[Bug 1530278] Re: vhost-user: can not detach chardev which is used by vhost-user backend

[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/1530278

Title:
  vhost-user: can not detach chardev which is used by vhost-user backend

Status in QEMU:
  Expired

Bug description:
  I launch a VM which use vhost-user netdevice as follows.When detach the 
netdevice in qemu monitor, the chardevice which used by the netdevice also 
should be deatched.The netdevice can be detached sucessfully.But the chardevice 
 failed when it was being detaching.   
  Full command line :
  qemu-system-x86_64 \
  -cpu host -boot c -hda /home/lining/ubuntu_12_04.img -snapshot -m 2048 -smp 2 
\
  --enable-kvm -name "client1" -vnc :1 \
  -object 
memory-backend-file,id=mem,size=2048M,mem-path=/dev/hugepages,share=on -numa 
node,memdev=mem \
  -chardev socket,id=chr1,path=/opt/network/ovdk/bin/vhost-user \
  -netdev vhost-user,id=net12,chardev=chr1,ifname=port80, vhostforce \
  -device virtio-net-pci,netdev=net12,mac=00:00:00:00:00:01,\
  
csum=off,gso=off,guest_tso4=off,guest_tso6=off,guest_ecn=off,guest_ufo=off,any_layout=off

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