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From Xen
  • ...o check [[XenPCIpassthrough]] wiki page for more general information about Xen PCI passthru usage! == Xen 4.1 xl tools notes ==
    23 KB (3,519 words) - 23:32, 27 December 2023
  • ...eft|This page contains answers to some common problems and questions about Xen. This list contains '''the most frequently asked questions'''. You may also == I'd like to contribute to the Xen Project wiki pages, I have something to add/edit/fix, how can I do it? ==
    43 KB (7,072 words) - 03:05, 26 March 2015
  • <!-- Comment: Added the details about Xen 4.2 being able to auto detect IO-ports of PCI/AMT cards --> = Configuring Xen to use and log to a serial console =
    19 KB (3,149 words) - 18:05, 27 June 2020
  • interestingly, Xen. will either boot native on bare hardware (or in hvm mode under Xen),
    40 KB (6,191 words) - 11:42, 13 January 2016
  • == Xen Project PVHVM drivers for Linux HVM guests == ...n Project fully virtualized HVM guests running (unmodified) Linux kernels. Xen Project PVHVM drivers completely bypass the Qemu emulation and provide much
    13 KB (1,858 words) - 13:13, 7 February 2018
  • ...volves a kernel driver running in Dom0 that acts similarly to the existing Xen/Linux blkback driver, and a set of associated user-level libraries. Using t * /dev/xen/blktapX, where X is a number which represents one particular virtual disk
    11 KB (1,704 words) - 00:38, 10 April 2013
  • Credit2 is a general purpose scheduler for Xen, designed with particular focus on '''fairness''', '''responsiveness''' and ...siveness''': interactive and latency sensitive workloads inside VMs should work "well enough".
    36 KB (6,041 words) - 08:23, 18 July 2017
  • ...) about Dynamic Memory Control (DMC), a feature included in [[XCP_Overview|Xen Cloud Platform]] (XCP). ...swered in this document, contact us at [mailto:xen-api@lists.xensource.com xen-api@lists.xensource.com].
    29 KB (4,527 words) - 20:55, 25 June 2014
  • * [http://socghop.appspot.com/gsoc/org/google/gsoc2011/xen_org Xen.org GSoc Page] ** By arranging an IRC meeting at a specific time using '''#xen-gsoc IRC channel on freenode''' with your mentor
    23 KB (3,719 words) - 18:07, 2 February 2017
  • * It is good practice to discuss and work with the Mentor before making an application ...l free to copy your application into a google doc, etherpad or similar and work through some of it with your prospective mentor
    7 KB (1,234 words) - 12:45, 6 February 2019
  • ...oot, floppies etc) and a full distribution tree for your production server Xen DomU. == why build your own NetBSD XEN DOMU ? ==
    8 KB (1,273 words) - 15:16, 25 September 2014
  • ...he necessary information that will enable a unmodified guest VM to work in Xen. ...term future. Lastly I am not an expert on the subject, so please write to xen-devel mail list any questions you might have.
