.
>>
>>
>> _______________________________________________
>> discuss mailing list
>> discuss at openvswitch.org
>> https://mail.openvswitch.org/mailman/listinfo/ovs-discuss
>>
>>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.openvswitch.org/pipermail/ovs-discuss/attachments/20171114/5799b58b/attachment.html>