KVM - User contributions [en]

Status

2012-10-22T10:45:20Z

DorLaor: Adding a FLOSS weekly KVM interview

=Status=

KVM is included in the mainline linux kernel since 2.6.20 and is stable and fast for most workloads.

It is also available as a patch for recent Linux kernel versions and as an external module that can be used with your favorite distro- provided kernel going back up to 2.6.16, therefore including all latest versions for Enterprise Linux Distributions.

===Working:===

* Intel-based hosts (requires VT capable processors)
* AMD-based hosts (requires SVM capable processors)
* Windows/Linux/Unix guests (32-bit and 64-bit)
* SMP hosts
* SMP guests (as of kvm-61, max 16 cpu supported)
* Live [[Migration]] of guests from one host to another (32-bit and 64-bit)
* See the [[Guest Support Status]] page for a list of guest operating systems known to work
* See the [[Host Support Status]] page for information on host hardware.
* Guest swapping
* [[Paravirtualized networking]]
* [[Paravirtualized block device]]
* [[How_to_assign_devices_with_VT-d_in_KVM|PCI-Express passthrough]]

===In progress:===

* [[PowerPC|PowerPC port]]
* IA64 port
* xenner (http://kraxel.fedorapeople.org/xenner), a project to run x86 xen guest (domU) kernels
* [http://systems.cs.columbia.edu/projects/kvm-arm/ ARM port]
* [[VGA_device_assignment|VGA device assignment]]

===Related===
* [http://twit.tv/show/floss-weekly/229 FLOSS weekly KVM interview by Avi Kivity & Dor Laor]

Guest Support Status

2011-07-07T13:58:14Z

DorLaor:

=Guest Support Status=

- This page is obsolete. qemu/kvm have much newer versions and expected to run all production OSs.

== Windows Family ==
{|border=1
| '''Guest'''
| '''Guest bitness'''
| '''Host version'''
| '''Host cpu'''
| '''Host bitness'''
| '''Status'''
| '''Comments'''

|-
| Windows 2008 Essential Business Server
| 64
| qemu-kvm-0.11.0
| AMD
| 64
| Works
| Installed on 800 MB RAM only. Host is: Ubuntu Server 9.10 64-bit, 3 x 2.7 GHz AMD Athlon X3 425, 2 x 1 GB DDR2 667 MHz, single channel, 4 x 250 GB SATA Samsung 7200 drives: approx. 498 GB RAID 10 volume for host OS and machine images, 4 x 1 GB RAID 0 volume for swap due to low host main memory. USB hardware key works (Hasp), Virtio drivers for LAN and HDD still testing. By Tomaszg.
|-

|-
| Windows 2008 Small Business Server
| 64
| qemu-kvm-0.11.0
| AMD
| 64
| Works (reboot from guest doesn't correctly work)
| Installed on 2 GB RAM, 1 CPU core. Host is: Ubuntu Server 9.10 64-bit, 2 x Six-Core AMD Opteron(tm) Processor 2425 HE, 8 x 4 GB DDR2, ISCSI for Guest discspace. Don't use virtio drivers (harddisc/network), use IDE (harddisc) and e1000 (network) emulation instead. By Mark.
|-

|-
| Windows 2008 Standard
| 64
| qemu-kvm-0.11.0
| AMD
| 64
| Works (reboot from guest doesn't correctly work)
| Installed on 2 GB RAM, 1 CPU core. Host is: Ubuntu Server 9.10 64-bit, 2 x Six-Core AMD Opteron(tm) Processor 2425 HE, 8 x 4 GB DDR2, ISCSI for Guest discspace. Don't use virtio drivers (harddisc/network), use IDE (harddisc) and e1000 (network) emulation instead. By Mark.
|-

|-
| Windows 2008 Standard
| 32
| qemu-kvm-0.11.0
| Intel
| 32
| Works
| Installed on 1.5 GB RAM, 2 CPU core. Host is: Fedora 14 32-bit, Intel(R) Core(TM)2 CPU 6300 @ 1.86GHz, 3 x 1 GB DDR2 + 1 x 2 GB DDR2, single SATA for host, separate SATA for guest. Working just fine with virtio or Realtek for network. CPU usage near 100% when viewing with KVM console, 14% when viewing through Remmina RDP.
|-

|-
| Windows 2008 R2 RTM
| 64
| kvm-88
| Intel
| 64
| Works
| Installs and works with 1GB guest RAM. [http://twitpic.com/dxs0z/full screenshot]
|-

|-
| Windows 2008 R2 Standard
| 64
| qemu-kvm-0.12.5
| Intel
| 64
| Works
| Installed on HP Proliant ML330 G6 with Ubuntu 10.04.1 server host (2.6.32-24-server) with kvm-kmod-2.6.32.16 using 2 CPU and 2GB guest RAM with IDE harddisc and e1000 network emulation. Works great. By Krunoslav Husak (h00s)
|-

|-
| Windows 7 Professional (Final)
| 64
| qemu-kvm-0.12.1.2-1 ARCH-2.6.32
| AMD
| 64
| Works
| using 2CPUs and 2GB guest RAM [http://img715.yfrog.com/img715/2143/win7profnl642proc2gb.png Screenshot]
|-

|-
| Windows 7 RTM
| 32, 64
| kvm-88
| Intel
| 64
| Works
| Installs and works with 1GB guest RAM. [http://twitpic.com/d3gqq/full screenshot]
|-

|-
| Windows 7 RC
| 64
| kvm-72+dfsg-5
| Intel
| 64
| Works
| Installs and works without any problem with 1GB guest RAM.
|-

|-
| Windows 7 Beta
| 64
| kvm-84
| AMD
| 64
| Works
| Installs and works without any problem with 512MB guest RAM.
|-

| Windows 7 Beta
| 32
| kvm-83
| Intel
| 32
| Works
| Installed in about 25-30 minutes and worked flawlessly on my ThinkPad T60 (1953-7EU) with 1.5G of RAM
|-

| Windows 7 Beta
| 32
| kvm-62
| AMD
| 64
| Works
| "-m 2048 -vnc :0 -usbdevice tablet -smp 2 -std-vga" on qcow2
|-

| Windows Server 2008 (Datacenter)
| 64
| kvm-72
| Intel, AMD
| 64
| Works
| by Alexey.E.
|-

| Windows Server 2008 (Datacenter)
| 32
| kvm-72
| Intel, AMD
| 64, 32
| Works
| by Alexey.E.
|-

| Windows Vista Ultimate
| 64
| kvm-84
| Intel, AMD
| 64
| Works
| (not Aero Glass capable) by Alexey.E.
|-

| Windows Vista Ultimate
| 32
| kvm-84
| Intel, AMD
| 64, 32
| Works
| (not Aero Glass capable) by Alexey.E.
|-

| Windows Server 2003 R2 (Std)
| 32
| qemu-kvm-0.11.1
| Intel
| 64
| Works
| Well with virtio drivers by Patrick.M.

