[ovs-discuss] OVS+DPDK vhost-user-client port hang

王志克 wangzhike at jd.com
Thu Nov 2 05:52:49 UTC 2017


Hi,
I met one issue with qemu2.8.1.1+ovs2.7.0+dpdk16.11.0. The issue is that one windows 2008 VM can NOT send/receive packet anymore. I even can not re-initialize the virtio adapter in VM (no reponse). I can NOT reproduce it.
From OVS+DPDK stats, there is no packet from the vhost-user-client port. The port is Up using ovs-ofctl show.
I observed below log in qemu.

2017-11-02T03:48:48.265767Z qemu-kvm: virtio_ioport_write: unexpected address 0x13 value 0x0
2017-11-02T03:48:50.265766Z qemu-kvm: virtio_ioport_write: unexpected address 0x13 value 0x0
2017-11-02T03:48:52.265764Z qemu-kvm: virtio_ioport_write: unexpected address 0x13 value 0x0
2017-11-02T03:48:54.265750Z qemu-kvm: virtio_ioport_write: unexpected address 0x13 value 0x0
2017-11-02T03:48:55.452554Z qemu-kvm: Failed to set msg fds.
2017-11-02T03:48:55.452591Z qemu-kvm: vhost VQ 0 ring restore failed: -1: Resource temporarily unavailable (11)
2017-11-02T03:48:55.452601Z qemu-kvm: Failed to set msg fds.
2017-11-02T03:48:55.452606Z qemu-kvm: vhost VQ 1 ring restore failed: -1: Resource temporarily unavailable (11)
2017-11-02T03:49:10.040044Z qemu-kvm: terminating on signal 15 from pid 17716 (/usr/sbin/libvirtd)

Does some one met similar issue? Or any idea how to solve it? Thanks

Br,
Wang Zhike
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