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Hi
I have a compute node of openstack juno running 2 vms.
Each vm have a nic which is a sriov vf.
In each vm i read packet with dpdk in user space from the sriov vf.
All the 2 vm receive traffic ok.
If in one of the vm i kill the dpdk processes that is listening to the sriov vf , the other vm stop receiving traffic.
Why is one vm/vf influenced by the other?
If i look in the host side with ethtool -S, i can see that all packet are Rx dropped at rx_missed_errors.
Here is the output of lspci
0b:00.1 Ethernet controller: Intel Corporation 82599ES 10-Gigabit SFI/SFP+ Network Connection (rev 01)
0b:10.1 Ethernet controller: Intel Corporation 82599 Ethernet Controller Virtual Function (rev 01)
ethtool -i eth1
driver: ixgbe
version: 3.15.1-k
firmware-version: 0x80000811
bus-info: 0000:0b:00.1
supports-statistics: yes
supports-test: yes
supports-eeprom-access: yes
supports-register-dump: yes
supports-priv-flags: no
uname -a
Linux node-40.domain.tld 3.13.0-74-generic # 118-Ubuntu SMP Thu Dec 17 22:52:10 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
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Hi mailto:Yaron@Radcom Yaron@Radcom,
Thank your for the post. For inquiries which has DPDK concern, you may access to he Intel® Premier Support site at
http://premier.intel.com/premier http://premier.intel.com/premier or access your IBL account and click
the Intel® Premier Support link to enter issues under the Product Name
"Data Plane Development Kit (DPDK)", the support team will further assist on this.
rdgs,
wb
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