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  1. RHEL
  2. RHEL-23067

QEMU when creating VFs with IGB checksum breaks

    • qemu-kvm-9.0.0-1.el9
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    • 89a8de364b51db8107d2a210314431885ac52238
    • rhel-sst-virtualization-networking
    • ssg_virtualization
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    • 5
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    • Red Hat Enterprise Linux
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    • RegressionOnly
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      What were you trying to do that didn't work?

       
      [root@opr-k8s-1-worker-0 centos]# echo 0 > /sys/bus/pci/devices/0000\:15\:00.0/sriov_numvfs 
      [root@opr-k8s-1-worker-0 centos]# crictl pull ghcr.io/k8snetworkplumbingwg/sriov-network-device-plugin
      Image is up to date for ghcr.io/k8snetworkplumbingwg/sriov-network-device-plugin@sha256:016005b36db01a8a0f56100d6dab62ee7ef7bb943b1ec3028165985b1cd090ec
      [root@opr-k8s-1-worker-0 centos]# echo 5 > /sys/bus/pci/devices/0000\:15\:00.0/sriov_numvfs 
      [root@opr-k8s-1-worker-0 centos]
      [root@opr-k8s-1-worker-0 centos]# crictl pull ghcr.io/k8snetworkplumbingwg/sriov-network-device-plugin
      E0124 11:09:20.702936   33208 remote_image.go:171] "PullImage from image service failed" err="rpc error: code = Unknown desc = pinging container registry ghcr.io: Get \"https://ghcr.io/v2/\": dial tcp 140.82.113.34:443: i/o timeout" image="ghcr.io/k8snetworkplumbingwg/sriov-network-device-plugin"FATA[0060] pulling image: rpc error: code = Unknown desc = pinging container registry ghcr.io: Get "https://ghcr.io/v2/": dial tcp 140.82.113.34:443: i/o timeout

      Instead of crictl pull you can just try to access and HTTP/https web server

       

      To workaround this issue I disable the offloading and that makes the VM network working again

       

      ethtool --offload eth1 rx off tx off
      ethtool -K eth1 gso off 

              aodaki Akihiko Odaki
              sscheink@redhat.com Sebastian Scheinkman
              Akihiko Odaki Akihiko Odaki
              Lei Yang Lei Yang
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                Created:
                Updated:
                Resolved: