Public bug reported:
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
** Affects: qemu
Importance: Undecided
Status: New
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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:
New
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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