|-
| Windows Server 2003 R2 (Std)
| 32
| qemu-kvm-0.13
| Intel
| 64
| Works
| Well with virtio drivers (1.1.13) by Alexandre D.
|-

| Windows Server 2003 x64
| 64
| qemu-kvm-0.13
| Intel, AMD
| 64
| Works
| Well with virtio drivers (1.1.13) by Alexandre D.
|-

| Windows Server 2003 x64
| 64
| kvm-72
| Intel, AMD
| 64
| Works
| by Alexey.E. (setup is unstable, rerun several times)
|-

| Windows Server 2003 (Enterprise)
| 32
| kvm-72
| Intel
| 32, 64
| Works
| by Alexey.E.
|-

| Windows Server 2003 (Enterprise)
| 32
| kvm-72
| AMD
| 64
| Works
| by Alexey.E.
|-

| Windows XP Pro x64
| 64
| kvm-72
| Intel, AMD
| 64
| Works
| by Alexey.E. (setup is unstable, rerun several times)
|-

| Windows XP Pro
| 32
| kvm-72
| Intel
| 32, 64
| Works
| by Alexey.E.
|-

| Windows XP Pro
| 32
| qemu-kvm-0.11.0
| AMD
| 64
| Works
| Installed on standard IDE driver. Swapped to Virtio XP drivers both for LAN and HDD after installation from "NetKVM-and-viostor.iso". Works well so far. by Tomaszg.
|-

| Windows XP Pro
| 32
| kvm-72
| AMD
| 64
| Works
| by Alexey.E.
|-

| Windows 2000 Pro (SP4)
| 32
| kvm-64
| Intel, AMD
| 64
| Works
| use Qcow2 format. (setup is unstable, rerun several times) by Alexey.E.
|-

| Windows 2000 Pro (SP4)
| 32
| kvm-64
| Intel
| 32
| Works
| use Qcow2 format. (setup is unstable, rerun several times) by Alexey.E.
|-

| Windows 2000 Advanced Server
| 32
| kvm-44
| Intel
| 64
| Works
| use Qcow2 format.
|-

| Windows 98SE
| 32
| kvm-63
| Intel
| 32
| Fails
| by Alexey.E. (halts when booting HIMEM)
|-

| Windows 98SE
| 32
| kvm-80, 2.6.27.7
| AMD
| 64
| no way
| install crashes
|-

| Windows NT Server 4.0 sp 1
| 32
| kvm-72, 2.6.30
| Intel
| 64
| Works
| for networking use -net nic,model=ne2k_pci and install rtl8029 guest driver (included in guest OS cd)
|-

| Windows NT Workstation 4.0 (no SP)
| 32
| qemu-kvm 0.12.3, 2.6.33
| AMD
| 64
| Works
| without any SP requires -cpu qemu64,level=1, also use -vga std
|-

| Windows 95
| 32
| kvm-44, 2.6.23-rc8
| AMD
| 64, 32
| no way
|
|}

== Linux Family: Fedora/RedHat Derivatives ==
{|border=1
| '''Guest'''
| '''Guest bitness'''
| '''Host version'''
| '''Host cpu'''
| '''Host bitness'''
| '''Status'''
| '''Comments'''
|-

| CentOS 5.5
| 64
| kvm-83-164.el5.x86_64.rpm
| AMD (Sempron 140)
| 64
| Works
| On USB sticks: ROOT (1,3 GB used) and /var/log with noatime.
|-

| Enterprise Linux 5.4 / Unbreakable Linux
| 64
| kvm-83
| Intel
| 64
| Works
| by Arno-Can Uestuensoez / [http://www.UnifiedSessionsManager.org UnifiedSessionsManager]
|-

| Fedora 13
| 64
| kvm-83
| Intel
| 64
| Works
| by Arno-Can Uestuensoez / [http://www.UnifiedSessionsManager.org UnifiedSessionsManager]
|-

| Fedora 11
| 64
| kvm-87
| Intel
| 64
| Fails
| Anaconda freezes
|-

| Fedora 11
| 32
| kvm-87
| Intel
| 64
| Works
|
|-

| Fedora 11 BETA
| 32, 64
| kvm-84
| Intel
| 64
| Fails
| by Alexey.E. Slowness and softlockups.
|-

|-
| Fedora 10
| 32, 64
| kvm-85
| Intel, AMD
| 64
| Works
| by Alexey.E. Updated by Lennert.B.
|-

| Fedora 9
| 32, 64
| kvm-85
| Intel, AMD
| 64
| Works
| by Alexey.E.
|-

| Fedora 8
| 32, 64
| kvm-85
| Intel, AMD
| 64
| Works
| by Alexey.E.
|-

| Fedora 7
| 32, 64
| kvm-75
| Intel, AMD
| 64
| Works
| by Alexey.E.
|-

| Fedora 6
| 32
| kvm-26
| Intel, AMD
| 32, 64
| Works
|
|-

| Fedora 5
| 32, 64
| kvm-12
| Intel, AMD
| 32, 64
| Works
|
|-

| Fedora 4
| 64
|
| AMD
| 64
| Works, slightly high idle cpu
|by MichaelKarliner
|-

| Fedora 3
| 64
| kvm-78
| AMD
| 64
| Works
| by George Y. Requires noacpi in boot options
|-

| Fedora 1
| 32
| qemu-kvm-0.12.3
| Intel
| 64
| Crashes
| by Patrick.M. KVM freeze unable to kill PID.
|-

| Fedora 1
| 32
| qemu-kvm-0.11.1
| Intel
| 64
| Works
| by Patrick.M.
|-

| RHEL6 beta
| 64
| kvm-83
| Intel
| 64
| Works
| by Arno-Can Uestuensoez / [http://www.UnifiedSessionsManager.org UnifiedSessionsManager]
|-

| RHEL5
| 32, 64
| kvm-85
| Intel, AMD
| 64
| Works
| by Alexey.E.
|-

| RHEL4
| 32, 64
| kvm-85
| Intel, AMD
| 64
| Works
| by Frank.Q. updated by Alexey.E.
|-

| RHEL3
| 32, 64
| kvm-85
| Intel, AMD
| 64
| Works
| by Frank.Q. updated by Alexey.E.
|-

| Red Hat Linux 9
| 32
| kvm-51
| Intel
| 64
| Works
| by Alexey.E.
|-

| Red Hat Linux 8
| 32
| kvm-64
| Intel
| 64
| Crashes
| Fails on init. by Frank.Q.
|-

| Red Hat Linux 7.3
| 32
| kvm-78
| AMD
| 64
| Works
| -no-kvm is required for installation
|-

| Red Hat Linux 7
| 32
| kvm-52
| Intel, AMD
| 64
| Crashes
| Fails on init. by Alexey.E.
|-

| Scientific Linux 5.4.1
| 64
| kvm-83
| Intel
| 64
| Works
| by Arno-Can Uestuensoez / [http://www.UnifiedSessionsManager.org UnifiedSessionsManager]
|-

| Trixbox (CentOS)
| 32
| kvm-12
| Intel
| 64
| Works
|
|-

| CentOS 5.4
| 32
| qemu-kvm-0.12.3
| AMD
| 64
| Crashes
| When installing from the netinstall image, hangs during installation of the first packet.
|}

