Hi, Damjan I look into the code. The bad commit is ce4083ce48958d9d3956e8317445a5552780af1a (“dpdk: offloads cleanup”), and the previous commit is correct, so I compare these two. Since they use the same DPDK version, I check the input of rte API.
I find that the direct cause is configuring default RSS in DPDK. It is called by *dpdk_device_setup()* in dpdk plugins, the API function is *rte_eth_dev_configure()*. However, the bad commit and the good commit have almost the same input to *rte_eth_dev_configure()* , the only difference is a Tx offload flag (TX_IPV4_CSUM), but I think it is not the root cause because it does not help after I fix it. Since they have the same input to dpdk API, I think it is not DPDK's issue. I find there are a lot of flags or offloads configuring change in commit (“dpdk: offloads cleanup”). I guess is it possible that some flags are not correct? I look at the code in *dpdk_lib_init()* , but do not find the cause yet. Do you have any suggestion to me? Thanks! Best Regards, Xu Ting
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