    7 KB (1,165 words) - 23:16, 24 February 2016
  • = Xen 3.2 + Debian 5.0 Live CD = == Welcome to the Xen Live CD v2.0! ==
    5 KB (851 words) - 22:29, 25 June 2012
  • ...ceive-side copying) feature is enabled by default. This feature moves some work that is otherwise done in the control domain into user domains. RSC can cau It appears that Xen currently feeds all interrupts for a guest to the guest's
    43 KB (7,032 words) - 14:21, 30 April 2014
  • PV-GRUB (ParaVirtual Grub) is a boot manager for Xen virtual machines. It is a safer (as in more reliable but specifically as in ...he PV port of Grub 1.0 (sometimes called grub-legacy) which is part of the Xen source tree. On modern systems it is likely to be be more appropriate/conve
    10 KB (1,667 words) - 03:02, 3 October 2015
  • == Xen Cloud Platform Overview == Xen Cloud Platform offers ISVs and service providers a complete cloud infrastru
    5 KB (672 words) - 06:44, 22 February 2014
  • <!-- WikiMedia name: Xen Cloud Platform: Access to VM console --> Xen has (at least) two distinct ways to access VM consoles. One - using the xc
    9 KB (1,475 words) - 12:48, 25 November 2016
  • {{Needs_Refactor|This document may work better as a [[:Category:Trail|trail]] or sequence of [[:Category:Trail|trai * [[XenIntro]] - introduction to Xen : Implementation details and Design
    2 KB (218 words) - 13:39, 10 November 2011
  • ...rtualised (HVM)]] guest, e.g. via [[PV on HVM]] drivers for Linux or the [[Xen Windows GplPv|GPL PV drivers for Windows]]. ...hernet NIC in the guest domain. Typically under Linux it is bound to the ''xen-netfront'' driver and creates a device ''ethN''. Under NetBSD and FreeBSD t
    27 KB (3,376 words) - 23:47, 6 June 2018
  • This article describes how to use Xen Project para-virtualized drivers on HVM guest. If the Linux guest initialized the qemu-dm emulated IDE/SCSI device, then Xen Project para-virtualized storage driver cannot initialize it. So we should
    3 KB (408 words) - 13:13, 7 February 2018
  • = Xen VGA graphics adapter passthrough = ...4.0.0 is the first version to support VGA graphics adapter passthrough to Xen HVM (fully virtualized) guests. This means you can give HVM guest full and
    14 KB (2,251 words) - 18:07, 29 June 2022
  • = List of tested graphics adapters for Xen VGA Passthrough = Please send an email to xen-devel or xen-users with all the details about your VGA graphics passthru experience. '''
    15 KB (2,266 words) - 20:02, 16 December 2022
  • = Xen in [[WiFi]] network = ...domU'' I could only see incoming packets. Outgoing ones were sent out to ''xen-br0'' but never transmitted over the wireless network.
    5 KB (684 words) - 22:02, 30 November 2011
  • <!-- ## page was renamed from Xen/PPC --> ...the ARM port for processors with hardware virtualization extensions see [[Xen ARMv7 with Virtualization Extensions]].}}
    6 KB (879 words) - 15:45, 15 April 2015
  • From a xen-api.hg chroot environment, execute the following commands: cd /myrepos/xen-api.hg
    7 KB (1,201 words) - 13:12, 11 July 2013
  • When someone starts to work with XenAPI he founds strange '[[OpaqueRef]]' objects in relationship field Here some quotes of Dave Scott from xen-api maillist about [[OpaqueRefs]]:
    4 KB (622 words) - 12:43, 11 July 2013
  • This page provides information about QA procedures of the GPL releases of Xen. ...ere could be many more tasks done (some described[http://www.xensource.com/xen/xensummit.html here]), like:
    2 KB (239 words) - 23:45, 29 November 2011
  • This page is dedicated to the work done for GSoC to use SeaBIOS in Xen. * SeaBIOS: Insert init code for Xen on POST
    12 KB (2,089 words) - 18:07, 2 February 2017
  • == Xen Testing == ...on on Xen testing in order to cooperate and collaborate -- and spread the work around so no one has to do everything.
    4 KB (635 words) - 11:54, 28 May 2012
  • | Xen | Xen
    10 KB (1,264 words) - 11:53, 28 May 2012
  • | can Xen handle massive amounts of RAM? ...lues that <code><nowiki></nowiki></code>must<code><nowiki></nowiki></code> work
    4 KB (513 words) - 11:56, 28 May 2012
  • ...t to have it working with Intel cards. The radeon and nouveau (and NVidia) work as well - except if the card is a 32-bit card (ATI ES1000 for example). In ...em. It is also available in this git tree: git://oss.oracle.com/git/kwilk/xen.git devel/ttm.dma_pool.v2.1
    46 KB (6,924 words) - 10:49, 24 June 2013
  • ...via a kernel driver in the guest called xen-pcifront (pcifront in classic xen kernels), which connects to pciback. HVM guests see the device on the emul ...ity issue: a guest with a buggy driver could accidentaly overwrite some of Xen's memory; a guest controlled by an attacker could read and write memory of
    23 KB (3,661 words) - 10:19, 19 December 2019
  • ...Providing as much information as possible below with bugs reported to the Xen project will make it much easier for developers to figure out what has gone ...do this, please, check out this other Wiki page: [[Reporting Bugs against Xen]]. Asking about people having had similar experience on IRC or on the user
    4 KB (688 words) - 16:03, 22 February 2018
  • = VirtIO on the Xen Hypervisor = ...ive approaches is proceeding on the [mailto:xen-devel@lists.xenproject.org xen-devel] public mailing list.
