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Dale Bewley

DaleBewley FirstnameLastname-head.png I'm vegan and I mountain bike a lot.


Activities within Fedora

Wiki Work

FWN Virtualization Beat

192, 191, 190, 189, 188, 187, 186, 185, 184, 183, 182, 181, 180, 179, 178, 177, 176, 175, 174, 173, 172 171, 170, 169, 168, 167, 166, 165, 164, 163 162, 161, 160, 159, 158, 157, 156, 155, 154, 153, 152, 151, 150, 149, 148, 147, 146, 145, 144, 143, 142, 141, 140, 139, 138, 137

Docs Virtualization Beat

Virtualization Quick Start

Virtualization Release Notes

Previous Fedora Virtualization Release Notes:

F12, F11, F10, F9, F8

Release Notes Howto

F13 Virtualization Release Notes



F12 Virtualization Release Notes

For the moment, I have copied the F11 Virtualization Release Notes for use in constructing the F12 notes.



  • VirtioSerial Adds a virtio-serial device to guests running on top of qemu and kvm - accepted
  • VirtgPXE Replace the deprecated etherboot pxe booting infrastructure with the more modern and currently upstream supported gpxe. - accepted
  • libguestfs Libguestfs is a library for accessing and modifying virtual machine disk images. guestfish is an interactive shell tool for editing virtual machine disk images. - accepted
Technically, this actually launched in F11, but not as a "Feature"
  • SR-IOV Single Root I/O Virtualization (SR-IOV) is a PCI feature which allows virtual functions (VF) to be created that share the resources of a physical function (PF). - accepted
  • KVM Huge Page Backed Memory - Enable KVM guests to use huge page backed memory in order to reduce memory consumption and improve performance by reducing CPU cache pressure. - accepted
  • KVM qcow2 Performance - Improve the I/O performance of virtual machines using disk images in the qcow2 image format. - accepted
  • Network Interface Management - Provide tools to easily set up commonly used network configurations, like bridges, bonds, vlan's and sensible combinations thereof, in particular for virtualized hosts. - accepted
  • KSM - Allow KVM guest virtual machines to share identical memory pages. This is especially useful when running multiple guests from the same or similar base operating system image. Because memory is shared, the combined memory usage of the guests is reduced. - accepted
  • KVM NIC Hotplug - Allow the addition of a guest network interface (NIC) a guest virtual machine without needing to restart the guest. - accepted
  • KVM Stable Guest ABI - Allow guest virtual machines to be presented with the same application binary interface across QEMU upgrades. - accepted
  • Virt Privileges - Improve security by adjusting the privileges of QEMU processes managed by libvirt. Also, allow KVM to be used by unprivileged users. - accepted
  • Virt Storage Management - Enable VM hosts to discover new SAN storage and issue NPIV operations. - accepted

Not exactly an accepted feature, but mentioned in rel notes.


Versions also see Virtualization_bugs (script to make table)