== Linux Family: Ubuntu/Debian Derivatives ==
{|border=1
| '''Guest'''
| '''Guest bitness'''
| '''Host version'''
| '''Host cpu'''
| '''Host bitness'''
| '''Status'''
| '''Comments'''
|-

| Debian GNU/Linux 5.0
| 64
| kvm-88
| Intel, AMD
| 64
| Works
| 2009/10/22 by Christian Berendt / [http://www.b1-systems.de B1 Systems]
|-

| Debian GNU/Linux 5.0
| 64
| kvm-83
| Intel
| 64
| Works
| by Arno-Can Uestuensoez / [http://www.UnifiedSessionsManager.org UnifiedSessionsManager]
|-

| Ubuntu 10.10
| 64
| kvm-83
| Intel
| 64
| Works
| by Arno-Can Uestuensoez / [http://www.UnifiedSessionsManager.org UnifiedSessionsManager]
|-

| Ubuntu 10.04 LTS
| 32, 64
| kvm-84
| Intel, AMD
| 64
| Works
| 2010/05/15 by KeithW
|-

| Ubuntu 9.04
| 64
| kvm-84
| Intel
| 64
| Works
| It's actually Xubuntu but should be the same both block and net virtio devices working too
|-

| Ubuntu 8.10
| 32
| kvm-85
| Intel, AMD
| 32, 64
| Works
| by Peter.v.V.
|-

| Ubuntu 8.04 LTS
| 32, 64
| kvm-64
| Intel, AMD
| 32, 64
| Works
| by Alexey.E. (some issues with virtio)
|-

| Ubuntu 7.10
| 32, 64
| kvm-62
| Intel,AMD
| 32, 64
| Crashes, Workaround exists
| Install using Qemu, remove GFX boot. by Alexey.E.
|-

| Ubuntu 7.10 Server
| 64
| kvm-60
| AMD
| 64
| Works
| No framebuffer (black screen at first). Hit enter to start installer.
|-

| Ubuntu 7.10 Server
| 32
| kvm-60/61
| Intel
| 64
| Doesn't work
| Installer crashes (by Ryota Ozaki)
|-

| Ubuntu 7.04
| 32, 64
| kvm-62
| Intel,AMD
| 32, 64
| Crashes, Workaround exists
| Install using Qemu, remove GFX boot. by Alexey.E.
|-

| Ubuntu 6.06 LTS Server
| 32
| kvm-20
| Intel
| 32
| Works
| use -no-acpi
|-

| Debian Lenny 5.0
| 64
| qemu-kvm-0.12.3
| Intel
| 64
| Works
| by Patrick. M.
|-

| Debian Lenny 5.0
| 64
| qemu-kvm-0.11.1
| Intel
| 64
| Works
| by Patrick. M.
|-

| Debian Lenny 5.0
| 32, 64
| kvm-72/77
| Intel
| 64
| Works
| Buggy virtio implementation (netinst), crc errors / segfaults after instalation.
|-

| Debian Etch 4.0
| 64
| kvm-72
| Intel, AMD
| 64
| Works
| by Alexey.E.
|-

| Debian Etch 4.0
| 32
| kvm-64
| Intel
| 64, 32
| Works
| by Alexey.E.
|-

| Debian Etch 4.0
| 32
| kvm-64
| AMD
| 64
| FAILS, workaround exists
| by Alexey.E. (manually choose i586 kernel, do not use default "k7" kernel)
|-

| Debian Sarge 3.1
| 32
| kvm-12
| Intel
| 32
| Works
|
|-

| Debian Sarge 3.1
| 32
| kvm-12
| Intel
| 64
| Mostly works
| Install hangs, will install via -no-kvm. Runs fine after
|-

| Xandros 3 OCE
| 32
| kvm-29
| Intel
| 64
| Works
| by Alexey.E.
|-

| KNOPPIX 5.1.1
| 32
| kvm-18
| Intel
| 64
| Works
| use nmi_watchdog=0 or nolapic kernel parameter to boot
|-

| Knoppix 5.2
| 32
| kvm-18
| Intel
| 32
| Works
|
|}

== Other Linux Distros ==
{|border=1
| '''Guest'''
| '''Guest bitness'''
| '''Host version'''
| '''Host cpu'''
| '''Host bitness'''
| '''Status'''
| '''Comments'''
|-

| Android 2.2
| 32
| kvm-83
| Intel
| 64
| Works
| deactivate suspend-mode(Screen timeout), by Arno-Can Uestuensoez / [http://www.UnifiedSessionsManager.org UnifiedSessionsManager]
|-

| SUSE Linux Enterprise Server 11
| 32, 64
| kvm-88
| Intel, AMD
| 64
| Works
| 2009/10/22 by Christian Berendt / [http://www.b1-systems.de B1 Systems]
|-

| SUSE Linux Enterprise Server 10
| 32
| kvm-88
| Intel, AMD
| 64
| Works
| 2009/10/22 by Christian Berendt / [http://www.b1-systems.de B1 Systems]
|-

| openSUSE 11.3
| 64
| kvm-83
| Intel
| 64
| Works
| by Arno-Can Uestuensoez / [http://www.UnifiedSessionsManager.org UnifiedSessionsManager]
|-

| openSUSE 11.2
| 64
| kvm-83
| Intel
| 64
| Works
| by Arno-Can Uestuensoez / [http://www.UnifiedSessionsManager.org UnifiedSessionsManager]
|-

| openSUSE 11.1
| 32, 64
| kvm-88
| Intel, AMD
| 64
| Works
| 2009/10/22 by Christian Berendt / [http://www.b1-systems.de B1 Systems]
|-

| openSUSE 11.1
| 32, 64
| kvm-85
| Intel, AMD
| 64
| Works
| by Alexey.E.
|-

| openSUSE 11.0
| 32, 64
| kvm-85
| Intel, AMD
| 64
| Works
| by Alexey.E.
|-

| openSUSE 10.3
| 32
| kvm-57
| AMD
| 64
| Works
| by Alexey.E.
|-

| openSUSE 10.3
| 32/64
| kvm-64
| Intel
| 64, 32
| Crashes, Workaround exists
| Start kvm with -no-kvm for installation. Remove graphical GRUB. by Alexey.E.
|-

| openSUSE 10.2
| 32/64
| kvm-28/kvm-51
| Intel
| 64
| Crashes, Workaround exists
| Start kvm with -no-kvm for installation. Remove graphical GRUB. by Alexey.E.
|-

| SUSE Linux 10.0
| 32
| kvm-64
| Intel
| 64, 32
| Crashes, Workaround exists
| Start kvm with -no-kvm for installation. Remove graphical GRUB. by Alexey.E.
|-

| SUSE Linux 9.1
| 32
| kvm-72
| Intel/AMD
| 64, 32
| Works
| by Alexey.E.
|-

| Slackware 12 .2
| 32
| kvm-36
| Intel
| 32
| Works
|
|-

| Slackware 12
| 32
| kvm-36
| Intel
| 32
| Works
|
|-

| Slackware 11
| 32
| kvm-15
| Intel
| 64
| Works
| using test26.s kernel
|-

| Qemu-Puppy 2.01-3
| 32
| kvm-17/18
| Intel
| 32
| Works
|
|-

| Qemu-Puppy 2.13-1
| 32
| kvm-17/18
| Intel
| 32
| Works
|
|-

| SystemRescueCD 0.3.4
| 32
| kvm-18
| Intel
| 64
| Works
| Works fine, except for initial X-setting "cirrus" - changed to "vesa", then works.
|-

| Gentoo 2006.1
| 32
| kvm-24
| Intel
| 64
| Works
|
|-

| Gentoo 2007.0
| 32
| kvm-24
| Intel
| 64
| Works
|
|-

| Gentoo 20100311
| 64
| qemu-kvm-0.11.1
| Intel
| 64
| Works
| using hardened kernel 2.6.32-r3
|-

| Arch Linux (Duke)
|32
| kvm-17
|AMD
|64
|Works
|Host: 2.6.21-ARCH, guest: 2.6.22-rc5-ARCH says "booting paravirtualized kernel on bare hardware"
|-