    5 KB (755 words) - 07:23, 19 April 2023
  • The following items are features or work items to be implemented in future XCP releases * Spring 2011 plan: [http://downloads.xen.org/Wiki/XCP/XCP_Platform_Evolution_Plan.pdf XCP Platform Evolution Plan]
    1 KB (188 words) - 14:14, 11 July 2013
  • ...system and xapi before we can release XCP 1.5, but after we complete this work it will be much easier for us to release stable versions of XCP along with * Xen hypervisor 4.1
    3 KB (446 words) - 14:15, 11 July 2013
  • === Setting up Xen === While not strictly required for the build, to help us test it, lets install Xen.
    13 KB (2,038 words) - 06:35, 22 February 2014
  • ...nos Supported Features]] page for a list of XCP features that are known to work on Kronos. 4. Install Xen hypervisor and dom0 kernel
    6 KB (951 words) - 14:11, 11 July 2013
  • ...nos Supported Features]] page for a list of XCP features that are known to work on Kronos. ...damage to your system, leave it unbootable, be surprised when things don't work as you expect (or at all), and generally fail to create World Peace[tm]. A
    11 KB (1,805 words) - 16:55, 23 December 2011
  • ...5.6.100. This is the version string of XenServer 5.6 FP1 and SP2, and will work for XCP 1.0 and 1.1. ...tml/xen-api/2011-10/msg00037.html http://lists.xensource.com/archives/html/xen-api/2011-10/msg00037.html]]
    11 KB (1,655 words) - 10:35, 15 April 2016
  • == I have problems getting Xen or dom0 kernel to boot, how can I set up a serial console to log and troubl Go into your BIOS and enable Legacy Booting (non-EFI). If it still doesn't work, upgrade the BIOS to its latest version.
    573 bytes (93 words) - 01:20, 8 October 2014
  • == Where do I find documentation on Xen? == * [[Xen Beginners Guide]]
    3 KB (428 words) - 21:53, 2 July 2012
  • ...ith a 'TLS' version of glibc that is not fully compatible with Xen. To use Xen reliably and with maximum performance you must disable the incompatible gli Alternatively, install a Xen-specific GLIBC, see [[XenSpecificGlibc]].
    6 KB (949 words) - 18:07, 12 November 2011
  • == Is there a Networking Guide for Xen? == I have debian lenny and xen 3.2 installed and working. Actually openvpn and dhcp are on the dom0. All i
    8 KB (1,417 words) - 21:38, 21 June 2015
  • = How does Xen Work? = == How does Xen process System Calls on para-virtualized guest? ==
    3 KB (537 words) - 11:08, 18 October 2012
  • === What software exists for Xen to handle high availability? === ...utomatically activates if the primary server fails. Remus support began in Xen Project release 4.0, with full [[:Category:PVOPS|PVOPS]] support available
    5 KB (779 words) - 13:59, 24 August 2015
  • ...ou can install the OS in an LVM partition and use it shared across all the xen domUs when you use the parition as 'r' instead of 'w' when defining the dis == How can I make disk resizing work? ==
    3 KB (536 words) - 13:27, 9 July 2015
  • Xen virtual console successfully installed as xvc0 Event-channel device install Using IPI No-Shortcut mode xen-vbd: registered block device major 8 blkfront: sda2: barriers enabled XENBU
    13 KB (1,967 words) - 13:33, 18 October 2012
  • ...asing the likelyhood that every single execution unit is performing useful work, rather than waiting for the dependent instructions to be completed. Overa === Is Xen hyperthreading aware? ===
    4 KB (660 words) - 11:25, 13 October 2016
  • ...of this page is to document how Xen sets up and uses interrupts. It is a work in progress, and to a certain extent dynamic as patches modify the code. H Refer to <code>xen/include/asm-x86/mach-default/irq_vectors.h</code>
    2 KB (243 words) - 02:15, 8 December 2011
  • ...projects that can be picked up by anyone! If you're interesting in hacking Xen this is the place to start! Ready for the challenge? To work on a project:
    23 KB (3,671 words) - 19:04, 18 February 2016
  • {{Warning|This document is old and has been replaced by [[Xen Overview]]. The document itself has been archived.}} = What is Xen? =
    13 KB (1,910 words) - 09:09, 27 September 2012
  • This page covers the steps to get a working Xen Project host system (a.k.a. dom0) running [https://fedoraproject.org Fedora ...the steps needed to turn a plain Fedora installation into fully functional Xen Project host.