Virtualization Package Versions
Package f11 Release f11 Updates (20090906) f12 Release f12 Updates (20090906) Rawhide Rel Notes
Package-x-generic-16.pnglibvirt 0.6.2-8.fc11 0.6.2-17.fc11 0.7.1-0.1.git3ef2e05.fc12 0.7.1-0.1.git3ef2e05.fc12 0.7.1-0.1.git3ef2e05.fc12
Package-x-generic-16.pnglibguestfs n/a 1.0.68-2.fc11 1.0.68-2.fc12 1.0.68-2.fc12 1.0.68-2.fc12
Package-x-generic-16.pngguestfish n/a n/a n/a n/a n/a
Package-x-generic-16.pngnetcf 0.1.0-1.fc10 0.1.0-1.fc11 0.1.0-2.fc12 0.1.0-2.fc12 0.1.0-2.fc12
Package-x-generic-16.pngpython-virtinst 0.400.3-8.fc11 0.400.3-8.fc11 0.500.0-1.fc12 0.500.0-1.fc12 0.500.0-1.fc12
Package-x-generic-16.pngvirt-df 2.1.5-1.fc11 n/a n/a n/a n/a
Package-x-generic-16.pngvirt-inspector n/a n/a n/a n/a n/a
Package-x-generic-16.pngvirt-manager 0.7.0-4.fc11 0.7.0-5.fc11 0.8.0-2.fc12 0.8.0-2.fc12 0.8.0-2.fc12
Package-x-generic-16.pngvirt-mem 0.3.1-6.fc11 0.3.1-6.fc11 0.3.1-9.fc12 0.3.1-9.fc12 0.3.1-9.fc12
Package-x-generic-16.pngvirt-top 1.0.3-4.fc11 1.0.3-4.fc11 1.0.3-5.fc12 1.0.3-5.fc12 1.0.3-5.fc12
Package-x-generic-16.pngvirt-viewer 0.0.3-4.fc11 0.0.3-6.fc11 0.2.0-1.fc12 0.2.0-1.fc12 0.2.0-1.fc12
Package-x-generic-16.pngqemu 0.10-16.fc11 0.10.6-1.fc11 0.10.91-0.9.rc1.fc12 0.10.91-0.9.rc1.fc12 0.10.91-0.9.rc1.fc12
Package-x-generic-16.pngxen 3.3.1-11.fc11 3.3.1-11.fc11 3.4.1-3.fc12 3.4.1-3.fc12 3.4.1-3.fc12
Package-x-generic-16.pngxenner 0.46-6.fc11 0.46-6.fc11 0.47-3.fc12 0.47-3.fc12 0.47-3.fc12
Package-x-generic-16.pngxenwatch 0.5.4-2.fc11 0.5.4-2.fc11 0.5.4-3.fc12 0.5.4-3.fc12 0.5.4-3.fc12
Changes to Noteworthy Packages
  • libvirt
  • Interface implementation based on netcf (Laine Stump Daniel Veillard)
  • Add new net filesystem glusterfs (Harshavardhana)
  • Initial VMWare ESX driver (Matthias Bolte)
  • Add support for VBox 3 and event callbacks on vbox (Pritesh Kothari)
  • First version of the Power Hypervisor driver (Eduardo Otubo)
  • Run QEMU guests as an unprivileged user (Daniel P. Berrange)
  • Support cgroups in QEMU driver (Daniel P. Berrange)
  • QEmu hotplug NIC support (Mark McLoughlin)
  • Storage cloning for LVM and Disk backends(Cole Robinson)
  • Switching to GIT (Jim Meyering)
  • create and destroy NPIV support (David Allan)
  • networking in UML driver (Daniel Berrange)
  • HAL driver restart thread safety (Daniel Berrange)
  • capabilities and nodeinfo APIs for LXC (Daniel Berrange)
  • iNUMA API for VBox (Daniel Berrange)
  • dynamically search and use kvm-img qemu-img or qcow-create (Doug Goldstein)
  • fix qemu and kvm version parsing (Mark McLoughlin)
  • serial number for HAL storage (Dave Allan)
  • improve error reporting for virConnectOpen URIs (Daniel Berrange)
  • include OS driver name in device XML (Daniel Berrange)
  • fix qemu command flags fetching (Cole Robinson)
  • check that qemu support -drive format= (Cole Robinson)
  • improve emulator detection (Cole Robinson)
  • changes to config parser to accomodate VMX syntax (Matthias Bolte)
  • update network schemas and driver for missing elements (Satoru SATOH)
  • avoid changing file context if not needed (Tim Waugh)
  • skip labelling if no src path (Cole Robinson)
  • add arm emulation if qemu-system-arm is present (C.J. Adams-Collier)
  • new API virStorageVolCreateXMLFrom (Cole Robinson)
  • full VBox graphic capabilities (Pritesh Kothari)
  • Interface config APIs (Laine Stump)
  • APIs for domain XML conversions (Daniel Berrange)
  • initial version of OpenNebula driver (Abel Miguez Rodriguez)
  • VirtualBox driver support (Pritesh Kothari)
  • virt-xml-validate new command (Daniel Berrange)
  • virt-manager

F11 Virtualization Release Notes

For the moment, I have copied the F10 Virtualization Release Notes for use in construction the F11 notes.

Preliminary Schedule:

  • Prepare Alpha Release Notes (1 page) Mon 2009-02-02 Tue 2009-02-03
  • Post Final Alpha Release Notes Tue 2009-02-03 Tue 2009-02-03
  • Prepare Beta Release Notes (1 page) Mon 2009-03-23 Mon 2009-03-23
  • Post Beta Release Notes One-Page Mon 2009-03-23 Mon 2009-03-23






Versions also see Virtualization_bugs (script to make table)