| Mandrake Linux 9.2
|32
| kvm-51
|Intel
|64
| Works
| by Alexey.E.
|-

| Mandriva 2009
| 32/64
| kvm-75
| Intel
| 64
| Crashes, Workaround exists
| start kvm with -no-kvm for installation. Remove graphical GRUB. by Alexey.E.
|-

| Mandriva 2008.1
| 32
| kvm-64
| Intel
| 64, 32
| Crashes, Workaround exists
| start kvm with -no-kvm for installation. Remove graphical GRUB. by Alexey.E.
|-

| Mandriva 2008
| 32
| kvm-51
| Intel
| 64
| Crashes, Workaround exists
| start kvm with -no-kvm for installation. Remove graphical GRUB. by Alexey.E.
|-

| Mandriva 2007
| 32
| kvm-51
| Intel
| 64
| Crashes, Workaround exists
| start kvm with -no-kvm for installation. Remove graphical GRUB. by Alexey.E.
|-

| Crux Linux 2.5
| 32
| kvm-82
| Intel
| 32
| Works
| Boots Automatically at 'Guest Install' stage. Installs without issue. by Chris P
|-

| Mikrotik 5.0rc3
| 32
| qemu-kvm-0.13.0
| Intel
| 64
| Works
| using virtio nic + vhost_net, watchdog does not work, does not support virtio block device
|}

== UNIX Family: BSD ==
{|border=1
|'''Guest'''
| '''Guest bitness'''
| '''Host version'''
| '''Host cpu'''
| '''Host bitness'''
| '''Status'''
| '''Comments'''
|-

| OpenBSD 4.9
| 64
| qemu-kvm-0.14, linux 2.6.38.4 (Fedora 15 Beta)
| AMD Phenom(tm) 9650 Quad-Core
| 64
| Works
| Disable mpbios as with 4.5
|-

| OpenBSD 4.8
| 32
| kvm-83, linux 2.6.18 (CentOS 5.5)
| Intel E5700
| 64
| Works
| Disable mpbios as with 4.5
|-

| OpenBSD 4.7
| 64
| qemu-kvm-0.12.5
| Intel
| 64
| Works
| Need e1000 driver. (scsi driver does not work). Ide works out of the box. disabling the mpbios is not needed. Done with Linux 2.6.34.2 host kernel.
|-

| OpenBSD 4.6
| 32, 64
| qemu-kvm-0.11.0-0ubuntu6.3
| Intel
| 64
| Works
| Need e1000 driver and disable mpbios (same as other OpenBSD >= 4.5 entries)
|-

| OpenBSD 4.6
| 32
| kvm-84-7.6
| AMD
| 32
| Works
| Use the e1000 driver [-net nic,model=e1000]. Does not find the network after the installation (during install is fine) but disabling mpbios as suggested in 4.5 workaround fixes it.
|-

| OpenBSD 4.5
| 32
| kvm-85
| Intel
| 32
| Crashes
| Use the e1000 driver [-net nic,model=e1000] to avoid lockups and slow network speeds. Crashes after "setting tty flags" - Jaco van der Schyff
4.0 would hang on me at the same place if i booted /bsd.mp but not if i boot /bsd (uniprocessor kernel) - Buck 
4.5 can be made to boot by disabling mpbios as described [http://scie.nti.st/2009/10/4/running-openbsd-4-5-in-kvm-on-ubuntu-linux-9-04 here]; this is a workaround though, not a fix - Maxim
|-

| OpenBSD 4.5
| 64
| kvm-84
| Intel
| 64
| Works
| Use e1000 drivers. Install from CD works, but then you must do the following at the next boot prompt: "bsd -c", "disable mpbios", then "quit"
Make this permanent by using "config -ef /bsd" as root, once everything has booted. -- Garry Dolley
|-

| OpenBSD 4.4
| 64
| kvm-78
| AMD
| 64
| Works
|
|-

| OpenBSD 4.2
| 32
| kvm-58
| Intel
| 32
| Works
|
|-

| OpenBSD 4.1
| 32
| kvm-72
| Intel, AMD
| 64
| Works
| by Alexey.E.
|-

| OpenBSD 4.0
| 64
| kvm-12
| Intel
| 64
| Works
|
|-

| OpenBSD 4.0
| 32
| kvm-16 + CVS
| Intel
| 64
| Works
|
|-

| FreeBSD 6.1
| 32
| kvm-17/18
| Intel
| 32
| Works
|
|-

| FreeBSD 6.2
| 64
| kvm-12
| AMD
| 64
| Works
|
|-

| FreeBSD 6.2
| 32
| kvm-16 + CVS
| AMD
| 64
| Works
|
|-

| FreeBSD 6.3
| 32
| Fedora 8 - kvm-37-7.fc8
| Intel
| 64
| works
|
|-

|FreeBSD 6.3
|32
|Debian Lenny, kvm-60
|AMD
|64
|Works
|No issues in several weeks of testing. Freddie
|-

|FreeBSD 6.3
|64
|Debian Lenny, kvm-60
|AMD
|64
|Works
|No issues in several weeks of testing. Freddie
|-

|FreeBSD 7.0
|32
|Debian Lenny, kvm-60
|AMD
|64
|Works
|No issues in several weeks of testing. Tested with 1 and 2 virtual CPUs. Freddie
|-

|FreeBSD 7.0
|64
|Debian Lenny, kvm-60
|AMD
|64
|Works
|No issues in several weeks of testing. Tested with 1 and 2 virtual CPUs. Freddie
|-

|FreeBSD 7.0
|32
|OpenSUSE 10.3 kvm-63
|AMD
|64
|works
| disk i/o issues? "ad0: TIMEOUT - WRITE_DMA retrying (1 retry left) LBA=XXXXXXX"
|-

|FreeBSD 6.0, FreeBSD 6.2, FreeBSD 7.2
|32, 64
|debian squeeze, kvm-0.12.5, libvirt
|Intel Xeon
|64
|works
|freeze with "ad0: TIMEOUT - WRITE_DMA retrying (1 retry left) LBA=XXXXXXX". fix with 'hw.ata.ata_dma=0' in /boot/loader.conf
|-

| FreeBSD 7.0
| 64
| OpenSUSE 10.3 kvm-63
| AMD
| 64
| crashes after boot loader
|-

| FreeBSD 7.1
| 64
| kvm-84
| Intel
| 64
| Works
| sdl graphics mess up if using kvm, setup with -nokvm then use ssh or -nographics and serial console
|-

|FreeBSD 7.2
|64
|kvm-86-3
|Intel
|64
|Works, need to install from the DVD or CD image
|Damon Chesser, Jadase Staff
|-

|FreeBSD 8.0
|32, 64
|qemu-kvm-0.11.0-0ubuntu6.3
|Intel
|64
|Works
|installed from full DVD, used NIC model=ne2k_pci
|-

| GNU/kFreeBSD
| 32
| kvm-84
| Intel
| 32
| Works
| kvm module must be loaded with oos_shadow=0
|-

|GNU/kFreeBSD
| 64
| kvm-15
| AMD
| 64
| Works
|
|-

| GNU/kFreeBSD
| 32
| kvm-16 + CVS
| AMD
| 64
| Works
|
|-

| NetBSD 3.1
| 32
| kvm-17/18
| Intel
| 32
| Works
|
|-

| NetBSD 3.1
| 32
| kvm-21
| AMD
| 64
| Works
|
|-

| NetBSD 4.0
| 32
| kvm-60
| Intel
| 64
| Works
| avoid hangup on boot with --no-acpi and network card timeout by trying out a different card, e.g. -net nic,model=ne2k_pci
|-

