Re: [dpdk-users] i need a help about invalid numasocket

["Wiles, Keith" <keith.wiles@intel.com>]

> On Dec 20, 2017, at 9:14 AM, Stephen Hemminger <stephen@networkplumber.org> wrote:
> 
> On Wed, 20 Dec 2017 16:56:00 +0900
> 박준하<wnsgkqkr@naver.com> wrote:
> 
>> Thank you Shreyansh Jain.
>> I tried to change -n 1 but i got same problem.
>> this is log.
>> 
>> root@jh-desktop:/home/jh/dpdk-17.11/examples/helloworld# ./build/app/helloworld -l 0-3 -n 1 
>> EAL: Detected 4 lcore(s)
>> EAL: Probing VFIO support...
>> EAL: PCI device 0000:00:1f.6 on NUMA socket -1
>> EAL:   Invalid NUMA socket, default to 0
>> EAL:   probe driver: 8086:15b8 net_e1000_em
>> EAL: PCI device 0000:01:00.0 on NUMA socket -1
>> EAL:   Invalid NUMA socket, default to 0
>> EAL:   probe driver: 8086:1528 net_ixgbe
>> EAL: PCI device 0000:01:00.1 on NUMA socket -1
>> EAL:   Invalid NUMA socket, default to 0
>> EAL:   probe driver: 8086:1528 net_ixgbe
>> hello from core 1
>> hello from core 2
>> hello from core 3
>> hello from core 0 
>> 
> 
> 
> Ignore the warning "Invalid NUMA socket" it is meaningless.
> If the platform does not support NUMA or kernel is compiled without NUMA support
> than the sysfs file for numa node is not present, and DPDK applications default
> to all 0

This is a case were the message Invalid NUMA should be changed to a DEBUG log and the ‘on NUMA socket -1’ should just report 0 not -1.

Regards,
Keith