    17 KB (2,615 words) - 17:01, 11 November 2014
  • * [[CentOS 6 Virtual Machine installation on Xen]] # If a CDROM is attached, attempt to detect the install files and work out what kind of system it is (debianlike or rhlike)
    3 KB (434 words) - 17:04, 20 January 2015
  • <pre>[[Category:Xen/ja]]</pre> ...nventions as outlined here. If not followed, the language templates do not work properly and users will find it hard to find translated content.
    4 KB (688 words) - 16:21, 28 January 2013
  • <!-- WikiMedia name: Kernel.org Linux on Xen --> = Running kernel.org "mainline" Linux on Xen =
    9 KB (1,495 words) - 23:17, 29 November 2011
  • ...review and refactor would be needed or better a clone of this document for Xen 4.x}} ...based ONLY on 2.6). Moreover,currently the 2.4 linux tree is removed from Xen Tree (changeset 7263:f1abe953e401 from 8.10.05) but it can be that it will
    73 KB (11,255 words) - 13:01, 25 November 2016
  • With the launch of new Xen project pages the [http://www.xenproject.org/developers/teams/windows-pv-dr === Supported Xen versions ===
    11 KB (1,833 words) - 07:19, 25 January 2016
  • = Xen Project Configuration = | [http://xenbits.xen.org/docs/unstable/misc/xen-command-line.html Xen Project CLI]
    12 KB (1,714 words) - 15:38, 6 January 2015
  • ...' became the default toolstack. ''xend'' has finally been removed from the Xen 4.5 release. ...(''libxl''), a library designed to provide a common "bottom third" for any Xen toolstack.
    6 KB (909 words) - 10:25, 12 July 2020
  • ...beginners to basic Xen Project concepts and allow you to get started with Xen Project with no prior knowledge. Some prior Linux experience is required ho By completing this guide you will have installed a fully functional Xen Project hypervisor and started your first guest operating systems, connecte
    33 KB (5,517 words) - 23:41, 28 July 2020
  • * Debian 4.0 ("Etch") contains 2.6.18 Xen dom0 kernel. ...have experienced stability problems with this kernel, when used with newer Xen 3.3 and 3.4 hypervisors. Also, some users have reported live migrations bei
    5 KB (801 words) - 13:28, 24 September 2012
  • ...S tiny OS (see <code>extras/mini-os</code> in the Xen source code). Some work has been done on [[Linux stub domains]]. Device model stub domains were first implemented by Samuel Thibault in Xen 3.3 in 2008.
    4 KB (683 words) - 19:55, 9 July 2019
  • ...talling Xen on Debian out there, so I start my example on top of a running Xen dom0. * Mount the installation ISO as loopback device and copy the xen kernel and initrd out of the boot directory onto your dom0.
    5 KB (812 words) - 11:07, 26 June 2012
  • ...ble in accordance with the [http://www.xenproject.org/security-policy.html Xen security problem response process]. * <em>Newer than</em> XSA 25 : [http://xenbits.xen.org/xsa/ xenbits.xen.org/xsa]
    38 KB (6,204 words) - 11:54, 13 May 2015
  • ...le, attempting to use the kernel command-line parameter pciback.hide won't work. This includes loading pciback in an initrd. This means that if you wish to ...n an init script (/etc/rc.local will work on Fedora) to be executed before Xen domains. You can find the correct value for $BDF using <code><nowiki>lspci<
    3 KB (450 words) - 11:29, 20 December 2011
  • ...lease ask the question on [http://lists.xen.org/mailman/listinfo/xen-devel xen-devel] or directly get in touch with Ian Campbell (ian DOT campbell AT citr We confirmed the Xen Hackathon '''hosted by Oracle''' for March 6-8, 2012 at the Oracle campus i
    5 KB (810 words) - 11:31, 16 March 2012
  • ...e, you should probably start by reading the [[XCP Introduction|http://wiki.xen.org/wiki/XCP_Introduction]], which will give you an overview of what tools, ...damage to your system, leave it unbootable, be surprised when things don't work as you expect (or at all), and generally fail to create World Peace[tm]. A
    4 KB (732 words) - 13:08, 11 July 2013
  • ...nos Supported Features]] page for a list of XCP features that are known to work on Kronos. The debian packages can be compiled from source following the in ...n Oneiric, for instance. There is a [[Using_XCP_-_preparing_the_toolstack|work-around]] available.