| NetBSD 5.0
| 64
| kvm-88
| Intel
| 64
| Crashes/hangs
| Install CD image will crash or hang, depending on if ACPI is enabled or not. NetBSD 4.0 workarounds ineffective.
|-

| NetBSD 5.0.2
| 32
| kvm from 2.6.32-2-amd64 debian kernel on debian sid
| both Intel and Amd
| 64
| Works
| avoid slow down/ hangs with --no-acpi and network timeout by using -net nic,model=ne2k_pci, disable both SMP and ACPI in /boot.cfg inside guest
|-

| MirBSD 2009/10
| 32
| kvm_1:84+dfsg-0ubuntu12.4~hardy1
| Intel
| Works
| Use of nic,model=e1000 is strongly recommended, ne2k variants work too, emulated Realtek are crappier than metal ones and do not work.
|-

| PC-BSD 1.4
| 32
| kvm-56
| Intel
| 64
| Works
| By Alexey.E.
|-

| DragonflyBSD 1.10.1
| 32
| kvm-58
| Intel
| 64
| Works
| avoid kvm-[64-67] which require -no-kvm-pit to work; use -net nic,model=e1000 to avoid network timeouts
|-

| DragonflyBSD 2.2.1
| 32
| kvm-85
| Intel
| 64
| Works
| not tried X
|}

== UNIX Family: Solaris/OpenSolaris ==
{|border=1
| '''Guest'''
| '''Guest bitness'''
| '''Host version'''
| '''Host cpu'''
| '''Host bitness'''
| '''Status'''
| '''Comments'''
|-

| Solaris 10 U1
| 32
| kvm-12
| Intel
| 64
| Works
| later releases will detect the CPU is 64 bit capable and try to default to run a 64 bit kernel and fail, for those you have to override Solaris autodetection by adding "kernel/unix" to the kernel multiboot entry in GRUB
|-

| Solaris 10 U3
| 64
| kvm-58 + patch
| Intel
| 64
| Works
| needs additional patch to kvm for [http://tapir.sajinet.com.pe/gentoo/portage/app-emulation/kvm/files/kvm-57-kernel-longmode.patch kvm kernel longmode]
|-

| Nexenta Core 1.0
| 64
| kvm-61
| Intel
| 64
| Works
| needs additional patch to kvm for [http://tapir.sajinet.com.pe/gentoo/portage/app-emulation/kvm/files/kvm-57-kernel-longmode.patch kvm kernel longmode]. Use -m 512 -net nic,model=e1000
|-

| Nexenta Core 2.0 b104 rc3
| 32 / 64
| qemu-kvm-0.11.0
| Intel
| 64
| Works
| Might need additional patch to kvm for [http://tapir.sajinet.com.pe/gentoo/portage/app-emulation/kvm/files/kvm-57-kernel-longmode.patch kvm kernel longmode]. My qemu-kvm was already patched. Had to switch of 'acpi', 'apic' and 'pae' features in guest configuration. Guest machine-type set to pc-0.10. Use -m 512 -net nic,model=e1000.
|-

| OpenSolaris 2008.05
| 64
| kvm-69
| Intel
| 64
| Works
| Use -m 512 -net nic,model=e1000
|-

| Milax 0.3.2
| 32
| kvm-62
| Intel
| 64
| Works
| Use the kvm option -net nic,model=rtl8139 and add atapi-cd-dma-enabled=0,atapi-other-dma-enabled=0 to the kernel line in the grub menu for older releases of Milax http://www.milax.org/ in version 0.3.2 choose the Qemu grub menu entry ; tested on Ubuntu 8.04.1 by BerndSchemmer
|-

| Belenix 0.7.1
| 64
| kvm-62
| Intel
| 64
| Works
| Note: older releases of Belenix only work in text mode; tested on Ubuntu 8.04.1 by BerndSchemmer
|-

| Solaris 10 U6
| 32 & 64
| kvm-62
| Intel
| 64
| Mostly Works (see note)
| Note: the grub menu entry for Solaris 10 created by the installer is wrong, to make it work add kernel/unix to the line beginning with kernel ; tested on Ubuntu 8.04.1 by BerndSchemmer
|-

| OpenSolaris 2008.11
| 64
| kvm-62
| Intel
| 64
|Works
| tested on Ubuntu 8.04.1 by BerndSchemmer
|-

| OpenSolaris 2009.06
| 32, 64
| qemu-kvm-0.11.0-0ubuntu6.3
| Intel
| 64
|Works
| Used "-vga std" but don't recall why.
|}

== Other UNIX systems ==
{| border=1
|'''Guest'''
| '''Guest bitness'''
| '''Host version'''
| '''Host cpu'''
| '''Host bitness'''
| '''Status'''
| '''Comments'''
|-

| Darwin 8.0.1
| 32
| kvm-29
| Intel
| 64
| Crashes
| by Alexey.E.
|-

| MINIX 3.1.2a
| 32
| kvm-71
| Intel
| 64
| Works
|
|-

| MINIX 3.1.6
| 32
| qemu-0.12.3
| Intel
| 64
| Crashes
| Only boots without -enable-kvm
|-

| GNU hurd live CD (20051117)
| 32
| kvm-28
| Intel
| 32
| Works
| Seems to have networking problems.
|-

| GNU/Hurd (Debian K14)
| 32
| kvm-33
| Intel
| 32
| Works
| [http://kvm.qumranet.com/kvmwiki/Guest_Support_Status?action=AttachFile&do=get&target=hurd-k14.png screenshot]
|-

| GNU/Hurd (Debian K16)
| 32
| kvm-69
| AMD
| 64
| Works
| avoid kvm-[64-67] which require -no-kvm-pit to work
|-

| QNX 4.25
| 32
| qemu-kvm-0.12.3, kernel 2.6.32-24
| Intel
| 64
| Works
| Use "-net nic,model=ne2k_pci" for network.
|-

| QNX 6.3.2
| 32
| qemu-kvm 88, host kernel: 2.6.30
| Intel
| 64
| Works
| Use "-net nic,model=ne2k_pci" for network. See also [http://community.qnx.com/sf/wiki/do/viewPage/projects.qemu/wiki/NeutrinoAsGuestInQEMU;jsessionid=82CAC3EC7E4C62A6DC51A1E021618862]
|-

| QNX 6.4.0
| 32
| kvm-83
| Intel
| 64
| Works
| by Arno-Can Uestuensoez / [http://www.UnifiedSessionsManager.org UnifiedSessionsManager]
|-

| QNX 6.4.1
| 32
| qemu-kvm-0.11.0, 2.6.31.5
| Intel
| 64
| Works
|-

|}

== Others ==
{|border=1
| '''Guest'''
| '''Guest bitness'''
| '''Host version'''
| '''Host cpu'''
| '''Host bitness'''
| '''Status'''
| '''Comments'''
|-

| Haiku OS
| 32
| kvm-12
| AMD
| 64
| Works
|
|-

| Amiga Research OS (AROS)
| 32
| kvm-12
| AMD
| 64
| Works
| LiveCD tested.
|-

| Amiga Research OS (AROS)
| 32
| kvm-58
| Intel
| 32
| Works
| LiveCD tested.
|-

| ReactOS 0.3.0
| 32
| kvm-14
| AMD
| 64
| Works
|
|-

| FreeDOS 1.0
| 32
| kvm-71
| Intel
| 64
| Works
|
|-

| MS DOS 6.22
| 32
| kvm-88
| Intel
| 64
| Works
| Works with "-cpu qemu32". Do not load emm386.exe inside config.sys [http://twitpic.com/dce6g screenshot]
|-

| MS DOS 5.0
| 32
| kvm-62
| Intel
| 64
| Works
| Installs and boots. Tested by Alan J.
|-

| Syllable 0.61
| 32
| kvm-29
| Intel
| 64
| Crashes
| by Alexey.E.
|-

| Visopsys 0.62
| 32
| kvm-29
| Intel
| 64
| Crashes
| by Alexey.E.
|-

| Plan 9
| 32
| kvm-68
| Intel
| 64
| Works
| needs -no-kvm-irqchip
|-

| FreeDOS 7 + Novell Netware 4.1
| 32
| kvm-83
| AMD
| 64
| Works
| tested by Ruediger G. Biernat / [http://flickr.com/photos/rgbiernat/3261075882/ screenshot]
| tested by Anna.L Karl /
[http://www.vittleende.se/ Tandblekning]
|}

