xen_emul_unplug=unnecessary (kernel arg) may help you here.
Also udev likes to rename your devices.
Here is a lspci from a guest:
[root@C63-min-tools ~]# lspci
00:00.0 Host bridge: Intel Corporation 440FX - 82441FX PMC [Natoma] (rev 02)
00:01.0 ISA bridge: Intel Corporation 82371SB PIIX3 ISA [Natoma/Triton II]
00:01.1 IDE interface: Intel Corporation 82371SB PIIX3 IDE [Natoma/Triton II]
00:01.3 Bridge: Intel Corporation 82371AB/EB/MB PIIX4 ACPI (rev 03)
00:02.0 Unassigned class [ff80]: XenSource, Inc. Xen Platform Device (rev 01)
00:03.0 VGA compatible controller: Cirrus Logic GD 5446
00:04.0 Ethernet controller: VMware VMXNET3 Ethernet Controller (rev 01)
00:05.0 Ethernet controller: Intel Corporation 82540EM Gigabit Ethernet Controller (rev 03)
00:06.0 Ethernet controller: VMware VMXNET3 Ethernet Controller (rev 01)
00:07.0 Ethernet controller: VMware VMXNET3 Ethernet Controller (rev 01)
00:08.0 Ethernet controller: VMware VMXNET3 Ethernet Controller (rev 01)
00:09.0 Ethernet controller: VMware VMXNET3 Ethernet Controller (rev 01)
00:0a.0 Ethernet controller: VMware VMXNET3 Ethernet Controller (rev 01)
00:0b.0 Ethernet controller: VMware VMXNET3 Ethernet Controller (rev 01)
00:0c.0 Ethernet controller: VMware VMXNET3 Ethernet Controller (rev 01)
00:0d.0 Ethernet controller: Intel Corporation 82540EM Gigabit Ethernet Controller (rev 03)
And to help:
[root@C63-min-tools ~]# ls -l /sys/class/net/*/device
lrwxrwxrwx. 1 root root 0 Dec 19 17:23 /sys/class/net/eth0/device -> ../../../vif-0
lrwxrwxrwx. 1 root root 0 Dec 19 17:23 /sys/class/net/eth1/device -> ../../../vif-1
lrwxrwxrwx. 1 root root 0 Dec 19 17:23 /sys/class/net/eth2/device -> ../../../vif-2
lrwxrwxrwx. 1 root root 0 Dec 19 17:23 /sys/class/net/eth3/device -> ../../../vif-3
lrwxrwxrwx. 1 root root 0 Dec 19 17:23 /sys/class/net/eth4/device -> ../../../vif-4
lrwxrwxrwx. 1 root root 0 Dec 19 17:23 /sys/class/net/eth5/device -> ../../../vif-5
lrwxrwxrwx. 1 root root 0 Dec 19 17:23 /sys/class/net/eth6/device -> ../../../vif-6
lrwxrwxrwx. 1 root root 0 Dec 19 17:23 /sys/class/net/eth7/device -> ../../../vif-7
lrwxrwxrwx. 1 root root 0 Dec 19 17:23 /sys/class/net/eth8/device -> ../../../vif-8
lrwxrwxrwx. 1 root root 0 Dec 19 17:23 /sys/class/net/eth9/device -> ../../../vif-9
lrwxrwxrwx. 1 root root 0 Dec 19 17:21 /sys/class/net/pci-nic0/device -> ../../../0000:00:04.0
lrwxrwxrwx. 1 root root 0 Dec 19 17:21 /sys/class/net/pci-nic1/device -> ../../../0000:00:05.0
lrwxrwxrwx. 1 root root 0 Dec 19 17:21 /sys/class/net/pci-nic2/device -> ../../../0000:00:06.0
lrwxrwxrwx. 1 root root 0 Dec 19 17:21 /sys/class/net/pci-nic3/device -> ../../../0000:00:07.0
lrwxrwxrwx. 1 root root 0 Dec 19 17:21 /sys/class/net/pci-nic4/device -> ../../../0000:00:08.0
lrwxrwxrwx. 1 root root 0 Dec 19 17:21 /sys/class/net/pci-nic5/device -> ../../../0000:00:09.0
lrwxrwxrwx. 1 root root 0 Dec 19 17:21 /sys/class/net/pci-nic6/device -> ../../../0000:00:0a.0
lrwxrwxrwx. 1 root root 0 Dec 19 17:21 /sys/class/net/pci-nic7/device -> ../../../0000:00:0b.0
lrwxrwxrwx. 1 root root 0 Dec 19 17:21 /sys/class/net/pci-nic8/device -> ../../../0000:00:0c.0
lrwxrwxrwx. 1 root root 0 Dec 19 17:21 /sys/class/net/pci-nic9/device -> ../../../0000:00:0d.0
-Don Slutz
Hello,
In one of my experiment, I am building a Linux VM with Network interface model as “vmxnet3”. I am able to create the VM successfully, but I see that the driver loaded is “vif” and not “vmxnet3”. I am using the following option for the network
interface: vif = [ 'type=ioemu, mac=00:16:3e:00:00:22, bridge=xenbr0, model=vmxnet3' ]
I tried with model as e1000 and it works fine. Lspci command also does not show vmxnet3. Though, qemu device help shows that “vmxnet3” is supported on XEN 4.4.1 version I am using.
I tried searching on internet about the right configuration for vmxnet3 with XEN, but not able to find right information. Can someone please help me on how to create a VM with vmxnet3?
This experiment I am doing to compare the difference between vmxnet3 bandwidth on VMWARE ESXi vs. XEN Server. My sample VM configuration file is:
# This configures an HVM rather than PV guest
builder = "hvm"
# Guest name
name = "rhel-vmxnet3-xen-2.hvm"
# 128-bit UUID for the domain as a hexadecimal number.
# Use "uuidgen" to generate one if required.
# The default behavior is to generate a new UUID each time the guest is started.
#uuid = "XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX"
# Enable Microsoft Hyper-V compatibile paravirtualisation /
# enlightenment interfaces. Turning this on can improve Windows guest
# performance and is therefore recommended
#viridian = 1
# Initial memory allocation (MB)
memory = 8192
# Maximum memory (MB)
# If this is greater than `memory' then the slack will start ballooned
# (this assumes guest kernel support for ballooning)
#maxmem = 512
# Number of VCPUS
vcpus = 8
# Network devices
# A list of 'vifspec' entries as described in
# docs/misc/xl-network-configuration.markdown
vif = [ 'type=ioemu, mac=00:16:3e:00:00:22, bridge=xenbr1, model=vmxnet3' ]
# Disk Devices
# A list of `diskspec' entries as described in
# docs/misc/xl-disk-configuration.txt
disk = [ '/root/rhel_6_4/rhel-vmxnet3-xen-2.img,raw,xvda,rw', 'file:/root/rhel-server-6.4-x86_64-dvd.iso,hdc:cdrom,r' ]
boot='cd'
# Guest VGA console configuration, either SDL or VNC
# sdl = 1
vnc = 2
Thanks,
-Upanshu
Upanshu Singhal
EMC Data Storage Systems, Bangalore, India.
Phone: 91-80-67375604
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