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  • Xen 4.2 Releases
    experience on large systems Other new features such as multiple PCI segment support have also made a positive impact on such systems Improved security The XSM Flask subsystem has seen several enhancements including improved support for disaggregated systems and a rewritten example policy which is clearer and simpler to modify to suit local requirements Documentation The Xen documentation has been much improved both the in tree documentation and the Xen 4 2 Wiki Documentations This is in no small part down to the success of the Xen Document Days so thanks to all who have taken part Related Projects The Xen project continues to work closely with its upstream projects Of particular note in the Xen 4 2 release cycle is the upstreaming of the HVM device model support into qemu After the Linux dom0 support merged upstream in Linux 3 0 the qemu derived device model was the largest remaining piece of code which required upstreaming Support for Xen was merged into upstream prior to the qemu 0 15 release and is supported as an option using the XL toolstack It will become the default in 4 3 Alongside this support we have also gained support for SeaBIOS and Tianocore OVMF a UEFI BIOS Acknowledgements Contributions to Xen 4 2 made to this release by 124 individuals from 43 organizations not counting contributions to external projects such as the BSDs Linux or qemu The diagram below shows organisations which contributed more than 1 in lines of code to the Xen 4 2 release Several items in the diagram discribe groups of people or organisations Individual covers contributions by individuals whose affiliation is unknown Misc covers contributions by commercial organisations which did not go above 1 individually and University covers contributions by Universities which did not go above 1 individually For a complete breakdown of community contributions see Xen 4 2 Acknowledgements Further Information Xen 4 2 Download Xen 4 2 Release Notes Xen 4 2 Feature List Xen 4 2 Manual Pages Xen 4 2 Documentations Xen 4 x Feature Matrix Xen 4 x Manuals Xen Community Blog Xen Wiki and Documentation twitter xen org xen About Xen org Xen org is the home of the open source Xen hypervisor a fast secure industry standard code base for operating system virtualization Founded and led by Ian Pratt the community benefits from the contributions of senior engineers from leading hardware software and security vendors Xen org is run for the benefit of the community by the Xen Project Advisory Board which is drawn from leading contributors to the project For more information visit www xen org Forward Looking Statements Disclosure Citrix Systems Inc is a contributor to and hosts Xen org This release contains forward looking statements which are made pursuant to the safe harbor provisions of Section 27A of the Securities Act of 1933 and of Section 21E of the Securities Exchange Act of 1934 The forward looking statements in this release including without limitation statements made by representatives

    Original URL path: http://xen.xensource.com/news/2012/09_Xen_4_2_Releases.html (2016-02-13)
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  • XCP in Ubuntu Server 12.04 LTS : “apt-get install xcp-xapi“
    0 For more information see the XCP API package and documentation This is just the beginning XCP in Ubuntu will evolve with the help of our user and developer communities You can influence the direction of XCP in Ubuntu by attending the XCP design and Xen design session at Ubuntu Developer Summit Q Supporting Quotes The inclusion of XCP into Ubuntu lets users keep up to date with Xen with a single command said Paul Oh Director of Business Development at Canonical The combination of Xen and Ubuntu offers a compelling combination of performance and security for the Cloud that Ubuntu users will find very compelling The collaboration between the Xen and Ubuntu communities was a great example of the power of open source XCP XAPI packages in Ubuntu will enable Ubuntu users to build Xen based clouds more easily said Mark Heath VP of Products for XenServer at Citrix As we continue to integrate and optimize Xen and XCP with Ubuntu we look forward to meeting our users needs and helping to evolve better solutions for cloud I am pleased that project Kronos which was started five months ago has delivered XCP into Ubuntu Server 12 04 LTS Until now it was only possible to use XCP in Linux appliances within a tightly controlled environment In Ubuntu Server 12 04 LTS we changed how users interact with XCP providing much more flexibility and enabling anybody to use Ubuntu as a XCP Dom0 kernel said Lars Kurth Community Manager Xen org I am also very excited about the possibilities this opens to build CloudStack Eucalyptus OpenNebula and OpenStack powered clouds on Ubuntu and XCP XAPI Further Information Xen Documentation on Ubuntu XCP API package on Ubuntu XCP XAPI documentation on Ubuntu XCP OpenStack documentation About Xen org Xen org is the home of the open source Xen hypervisor a fast secure industry standard code base for operating system virtualization Founded and led by Ian Pratt the community benefits from the contributions of senior engineers from leading hardware software and security vendors Xen org is run for the benefit of the community by the Xen Project Advisory Board which is drawn from leading contributors to the project For more information visit www xen org Forward Looking Statements Disclosure Citrix Systems Inc is a contributor to and hosts Xen org This release contains forward looking statements which are made pursuant to the safe harbor provisions of Section 27A of the Securities Act of 1933 and of Section 21E of the Securities Exchange Act of 1934 The forward looking statements in this release including without limitation statements made by representatives of contributors to Xen org do not constitute guarantees of future performance Investors in contributors to Xen org are cautioned that statements in this press release which are not strictly historical statements involve risks that could cause actual results to differ materially including risks associated with the impact of the global economy and uncertainty in the IT spending environment the demand for cloud

    Original URL path: http://xen.xensource.com/news/2012/05_xcp_in_ubuntu_server_12_04_LTS.html (2016-02-13)
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  • Xen Hypervisor Source
    operations allow invalid extent order values CVE 2012 5525 XSA 32 several hypercalls do not validate input GFNs Among many bug fixes and improvements around 100 since Xen 4 2 0 A fix for a long standing time management issue Bug fixes for S3 suspend to RAM handling Bug fixes for other low level system state handling Bug fixes and improvements to the libxl tool stack Bug fixes to nested virtualization The Xen 4 2 release incorporates many new features and improvements to existing features There are improvements across the board including to Security Scalability Performance and Documentation XL is now the default toolstack Significant effort has gone in to the XL tool toolstack in this release and it is now feature complete and robust enough that we have made it the default This toolstack can now replace xend in the majority of deployments see XL vs Xend Feature Comparison As well as improving XL the underlying libxl library has been significantly improved and supports the majority of the most common toolstack features In addition the API has been declared stable which should make it even easier for external toolstack such as libvirt and XCP s xapi to make full use of this functionality in the future Large Systems Following on from the improvements made in 4 1 Xen now supports even larger systems with up to 4095 host CPUs and up to 512 guest CPUs In addition toolstack feature like the ability to automatically create a CPUPOOL per NUMA node and more intelligent placement of guest VCPUs on NUMA nodes have further improved the Xen experience on large systems Other new features such as multiple PCI segment support have also made a positive impact on such systems Improved security The XSM Flask subsystem has seen several enhancements including improved

    Original URL path: http://xen.xensource.com/download/index_4.2.1.html (2016-02-13)
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  • Xen Hypervisor Archives
    page More information on policies related to Xen Maintenance releases can be found here Supported Xen 4 2 series Xen 4 2 2 Xen 4 2 1 Xen 4 2 0 Supported Xen 4 1 series Xen 4 1 5 Xen 4 1 4 Xen 4 1 3 Xen 4 1 2 Xen 4 1 1 Xen 4 1 0 Unsupported Xen 4 0 series Xen 4 0 4 Xen 4 0 3 Xen 4 0 2 Xen 4 0 1 Xen 4 0 0 Community supported Xen 3 4 series Xen 3 4 4 Xen 3 4 3 Xen 3 4 2 Xen 3 4 1 Xen 3 4 0 Legacy Xen series Xen 3 3 2 Xen 3 3 1 Xen 3 3 0 Xen 3 2 3 Xen 3 2 2 Xen 3 2 1 Xen 3 2 0 Xen 3 1 4 Xen 3 1 3 Xen 3 0 4 Xen 3 0 3 Xen 3 0 2 Xen 2 0 x Downloading or installing any package from this page constitutes an acknowledgement and acceptance of the warranty disclaimer and copyright information News Press Releases Blog Resources Wiki Sources Downloads Governance Security Information Connect Mailing Lists