Virtualization Package Versions
Package f10 Release f10 Updates (20090516) f11 Release f11 Updates (20090516) Rawhide (20090516) Rel Notes
Package-x-generic-16.pngkvm 74-5.fc10 74-10.fc10 n/a n/a n/a
Package-x-generic-16.pnglibvirt 0.4.6-3.fc10 0.5.1-2.fc10 0.6.2-8.fc11 0.6.2-8.fc11 0.6.2-8.fc11
Package-x-generic-16.pnglibguestfs n/a n/a n/a 1.0.21-3.fc11 n/a
Package-x-generic-16.pngpython-virtinst 0.400.0-4.fc10 0.400.0-5.fc10 0.400.3-8.fc11 0.400.3-8.fc11 0.400.3-8.fc11 download.html
Package-x-generic-16.pngvirt-df 2.1.4-2.fc10 2.1.5-1.fc10 2.1.5-1.fc11 2.1.5-1.fc11 2.1.5-1.fc11
Package-x-generic-16.pngvirt-manager 0.6.0-3.fc10 0.6.0-5.fc10 0.7.0-4.fc11 0.7.0-4.fc11 0.7.0-4.fc11
Package-x-generic-16.pngvirt-mem 0.2.9-6.fc10 0.2.9-6.fc10 0.3.1-6.fc11 0.3.1-6.fc11 0.3.1-6.fc11
Package-x-generic-16.pngvirt-top 1.0.3-2.fc10 1.0.3-2.fc10 1.0.3-4.fc11 1.0.3-4.fc11 1.0.3-4.fc11
Package-x-generic-16.pngvirt-viewer 0.0.3-3.fc10 0.0.3-3.fc10 0.0.3-4.fc11 0.0.3-4.fc11 0.0.3-4.fc11
Package-x-generic-16.pngqemu 0.9.1-10.fc10 0.9.1-12.fc10 0.10-16.fc11 0.10-16.fc11 0.10-16.fc11
Package-x-generic-16.pngxen 3.3.0-1.fc10 3.3.0-1.fc10 3.3.1-11.fc11 3.3.1-11.fc11 3.3.1-11.fc11
Package-x-generic-16.pngxenner 0.46-3.fc10 0.46-3.fc10 0.46-6.fc11 0.46-6.fc11 0.46-6.fc11
Package-x-generic-16.pngxenwatch 0.5.3-1.fc10 0.5.4-1.fc10 0.5.4-2.fc11 0.5.4-2.fc11 0.5.4-2.fc11

F10 Virtualization Release Notes

Notes on Virtualization features for F10 used to create the F10 releases notes.

  • Need to be done by Wed 2008-10-08 Schedule



Versions also see Virtualization_bugs

Virtualization Package Versions
Package F9 Release F9 Updates (20081110) F10 Release Upstream (20081110) Rel Notes
Package-x-generic-16.pngkvm 65-1 65-10 74-5 78
Package-x-generic-16.pnglibvirt 0.4.2-1 0.4.6-2 0.4.6-3 0.4.6
Package-x-generic-16.pngpython-virtinst 0.300.3-5 0.300.3-7 0.400.0-4 0.400.0
Package-x-generic-16.pngvirt-df n/a 2.1.1-8 2.1.4-2 2.1.4
Package-x-generic-16.pngvirt-manager 0.5.4-3 0.5.4-4 0.6.0-3 0.6.0
Package-x-generic-16.pngvirt-mem n/a n/a 0.2.9-6 0.3.1
Package-x-generic-16.pngvirt-top 1.0.1-4 1.0.3-2 1.0.3
Package-x-generic-16.pngvirt-viewer 0.0.3-1 n/a 0.0.3-3 0.0.3
Package-x-generic-16.pngxen 3.2.0-10 3.2.0-15 3.3.0-1 3.3.0
Package-x-generic-16.pngxenner 0.29-2 0.41-1 0.46-3 0.46
Package-x-generic-16.pngxenwatch n/a 0.5.3-1 0.5.3-1 0.5.3

Misc Virt

Windows KVM Guest and Paravirt NIC Drivers

As seen in FWN#152. The Package-x-generic-16.pngvirt-manager GUI doesn't have the knobs in the UI yet to enable virtio drivers. THe Package-x-generic-16.pnglibvirt framework underneath does support it, so it can be done by hand. Here's how.

  • Download the drivers to guest and extract on desktop.
  • Shutdown the guest virsh shutdown winxp
  • Dump the libvirt XML virsh dumpxml winxp > winxp-before.xml, and change the network settings. To the <interface> block add <model type='virtio'/> like this:
[root@seitan virt]# diff -u winxp-before.xml winxp-after.xml 
--- winxp-before.xml	2008-12-01 17:37:39.000000000 -0800
+++ winxp-after.xml	2008-12-01 17:39:21.000000000 -0800
@@ -26,6 +26,7 @@
     <interface type='network'>
+      <model type='virtio'/>
       <mac address='54:52:00:03:09:01'/>
       <source network='default'/>
       <target dev='vnet0'/>
  • Redefine the domain with the altered config: virsh define winxp-after.xml
  • Start the guest virsh start winxp, and install the drivers within Windows when the new hardware detection wizard pops up.

See also: