[Qemu-devel] [Bug 1744009] [NEW] qemu for windows fails to use multicast socket as netdev

[qihaimou]

Public bug reported:

My host OS is Windows 7 x64 SP1. I installed qemu for windows from
https://qemu.weilnetz.de/w64/.The version is 2.10.1,
qemu-w64-setup-20171006.exe. I run qemu with the following command:

qemu-system-x86_64.exe -net nic -net socket,mcast=234.5.5.5:6000
disk1.qcow2

It stopped with error:
bind: Unknown error
qemu-system-x86_64.exe: -net socket,mcast=234.5.5.5:6000: Device 'socket' could 
not be initialized

Using the -netdev option has the same problem:
qemu-system-x86_64.exe -netdev socket,id=hostnet0,mcast=234.5.5.5:6000 -device 
e1000,netdev=hostnet0 disk1.qcow2

I tried many versions from https://qemu.weilnetz.de/w64/, but none of
them could work.

** Affects: qemu
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1744009

Title:
  qemu for windows fails to use multicast socket as netdev

Status in QEMU:
  New

Bug description:
  My host OS is Windows 7 x64 SP1. I installed qemu for windows from
  https://qemu.weilnetz.de/w64/.The version is 2.10.1,
  qemu-w64-setup-20171006.exe. I run qemu with the following command:

  qemu-system-x86_64.exe -net nic -net socket,mcast=234.5.5.5:6000
  disk1.qcow2

  It stopped with error:
  bind: Unknown error
  qemu-system-x86_64.exe: -net socket,mcast=234.5.5.5:6000: Device 'socket' 
could not be initialized

  Using the -netdev option has the same problem:
  qemu-system-x86_64.exe -netdev socket,id=hostnet0,mcast=234.5.5.5:6000 
-device e1000,netdev=hostnet0 disk1.qcow2

  I tried many versions from https://qemu.weilnetz.de/w64/, but none of
  them could work.

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