    Original URL path: http://xen.xensource.com/products/xen_archives.html (2016-02-13)
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  • Xen Hypervisor Source
    2012 4539 XSA 24 Grant table hypercall infinite loop DoS vulnerability CVE 2012 4544 CVE 2012 2625 XSA 25 Xen domain builder Out of memory due to malicious kernel ramdisk CVE 2012 5510 XSA 26 Grant table version switch list corruption vulnerability CVE 2012 5511 XSA 27 several HVM operations do not validate the range of their inputs CVE 2012 5512 XSA 28 HVMOP get mem access crash HVMOP set mem access information leak CVE 2012 5513 XSA 29 XENMEM exchange may overwrite hypervisor memory CVE 2012 5514 XSA 30 Broken error handling in guest physmap mark populate on demand CVE 2012 5515 XSA 31 Several memory hypercall operations allow invalid extent order values Among many bug fixes and improvements almost 100 since Xen 4 1 3 Highlights are A fix for a long standing time management issue Bug fixes for S3 suspend to RAM handling Bug fixes for other low level system state handling It also contains the following fixes from earlier maintenance releases Security fixes including CVE 2011 1583 CVE 2011 1898 CVE 2012 0217 XSA 7 CVE 2012 0218 XSA 8 CVE 2012 2934 XSA 9 CVE 2012 3432 XSA 10 and CVE 2012 3433 XSA 11 Enhancements to guest introspection VM single stepping support for very fine grained access control Many bug fixes and improvements such as Updates for the latest Intel AMD CPU revisions Bug fixes and improvements to the libxl tool stack Bug fixes for IOMMU handling device passthrough to HVM guests Bug fixes for host kexec kdump PV on HVM stability fixes fixing some IRQ issues XSAVE cpu feature support for PV guests allows safe use of latest multimedia instructions RAS fixes for high availability fixes for offlining bad pages changes to libxc mainly of benefit to libvirt New XL toolstack Debug support

    Original URL path: http://xen.xensource.com/download/index_4.1.4.html (2016-02-13)
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  • XCP 1.6 Download
    6 is 61809c If you have tested or installed any of the beta releases of XCP 1 6 you may want to read Additional Information for XCP 1 6 Beta Users XCP 1 6 Release Notes XCP 1 6 Manuals Reporting Bugs If you would like to report a possible bug please email the xen api mailing list with the subject XCP 1 6 BUG subject Please read the the bug reporting guide before raising a bug Additional Information for XCP 1 6 Beta Users Upgrading to XCP 1 6 from the Beta Releases You should be able to automatically upgrade from XCP 1 6 beta 2 onwards to XCP final For more information and for more information on the beta 1 6 release history see the XCP 1 6 Release Notes General Information about XCP XCP Overview XCP Features XCP Manuals Installable Distribution Base ISO Host Installation Program md5 Source Distribution Below are the sources of the above binary components packaged into ISO format For information on source repositories see here Binary Package Contains all the binary files that are contained in the installable image md5 Source Package Contains the sources for most of the core components of XCP

    Original URL path: http://xen.xensource.com/download/xcp/index_1.6.0.html (2016-02-13)
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  • XCP Archives
    here XCP 1 6 XCP 1 5 Beta replaced by 1 6 XCP 1 1 XCP 1 0 XCP 0 5 XCP 0 1 1 feature list only XCP 0 1 feature list only Downloading or installing any package from this page constitutes an acknowledgement and acceptance of the warranty disclaimer and copyright information News Press Releases Blog Resources Wiki Sources Downloads Governance Security Information Connect Mailing Lists Search Mailing

    Original URL path: http://xen.xensource.com/products/xcp/archives.html (2016-02-13)
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  • XCP 1.1 Download
    disks in any type of SR Previously it was only available for disks in NFS and EXT SRs Block SCSI Generic Support BSG support added enabling full compatibility with Emulex and QLogic management functionality Enhanced guest OS support Support for Red Hat Enterprise Linux RHEL 6 For OpenStack and others support for ebtables and other netfilter options have been added to the kernel These options have been disabled by default but can be re enabled with simple sysctl commands These are the same kernel changes that will be included the upcoming XCP 1 5 release and have been included in XenServer 6 0 The Xapi version override feature has been added back in This allows users to effectively rebrand their XCP boxes as XenServer hosts in order to work better with products such as XenCenter Note that we promoted the XCP 1 1 RC1 release candidate to final release status so if you ve already installed the RC1 release there is no reason to upgrade Installable Distribution Base ISO Host Installation Program md5 Security Updates to XCP 1 1 Security RPMs To install the RPMs download them to your dom0 and install with rpm U The RPM s fix CA 77741 Apply patches for XSA7 CVE 2012 0217 and XSA8 CVE 2012 0218 CIS3 Add fixes for Oxford Hotfix Jones XS56ESP2013 CA 73604 detect PVS using source port instead of filename CA 53613 Xen FP emulator error CA 54256 Import fix to racy ASSERT from unstable CA 65268 prevent the kexec path attempting to spinlock an uninitialised variable hanging the box CA 65267 Remove time calibration verbose for HFX 223 It causes a deadlock in an irq handler under certain circumstances CA 58864 backport fix for CVE 2011 1898 CA 57424 backport fix for CVE 2011 1583 Source Distribution Below

    Original URL path: http://xen.xensource.com/download/xcp/index_1.1.0.html (2016-02-13)
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