Hi，
we are using 17.04 in a vm with i40e vf (x710 in the host)。we find that if
the PF reset in the host, the vf interface will not receive packets any more.
In dpdk 2.2, it's a known issues. And I can not find whether the issus still
exist in dpdk 17.02 or how to avoid the problem.
we don't have much expericence in the nic，hope someone knows how to fix it.
Thanks
message in the host:
Aug 24 17:50:13 cn-guz-01-09 kernel: i40e 0000:04:00.3: TX driver issue
detected, PF reset issued
Aug 24 17:50:13 cn-guz-01-09 kernel: i40e 0000:04:00.3: TX driver issue
detected on VF 2
Aug 24 17:52:10 cn-guz-01-09 kernel: i40e 0000:04:00.3: TX driver issue
detected, PF reset issued
Aug 24 17:52:10 cn-guz-01-09 kernel: i40e 0000:04:00.3: TX driver issue
detected on VF 2
interface detail in the vm
root@ubuntu:~# vppctl show hardware-interfaces detail
Name Idx Link Hardware
FortyGigabitEthernet0/4/0 1 up FortyGigabitEthernet0/4/0
Ethernet address 52:54:00:89:40:e9
Intel X710/XL710 Family VF
carrier up full duplex speed 10000 mtu 1500
pci id: device 8086:154c subsystem 8086:0000
pci address: 0000:00:04.00
max rx packet len: 9728
max num of queues: rx 4 tx 4
promiscuous: unicast off all-multicast off
vlan offload: strip on filter off qinq off
rx offload caps: vlan-strip ipv4-cksum udp-cksum tcp-cksum qinq-strip
tx offload caps: vlan-insert ipv4-cksum udp-cksum tcp-cksum sctp-cksum
qinq-insert
rss active: none
rss supported: ipv4-frag ipv4-tcp ipv4-udp ipv4-sctp ipv4-other
ipv6-frag
ipv6-tcp ipv6-udp ipv6-sctp ipv6-other l2-payload
rx queues 1, rx desc 1024, tx queues 2, tx desc 1024
extended stats:
rx good packets 0
tx good packets 0
rx good bytes 0
tx good bytes 0
rx errors 0
tx errors 0
rx mbuf allocation errors 0
rx q0packets 0
rx q0bytes 0
rx q0errors 0
tx q0packets 0
tx q0bytes 0
tx q1packets 0
tx q1bytes 0
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