    11 KB (1,827 words) - 14:10, 11 July 2013
  • export PATH=$PATH:/usr/lib/xen-common/xapi/bin ==<div id="ballooning-work-around">Memory and Dom0</div>==
    3 KB (492 words) - 04:42, 26 June 2014
  • ...s to execute "apt-get install xapi". This blueprint involves the necessary work to ensure Kronos is installable from the Ubuntu Universe archive for 12.04L Ubuntu 12.04LTS now provides XCP's XenAPI toolstack for Xen virtualization management.
    5 KB (875 words) - 22:01, 21 December 2011
  • ...rtualized guests on processors without the virtualization extensions see [[Xen ARM (PV)]].}} ...Xen on x86, read the [[Xen_ARM_with_Virtualization_Extensions_whitepaper| Xen on ARM whitepaper]].
    22 KB (3,396 words) - 17:27, 30 July 2021
  • <!--{{InfoLeft|TODAY, Wednesday December 2, is [[Xen Project Document Days|Document Day]]!}}--> {{WarningLeft|The Xen Project Wiki has been subject to a severe spam attack in the last several m
    6 KB (876 words) - 03:28, 3 December 2015
  • ...P is to execute "yum install xapi". This blueprint describes the necessary work to ensure that the XCP toolstack is included as an official feature of Fedo ...tacks (e.g. CloudStack, Eucalyptus, OpenNebula, OpenStack, etc.) on top of Xen, Xapi, and Fedora/CentOS.
    5 KB (782 words) - 13:08, 11 July 2013
  • === Why does not xl vcpu-set work as expected when I try to increase the number of VCPUs? === - See this [http://lists.xen.org/archives/html/xen-devel/2010-05/msg00516.html mailing list thread] for discussion of the rati
    3 KB (399 words) - 14:22, 12 November 2018
  • * On the [[#feedback_logo|Xen.org logo]] I am finally able to build a new website for Xen.org. The aim of this work is to create an engaging and integrated
    8 KB (1,281 words) - 11:28, 3 May 2013
  • '''Unfortunately, Xen.org did not get accepted as mentoring organization in 2012.''' ...d to get in touch with the xen.org community manager via community.manager@xen.org to register their interest
    6 KB (951 words) - 18:07, 2 February 2017
  • There are two main development trees which are interesting to Xen users/developers. === Xen Development Tree ===
    11 KB (1,761 words) - 19:06, 26 January 2017
  • ...xen-pcifront/xen_pcifront installed in the kernel for pci pass-through to work. Basically your kernel version must be v2.6.37+ to have it included by defa ...ubuntu.com/~kernel-ppa/mainline/, but apparently they're not compiled with Xen support or something because my XCP refused to boot the kernel complaining
    7 KB (1,115 words) - 10:58, 28 February 2012
  • ...project listed here please edit the page or send an email to xen-devel or xen-users mailinglist and we'll update the page. ...does not come with the 'xm' CLI you may have used for managing traditional Xen. Instead, XCP comes with several CLI management clients built into dom0 (th
    2 KB (305 words) - 12:47, 28 March 2014
  • ...pers have also created a set of [https://github.com/openstack-dev/devstack Xen DevStack scripts] for setting up XenServer (and XCP) with DevStack. ...ripts] are designed to get DevStack running on Citrix XenServer (they also work with XCP with a little bit of tweaking). Using these scripts will let you d
    5 KB (749 words) - 21:15, 25 June 2014
  • ...DME file here: https://github.com/openstack-dev/devstack/blob/master/tools/xen/README.md ...ch a spare USB disk to XCP and mount that to have the extra space there to work with
    6 KB (1,041 words) - 20:43, 25 June 2014
  • ...ack describes this version as 'qemu-xen', and this became the default from Xen 4.3 onward. ...talled using it. After a Dom0 upgrade to a newer Xen version the new 'qemu-xen' device model is recognized as a significant hardware change. Some guest op
    9 KB (1,526 words) - 10:09, 14 February 2019
  • | content1 = [[Xen Project Software Overview]] | content4 = [[Dom0 Kernels for Xen]]
    6 KB (849 words) - 11:17, 29 March 2015
  • ...cussions, Xen source code, and other support material contained within the Xen source-tree. 1. Build and install Xen with XSM enabled
    35 KB (5,495 words) - 09:02, 27 May 2015
  • ...d, mkinitramfs or dracut should be able to generate bootloader entries for Xen Project, see [[XenParavirtOps#GRUB1_and_GRUB2_.28Booting.29|this page]] for ...s, then the default boot entry should be changed to one that brings up the Xen Project kernel and dom0 successfully.
