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

[chao zhou]

Public bug reported:

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:
----------------------

** Affects: qemu
     Importance: Undecided
         Status: New

-- 
You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.
https://bugs.launchpad.net/bugs/1364249

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

Status in QEMU:
  New

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:
  ----------------------

To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1364249/+subscriptions