FeatureDescription/Template

2010-01-17T14:59:47Z

DorLaor:

This is a template page used to help documenting the features and supply the full information needed for users, testers and developers.

= Feature functional description =

= Detailed =
== why use it? ==
== How to run ==
== How to stress test/ uni-test ==
== Potential migration issues ==
== Backward/forward compatibility issues ==
== Specific issues with some releases ==

= Test cases =

= Links =

Downloads

2009-09-30T19:46:04Z

DorLaor:

=Downloads=

(If you are searching the latest Windows drivers, go [[http://www.linux-kvm.org/page/WindowsGuestDrivers/Download_Drivers here]])

Most Linux distros already have KVM kernel modules and userspace tools available through their packaging systems. This is the easiest and recommended way of using KVM.

If you want to use the latest version of KVM kernel modules and supporting userspace, you can download the latest version from [http://sourceforge.net/project/showfiles.php?group_id=180599 http://sourceforge.net/project/showfiles.php?group_id=180599].

For the userspace components, you will find both qemu-kvm-<version> and kvm-<version> there.
qemu-kvm is the stable branch of kvm, it's based off of qemu's point releases with the kvm extras on top; kvm-NN releases are so called development releases.

You can consult the [[ChangeLog]] page on this wiki.

If you use a kernel from http://www.kernel.org or one provided from your distribution and '''do not''' use the modules provided by kvm releases:
* your kernel has to be 2.6.25 or newer to run the kvm 76 userspace (or any newer release)
* the modules provided by Linux 2.6.22 or later require kvm-22 or any later version. Some features are available only with newer kernels or userspace. It is recommended to use the latest available version.
* the modules provided by Linux 2.6.21 require '''[http://downloads.sourceforge.net/kvm/kvm-17.tar.gz kvm-17]'''. If you use the external module, use the latest available version.
* the modules provided by Linux 2.6.20 require '''[http://downloads.sourceforge.net/kvm/kvm-12.tar.gz kvm-12]'''. If you use the external module, use the latest available version.

Refer to [[choose the right kvm & kernel version]] for more information.

Documents

2009-07-20T12:02:30Z

DorLaor:

= Documents =

== User/Admin documentation ==
* [[HOWTO]]
* [http://www.nongnu.org/qemu/qemu-doc.html QEMU user manual]
== Presentations ==
* Presentations on many aspects of KVM were made at [[KvmForum2007]] (Aug 2007).
* Presentations from the [[KvmForum2008]] (June 2008)
* Avi Kivity's presentation from the [http://ols.108.redhat.com/2007/Reprints/kivity-Reprint.pdf Ottawa Linux Symposium 2007] (Jun 2007).
* TPR patching [attachment:kvm-tpr-patching.odp overview] (Avi Kivity, Oct 2008)
* [http://markmc.fedorapeople.org/virtio-code-review/VirtioCodeReview.pdf Virtio code walkthrough], [http://markmc.fedorapeople.org/virtio-code-review/virtio-talk.txt notes], [http://blogs.gnome.org/markmc/2008/05/28/checksums-scatter-gather-io-and-segmentation-offload/ GSO background] (Mark McLoughlin, Oct 2008), and [http://portal.acm.org/citation.cfm?id=1400097.1400108 ACM pdf about virtio by Rusty Russell]
== White papers: ==
* Qumranet's [http://www.qumranet.com/files/white_papers/KVM_Whitepaper.pdf KVM Whitepaper]
== Magazine Articles ==
* [http://www.linux-magazine.com/issues/2008/86/kernel_tricks Linux Magazine]
* [http://www.linuxplanet.com/linuxplanet/reports/6490/4/ KVM for Embedded] at Linux Planet
* [http://www.linuxplanet.com/linuxplanet/reports/6503/1/ Linux as a hypervisor] at Lunux Planet
== Benchmarks ==
* [http://www.phoronix.com/scan.php?page=article&item=ubuntu_virt_benchmarks&num=1 Phoronix - Ubuntu 8.04 KVM Benchmarks]
* [http://www.phoronix.com/scan.php?page=article&item=intel_corei7_virt&num=1 Phoronix - Intel Core i7 Virtualization Performance]
== Documentation ==
* [[small_look_inside|small look inside(kvm-54)]]
* [[buildup|qemu kvm buildup]]
* [[vl_runthrough|qemu-system-x86_64 startup (kvm-57)]]
* [[initialization|initialization (kvm-57)]]
* [[file_layout_in_kernel|file layout in kernel (~kvm-58)]]
== KVM Doxygen Documentation ==
* [http://kvmapi.ath.cx kvm doxygen documentation]
== Tools ==
* [[tools|Tools]]
== Supported cpus ==
* [[processor_support|cpus]]

KVM-Autotest/TODO

2009-06-29T06:55:46Z

DorLaor:

= KVM-Autotest To-Do list =

== Framework ==

* <s>Verify MD5 sum of ISO image before starting a VM</s> [Michael] [DONE]
* <s>Enable multiple user controlled port redirections (with -redir)</s> [Michael] [DONE]
* <s>Implement functions to translate VM ports and addresses (e.g. VM.get_port(), VM.get_address())</s> [Michael] [DONE]
* Support TAP networking with a user specified MAC address for each NIC [Michael]
* <s>Add <tt>display</tt> parameter to enable user control of the QEMU display method (VNC/SDL/nographic)</s> [Michael] [DONE]
* Implement VM.clone() -- to be used by tests that need to add new VMs by themselves [Michael]
* kickstart installation support
* kvm-autotest auto resolve qemu-kvm backtraces
* <s>Make sure ppm_utils.image_crop() handles bad input properly</s> [Michael] [DONE]
* Enable tests to modify a VM's params (while it's down) [Michael]
* Make tests shorter by using small utility functions that fail a test and display a failure message [Michael]
* <s>Improve the stepmaker data naming system (e.g. name PPM files according to their MD5 sums)</s> [Michael] [DONE]
* Redirect guest monitor to serial and capture guest error messages written to console. Log the errors and also scan for specific problems (e.g. oops)
* Support an "expected to fail" param (at least in our html report)
* Log a gdb-backtrace for tests (executables) which generate a core dump file.
* Enable "guest-load" for a VMs before/while tests are running (e.g. migration of a VM, while a movie is playing on it) [Michael]
* Add support for kvm-trace.
* Fail upon indentation/white-space problems in the configuration file
* Add a way to shutdown the VMs when the whole job completes (compared to doing nothing or shutting-down after every test) [Michael]
* <s>Implement <tt>include</tt> functionality in the config file parser</s> [Michael] [DONE]
* <s>Implement kvm_spawn.get_command_status_output() to make sending SSH commands easier</s> [Michael] [DONE]
* Config file parser: enable selective modification of parameters based on regular expressions, e.g. mem.* ?= 256 [Michael]
* Support running user specified pre-job, post-job, pre-test and post-test scripts [Michael]
* <s>Make Step Editor accept a filename command line argument</s> [Michael] [DONE]
* <s>When running step files, detect frozen (stuck) guests even in the presence of a blinking cursor</s> [Michael] [DONE]
* Support running tests in parallel with multiple queues for each host [Michael]
* Automatically convert PPM images in debug dirs to PNG format to save space [Michael]
* Automatically assign a UUID to a VM (use the '-uuid' QEMU parameter). Once assigned, should be used in all dependent tests. [jasowang]
* Automatically assign a MAC address to a NIC. Once assigned, should be used in all dependent tests. [jasowang]
* <s>Allow run_bg to track a child process's stdin and stderr even after the parent process has exited; achieved by merging run_bg with kvm_spawn</s> [Michael] [DONE]