    4 KB (569 words) - 14:58, 21 April 2014
  • ...on native systems. Debian Installer has supported netboot installation of Xen as a PV guests (both i386 and amd64) since Lenny (Debian 5.0) was released ...to a native Debian system installed via the same mechanisms. Installing a Xen guest Debian Installer produces a fully configured Debian system without th
    15 KB (2,420 words) - 19:00, 9 February 2022
  • {{WarningLeft|The Xen Project Wiki has been subject to a severe spam attack in the last several m Go back to [[Xen Project Document Days]]
    21 KB (3,341 words) - 09:54, 19 January 2016
  • OrionVM has made available a library of guest images ready to boot on Xen Project 4.X+ hypervisors and pv-ops dom0. These images are compatible with the example Debian 6 dom0 in the [[Xen Beginners Guide]].
    1 KB (173 words) - 01:42, 11 January 2024
  • ...virtualization platform which provides a rich management API on top of the Xen hypervisor. The purpose of this blueprint is to discuss improvements to the # Doing integration work with other projects, such as Juju, Puppet and Ceph.
    2 KB (301 words) - 13:20, 5 August 2019
  • ...is an efficient and lightweight virtualization technique introduced by the Xen Project team, later adopted by other virtualization solutions. PV does not ...mance than full virtualization because the operating system and hypervisor work together more efficiently, without the overhead imposed by the emulation of
    4 KB (518 words) - 14:22, 20 April 2015
  • ...ticles related to running Xen on NUMA machines. In the articles describing work-in progress features, you will find the details about the situation and the
    6 members (0 subcategories, 0 files) - 13:02, 9 February 2015
  • ...ge table setup. Watch this space for more on event channels, grant tables, Xen bus etc. ...ck_start. KERNEL_SS is a default segment descriptor provided in the GDT by xen. Since the stack grows downwards in x86 processors, ESP points to an addres
    19 KB (2,903 words) - 13:04, 7 February 2018
  • [[Xen Roadmap]] = Xen 4.1 Feature Requests List =
    4 KB (782 words) - 13:47, 23 April 2012
  • [[Xen Roadmap]] = Xen 4.0 Feature Requests List =
    5 KB (820 words) - 10:32, 15 April 2016
  • * [[Xen Roadmap]] * [[File:Xen Roadmap Jul 2006.pdf]]
    80 KB (13,457 words) - 15:58, 25 November 2016
  • ...rpose of this document is to guide users through the process of installing Xen Project software from source (either from the tarball releases or from a so This document was written targeting the Xen Project 4.2 release, but an attempt will be made to point out differences f
    20 KB (3,075 words) - 20:46, 9 March 2022
  • == What is the Xen Project Hypervisor? == ...rtualization, security applications, embedded and hardware appliances. The Xen Project hypervisor is powering the largest clouds in production today.
    36 KB (5,612 words) - 13:44, 13 February 2024
  • It's assumed you have Xen (the Hypervisor) installed and a running Dom0 - see [[Xen_Beginners_Guide]] simply because NVIDIA will only work<br>
    7 KB (1,046 words) - 10:03, 28 February 2013

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