[Qemu-devel] [Bug 1364249] Re: guest can't get ip when create guest with bridge using virtio driver.

[chao zhou]

kvm.git + qemu.git:da01e614_b6011bd8
test on Ivytown_EP
kernel version: 3.17.0
when create guest with bridge, and the bridge network driver is virtio, the 
guest can get ip.
the bug cannot reproduce.

** Changed in: qemu
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1364249

Title:
  guest can't get ip when create guest with bridge using virtio driver.

Status in QEMU:
  Fix Released

Bug description:
  Environment:
  ------------
  Host OS (ia32/ia32e/IA64):ia32e
  Guest OS (ia32/ia32e/IA64):ia32e
  Guest OS Type (Linux/Windows):linux
  kvm.git Commit:c77dcacb397519b6ade8f08201a4a90a7f4f751e
  qemu.git Commit:f2c85a2f36f57f155cda7bc9f7c42b44f1a2439e
  Host Kernel Version:3.16.0
  Hardware:Ivytown_EP, Haswell_EP

  Bug detailed description:
  --------------------------
  when create guest with bridge, and the bridge network driver is virtio, the 
guest can not get ip.

  note: 
  1. this is a qemu bug:
  kvm      + qemu-kvm   =  result
  c77dcacb + f2c85a2f    =  bad 
  c77dcacb + 2d591ce2   =  good


  
  Reproduce steps:
  ----------------
  1. create guest:
  qemu-system-x86_64 -enable-kvm -m 2G -smp 4 -device 
virtio-net-pci,netdev=net0,mac=00:12:41:34:51:14 -netdev 
tap,id=net0,script=/etc/kvm/qemu-ifup rhel6u5.qcow

  Current result:
  ----------------
  guest can't get ip with bridge using virtio driver.

  Expected result:
  ----------------
  guest get ip with bridge using virtio driver.

  
  Basic root-causing log:
  ----------------------

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