[Bug 1912857] Re: virtio-serial blocks hostfwd ssh on windows 10 host

[Launchpad Bug Tracker]

[Expired for QEMU because there has been no activity for 60 days.]

** Changed in: qemu
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1912857

Title:
  virtio-serial blocks hostfwd ssh on windows 10 host

Status in QEMU:
  Expired

Bug description:
  qemu-system-x86_64
    -display none
    -hda archlinux.qcow2
    -m 4G
    -netdev user,id=n1,hostfwd=tcp::2222-:22
    -device virtio-net-pci,netdev=n1

  --> THIS WORKS - meaning I can ssh into the vm via port 2222

  qemu-system-x86_64
    -display none
    -hda archlinux.qcow2
    -m 4G
    -netdev user,id=n1,hostfwd=tcp::2222-:22
    -device virtio-net-pci,netdev=n1
    -device virtio-serial
    -device virtserialport,chardev=cid0
    -chardev socket,id=cid0,host=localhost,port=55298,server,nowait

  --> DOES NOT WORK - meaning I cannot ssh into the vm

  Not only does the port 2222 not work, but I am not able to perform any
  serial transfer on port 55298 as well.

  The following doesn't work either:

  qemu-system-x86_64
    -display none
    -hda archlinux.qcow2
    -m 4G
    -netdev user,id=n1,hostfwd=tcp::2222-:22
    -device virtio-net-pci,netdev=n1
    -device virtio-serial
    -device virtserialport,chardev=cid0
    -chardev file,id=cid0,path=mypath

  No matter which character device I use for my virtserialport
  communication (socket or udp or file or pipe), the hostfwd doesn't
  work.

  Also, if I enable the display, I am unable to type anything in the
  emulator window when I use virtserialport.

  Host: Windows 10
  Guest: archlinux
  QEMU version 5.2

  The same thing works just fine on a Mac OS X host (tested on Big Sur)

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