== Tests ==

* Find out how to use Autotest's netperf test with guests [jasowang]
* If needed, write a netperf/iperf test [jasowang]
* Write a time drift test (pic/apic/pm_timer)
* Write a test which adds VMs until one of them becomes unresponsive, and records the maximum number of VMs successfully started. [Yolkfull] [ALREADY DONE]
* cpu hotplug [Glauber]
* pci net hot plug [Glauber]
* pci block hot plug [Glauber]
* <s>s3 hibernation</s> [Gleb] [DONE]
* tap networking [jasowang]
* pxe boot * net types [jasowang]
* qcow1, qcow2, vmdk, vhd
* qcow2 internal snapshots
* <s>Run autotest tests inside Linux guest</s> [Michael] [ALREADY DONE]
* Further migration [jasowang]
* Multiple nics [jasowang]
* multiple disks
* ksm [jasowang, jzupka, ldoktor]
* -vga stg, nographics
* kvm unit-tests
* Add unattended guest installations (using kickstart or answer-files) [jasowang]
* kvm_install -- keep src and build directories under <kvm_autotest_root> instead of under kvm_runtest_2.
* Stable tsc test - http://people.redhat.com/mingo/time-warp-test/MINI-HOWTO
* Guest installation with pv-block device/driver (for both windows and Linux)
* savevm test [jasowang]
* Guests with large page support [jzupka, ldoktor]
* Verify SMBIOS/DMI data (UUID, for example)
* Disk serial number (for IDE, SCSI, VirtIO drives)
* Test block device cancellation path using device mapper to generate errors ( after we had a crash in de_write_dma_cb)

== Misc ==

* Goal -- get accepted into upstream autotest
* Add docstrings to all functions that still lack them, including the ones in stepmaker.py, stepeditor.py and kvm_tests.py [Michael]
* Add module headers and docstrings [Michael]
* Document the setupssh.iso and setuptelnet.iso creation procedures in the wiki
* Rename all Windows ISOs currently used to their official MSDN names
* <s>Move Windows-setup iso images into the windows directory.</s> [DONE]
* Share all the stepmaker data somehow so other people can debug stepfiles
* Fill the sections "Working with step files" and "Step file creation tips" in the wiki [Michael]
* Document the kvm_install test in the "Tests" section of the wiki

== Bugs ==

* <s>Step Maker/Step Editor: fix the GDK MemoryError problem (do not pass gtk.gdk.pixbuf_new_from_data() a 0x0 pixmap even if a ppm file contains one)</s> [DONE]

KVM Forum 2008

2009-04-04T21:31:21Z

DorLaor:

= Information on the recently-concluded KVM Forum 2008 =

==== Wednesday June 11th ====
{| border="1" cellpadding="2" cellspacing="0"
| Session Topic
| Speaker
|-
| [[Media:KvmForum2008$kdf2008_1.pdf | Keynote]]
| Avi Kivity, Qumranet
|-
| [[Media:KvmForum2008$kdf2008_2.pdf | Cross platform guest support]]
| Paul Knowles, Transitive
|-
| [[Media:KvmForum2008$kdf2008_3.pdf | KVM in Solid ICE]]
| Dor Laor, Qumranet
|-
| [[Media:KvmForum2008$kdf2008_4.pdf | Buiding a better Userspace - The current and future state of QEMU and KVM integration]]
| Anthony Liguori, IBM
|-
| [[Media:KvmForum2008$kdf2008_5.pdf| Mixing Xen and KVM: Xenner]]
| Gerd Hoffman, Red Hat
|-
| [[Media:KvmForum2008$kdf2008_6.pdf| KVM Limits - Arbitrary or Architectual?]]
| Ryan Harper, Karl Rister, IBM
|-
| [[Media:KvmForum2008$kdf2008_7.pdf| VMDq and SR-IOV support in KVM]]
| Eddie Dong, Intel
|}

==== Thursday June 12th ====
{| border="1" cellpadding="2" cellspacing="0"
| Session Topic
| Speaker
|-
| [[Media:KvmForum2008$kdf2008_8.pdf| Mac OS X in KVM]]
| Alexander Graf, Novell
|-
| [[Media:KvmForum2008$kdf2008_9.pdf| Beyond kvm.ko]]
| Avi Kivity, Qumranet
|-
| [[Media:KvmForum2008$kdf2008_10.pdf| State of KVM in PowerPC]]
| Christian Ehrhardt, IBM
|-
| [[Media:KvmForum2008$kdf2008_11.pdf| Accelerating KVM with hardware technology]]
| Sheng Yang, Intel
|-
| [[Media:KvmForum2008$kdf2008_12.pdf| Increasing Virtual Machine density with KSM]]
| Izik Eidus, Qumranet
|-
| [[Media:KvmForum2008$kdf2008_13.pdf| Shadow TLB management]]
| Hollis Blanchard, IBM
|-
| [[Media:KvmForum2008$kdf2008_14.pdf| Passthrough device access for KVM]]
| Amit Shah, Qumranet & Allan Kay, Intel
|-
| [[Media:KvmForum2008$kdf2008_15.pdf| Integrating KVM with the Linux memory management]]
| Andrea Arcangeli, Qumranet
|-
| [[Media:KvmForum2008$kdf2008_16.pdf| Paravirtualized file systems]]
| Eric Van Hensbergen, IBM research
|}

==== Friday June 13th ====
{| border="1" cellpadding="2" cellspacing="0"
| Session Topic
| Speaker

|-
| [[Media:KvmForum2008$kdf2008_17.pdf| KVM on Big Iron: Where to go from here?]]
| Carsten Otte, IBM

|-
| [[Media:KvmForum2008$kdf2008_18.pdf| Enabling KVM on IA64 system]]
| Eddie Dong, Intel

|-
| [[Media:KvmForum2008$kdf2008_19.pdf| Open-OVF: an OSS project around the Open Virtual Appliance format]]
| Hollis Blanchard, IBM

|-
| [[Media:KvmForum2008$kdf2008_20.pdf| Mini VM - Extending KVM towards Embedded systems]]
| Jun Nakajima, Intel

|-
| [[Media:KvmForum2008$kdf2008_21.pdf| Nested paging hardware and software]]
| Ben Serebrin & Joerg Roedel, AMD

|-
| Concluding keynote
| Benny Schnaider, Qumranet

|}
__NOTOC__

KVM-Autotest/TODO

2009-03-23T23:14:06Z

DorLaor:

