[dpdk-users] i need a help about invalid numasocket
Wiles, Keith
keith.wiles at intel.com
Wed Dec 20 16:27:47 CET 2017
> On Dec 20, 2017, at 9:14 AM, Stephen Hemminger <stephen at networkplumber.org> wrote:
>
> On Wed, 20 Dec 2017 16:56:00 +0900
> 박준하<wnsgkqkr at naver.com> wrote:
>
>> Thank you Shreyansh Jain.
>> I tried to change -n 1 but i got same problem.
>> this is log.
>>
>> root at 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
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