[Qemu-devel] [Bug 1495380] Re: Invalid parameter 'queues'. multi-queue vhost-user backends does not work.

[Michael liu]

You should use qemu 2.5.0.

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https://bugs.launchpad.net/bugs/1495380

Title:
  Invalid parameter 'queues'. multi-queue vhost-user backends does not
  work.

Status in QEMU:
  New

Bug description:
  The command line which I use:
  /usr/bin/qemu-system-x86_64 -name instance-00000006 -S -machine 
pc-i440fx-2.4,accel=kvm,usb=off -cpu 
Haswell-noTSX,+abm,+pdpe1gb,+rdrand,+f16c,+osxsave,+pdcm,+xtpr,+tm2,+est,+smx,+vmx,+ds_cpl,+monitor,+dtes64,+pbe,+tm,+ht,+ss,+acpi,+ds,+vme
 -m 1024 -realtime mlock=off -smp 1,sockets=1,cores=1,threads=1 -object 
memory-backend-file,id=ram-node0,prealloc=yes,mem-path=/hugepages/libvirt/qemu,share=yes,size=1073741824
 -numa node,nodeid=0,cpus=0,memdev=ram-node0 -uuid 
54d61ffc-c8cf-4227-9610-96bcf1590984 -smbios 
type=1,manufacturer=OpenStack,product=OpenStack,version=2014.1.3,serial=44454c4c-3300-1043-804c-b5c04f463532,uuid=54d61ffc-c8cf-4227-9610-96bcf1590984
 -no-user-config -nodefaults -mon chardev=charmonitor,id=monitor,mode=control 
-rtc base=utc,driftfix=slew -global kvm-pit.lost_tick_policy=discard -no-hpet 
-no-shutdown -boot strict=on -device 
piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 -drive 
file=/var/lib/nova/instances/54d61ffc-c8cf-4227-9610-96bcf1590984/disk,if=none,id=drive-virtio-disk0,format=qcow2,cache=none
 -device 
virtio-blk-pci,scsi=off,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1
 -chardev socket,id=charnet0,path=/var/run/vrouter/uvh_vif_tap35abd3c0-4f 
-netdev type=vhost-user,id=hostnet0,chardev=charnet0,queues=5 -device 
virtio-net-pci,netdev=hostnet0,id=net0,mq=on,mac=02:35:ab:d3:c0:4f,bus=pci.0,mq=on,addr=0x3
 -chardev 
file,id=charserial0,path=/var/lib/nova/instances/54d61ffc-c8cf-4227-9610-96bcf1590984/console.log
 -device isa-serial,chardev=charserial0,id=serial0 -chardev pty,id=charserial1 
-device isa-serial,chardev=charserial1,id=serial1 -device usb-tablet,id=input0 
-vnc 10.10.6.14:0 -k en-us -device cirrus-vga,id=video0,bus=pci.0,addr=0x2 
-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x5 -msg timestamp=on

  The error information :
  2015-09-14T06:16:05.914264Z qemu-system-x86_64: -netdev 
type=vhost-user,id=hostnet0,chardev=charnet0,queues=5: Invalid parameter 
'queues'

  qemu version:
  address@hidden:~# qemu-system-x86_64 --version
  QEMU emulator version 2.4.0, Copyright (c) 2003-2008 Fabrice Bellard
  address@hidden:~# 

  ubuntu version:
  address@hidden:~# lsb_release -a
  No LSB modules are available.
  Distributor ID: Ubuntu
  Description:    Ubuntu 14.04.1 LTS
  Release:        14.04
  Codename:       trusty
  address@hidden:~# 

  kernel version:
  address@hidden:~# uname -a
  Linux ubuntu 3.13.0-32-generic #57-Ubuntu SMP Tue Jul 15 03:51:08 UTC 2014 
x86_64 x86_64 x86_64 GNU/Linux
  address@hidden:~#

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