= KVM-Autotest To-Do list =

== Framework ==

* <s>Verify MD5 sum of ISO image before starting a VM</s> [DONE]
* <s>Enable multiple user controlled port redirections (with -redir)</s> [DONE]
* <s>Implement functions to translate VM ports and addresses (e.g. VM.get_port(), VM.get_address())</s> [DONE]
* Support TAP networking with a user specified MAC address for each NIC
* <s>Add <tt>display</tt> parameter to enable user control of the QEMU display method (VNC/SDL/nographic)</s> [DONE]
* Implement VM.clone() -- to be used by tests that need to add new VMs by themselves
* kickstart installation support
* kvm-autotest auto resolve qemu-kvm backtraces
* Make sure ppm_utils.image_crop() handles bad input properly
* Enable tests to modify a VM's params (while it's down)
* Make tests shorter by using small utility functions that fail a test and display a failure message
* Improve the stepmaker data naming system (e.g. name PPM files according to their MD5 sums)
* Redirect guest monitor to serial and capture guest error messages written to console
* Support an "expected to fail" param (at least in our html report)
* Log a gdb-backtrace for tests (executables) which generate a core dump file.
* Enable "guest-load" for a VMs before/while tests are running (e.g. migration of a VM, while a movie is playing on it)
* Add support for kvm-trace.
* Ignore, Warn, or even fail, upon indentation/white-space problems in the configuration file
* Add a way to shutdown the VMs when the whole job completes (compared to doing nothing or shuting-down after every test).

== Tests ==

* Find out how to use Autotest's netperf test with guests
* If needed, write a netperf/iperf test
* Write a time drift test
* Write a test which adds VMs until one of them becomes unresponsive, and records the maximum number of VMs successfully started.
* cpu hotplug - Glauber
* pci net hot plug -Glauber
* pci block hot plug -Glauber
* s3 hibernation - Gleb
* tap networking
* pxe boot * net types
* qcow1, qcow2, vmdk, vhd
* qcow2 internal snapshots
* <s>Run autotest tests inside Linux guest</s> [ALREADY DONE]
* Further migration
* Multiple nics
* ksm
* -vga stg, nographics
* kvm unit-tests
* Add unattended guest installations (using kickstart or answer-files)
* kvm_install -- keep src and build directories under <kvm_autotest_root> instead of under kvm_runtest_2.
* time drift test (pic/apic/pm_timer)
* Stable tsc test - http://people.redhat.com/mingo/time-warp-test/MINI-HOWTO

== Misc ==

* Goal -- get accepted into upstream autotest
* Add docstrings to all functions that still lack them, including the ones in stepmaker.py, stepeditor.py and kvm_tests.py
* Add module headers and docstrings
* Document the setupssh.iso and setuptelnet.iso creation procedures in the wiki
* Rename all Windows ISOs currently used to their official MSDN names
* Move Windows-setup iso images into the windows directory.
* Share all the stepmaker data somehow so other people can debug stepfiles
* Fill the sections "Working with step files" and "Step file creation tips" in the wiki
* Document the kvm_install test in the "Tests" section of the wiki

== Bugs ==

None so far?

KVM-Autotest/TODO

2009-03-19T13:30:58Z

DorLaor:

= KVM-Autotest To-Do list =

== Framework ==

* <s>Verify MD5 sum of ISO image before starting a VM</s> [DONE]
* Enable multiple user controlled port redirections (with -redir)
* Implement functions to translate VM ports and addresses (e.g. VM.get_port(), VM.get_address())
* Support TAP networking with a user specified MAC address for each NIC
* Add <tt>display</tt> parameter to enable user control of the QEMU display method (VNC/SDL/nographic)
* Implement VM.clone() -- to be used by tests that need to add new VMs by themselves
* kickstart installation support
* kvm-autotest auto resolve qemu-kvm backtraces
* Make sure ppm_utils.image_crop() handles bad input properly
* Enable tests to modify a VM's params (while it's down)
* Implement "assert" function and use it in tests to make them shorter

== Tests ==

* Find out how to use Autotest's netperf test with guests
* If needed, write a netperf/iperf test
* Write a time drift test
* Write a test which adds VMs until one of them becomes unresponsive, and records the maximum number of VMs successfully started
* cpu hotplug - Glauber
* pci net hot plug -Glauber
* pci block hot plug -Glauber
* s3 hibernation - Gleb
* tap networking
* pxe boot * net types
* qcow1, qcow2, vmdk, vhd
* qcow2 internal snapshots
* Run autotest tests inside Linux guest
* Further migration
* Multiple nics
* ksm
* -vga stg, nographics
* kvm unit-tests

== Misc ==

* Add docstrings to all functions that still lack them, including the ones in stepmaker.py, stepeditor.py and kvm_tests.py
* Add module headers and docstrings
* Document the setupssh.iso and setuptelnet.iso creation procedures in the wiki
* Rename all Windows ISOs currently used to their official MSDN names
* Share all the stepmaker data somehow so other people can debug stepfiles
* Fill the sections "Working with step files" and "Step file creation tips" in the wiki
* Document the kvm_install test in the "Tests" section of the wiki

== Bugs ==

None so far?

Virtio

2008-01-31T23:27:04Z

DorLaor:

= Paravirtualized drivers for kvm/Linux =
* Virtio was chosen to be the main platform for IO virtualization in KVM
* The idea behind it is to have a common framework for hypervisors for IO virtualization
* More information (although not uptodate) can be found in kvm [http://kvm.qumranet.com/kvmwiki/KvmForum2007?action=[[AttachFile]]&do=get&target=kvm_pv_drv.pdf pv driver]
* At the moment network/block/balloon devices are suported for kvm
* The host implementation is in userspace - qemu, so no driver is needed in the host.

= How to use Virtio =
* Get kvm version >= 60
* Get Linux kernel with virtio drivers for the guest
** Either build it around Rusty's tree [http://ozlabs.org/~rusty/kernel/hg/ repo]
** Or git clone git://kvm.qumranet.com/home/dor/src/linux-2.6-nv use branch rusty
** Soon an official repository will be released
** As an alternative one can use a standard guest kernel for the guest > 2.6.18 and make use sync backward compatibility option
** Backport and instructions can be found in Anthony Liguori's [http://codemonkey.ws/virtio-ext-modules virtio-ext-modules]
** At the moment it's broken since the guest got developed, soon update
* Use model=virtio for the network devices.
** Example
<pre><nowiki>
qemu/x86_64-softmmu/qemu-system-x86_64 -boot c -hda /images/xpbase.qcow2 -m 384 -net nic,model=virtio -net tap,script=/etc/kvm/qemu-ifup
</nowiki></pre>
* At the moment the kernel modules are automatically loaded in the guest but the interface should be started manually (dhclient/ifconfig)
* Currently performance is much better when using a host kernel configured with CONFIG_HIGH_RES_TIMERS. Another option is use HPET/RTC and -clock= qemu option.
* Expected performance
** Performance varies from host to host, kernel to kernel
** On my laptop I measured 1.1Gbps rx throughput using 2.6.23, 850Mbps tx.
** Ping latency is 300-500 usec
* Enjoy, more to come :)

__NOTOC__

Virtio

2008-01-31T13:35:21Z

DorLaor: