when dpdk-process is running, server machine breakdown while offload igb_uio or vfio_pci.

[羁绊]

    hi，i'm so sorry to disturb, but i got a question which stuck me for a long time.
when dpdk-process is running, assuming that dpdk use a NIC named eth0, and eth0 insmod a i40e drivers before, then when i offload the NIC from igb_uio/vfio_pci to i40e, and stop the dpdk-process . my server machine will shutdown.
    i wonder how can i stop this happen?   looking forward to your reply! thank you very much

best regards


linux kernel : Linux localhost.localdomain 3.10.0-1160.45.1.el7.x86_64 #1 SMP Wed Oct 13 17:20:51 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
centos : 7.4
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