Re: [dpdk-dev] example/kni failed

[Ferruh Yigit <ferruh.yigit@intel.com>]

On 12/5/2019 10:50 AM, hy_gzr wrote:
> when I run the example/kni -l0-4 -- -P -p1 -m --config="(0,1,2)" in my physical machine,
> I don't get the dpdk virtual networke interface vEth(N) by ifconfig and the virtual interface is not active.
> but, I run the example in vm (linux in vmware),I can get a active virtual interface, 
> so,,,why is not active in physical machin ? thanks!
> dmesg of insmod igb_uio:
> [  634.971691] igb_uio: loading out-of-tree module taints kernel.
> [  634.971898] igb_uio: module verification failed: signature and/or required key missing - tainting kernel
> [  634.972563] igb_uio: Use MSIX interrupt by default
> [  635.250107] igb 0000:02:00.0: removed PHC on eth0
> [  635.318925] igb_uio 0000:02:00.0: mapping 1K dma=0x82cae2000 host=ffff99a96cae2000
> [  635.318950] igb_uio 0000:02:00.0: unmapping 1K dma=0x82cae2000 host=ffff99a96cae2000
> 
> 
> 
> dmesg of run example kni
> [  978.094385] igb_uio 0000:02:00.0: irq 35 for MSI/MSI-X
> [  978.094435] igb_uio 0000:02:00.0: uio device registered with irq 35
> [  978.402505] rte_kni: Creating kni...
> [ 1003.513392] rte_kni: Successfully release kni named vEth0
> 
> 
> OS:centos 7.2.1511
> kernel 3.10.0-1062.4.3.el7.x86_64
> network:I350 Gigabit Network Connection 1521
> thanks!
>     
> 

Hi hy_gzr,

It is working fine in my environment. Can you please run with
'--log-level=lib.eal:debug' eal argument and shared the logs? Specially
interested in line with 'IOVA' keyword, since that is the change in last release.

Regards,
ferruh