Xen 4.1.1 maintenance release available

We are pleased to announce the availability of the Xen 4.1.1 maintenance release, the first maintenance release of the Xen 4.1 series. The release can be downloaded from the download pages.

Xen 4.1.1 sports the following changes:

  • Security fixes including CVE-2011-1583 CVE-2011-1898
  • Enhancements to guest introspection (VM single stepping support for very fine-grained access control)
  • Many stability improvements, such as: 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 and changes to libxc, mainly of benefit to libvirt
  • Compatibility fixes for newer Linux guests, newer compilers, some old guest savefiles, newer Python, grub2, some hardware/BIOS bugs.

For those yet to make the jump to the Xen 4.1 series, we have also made available Xen 4.0.2, a maintenance release in the Xen 4.0 series making available a subset of the fixes listed above.

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About Lars Kurth

Lars Kurth is a highly effective, passionate community manager with strong experience of working with open source communities (Symbian, Symbian DevCo, Eclipse, GNU) and currently is community manager for xen.org. Lars has 9 years of experience building and leading engineering teams and a track record of executing several change programs impacting 1000 users. Lars has 16 years of industry experience in the tools and mobile sector working at ARM, Symbian Ltd, Symbian Foundation and Nokia. Lars has strong analytical, communication, influencing and presentation skills, good knowledge of marketing and product management and extensive background in C/C , Java and software development practices which he learned working as community manager, product manager, chief architect, engineering manager and software developer. If you want to know more, check out uk.linkedin.com/in/larskurth. Personally, Lars has a wide range of interests such as literature, theatre, cinema, cooking and gardening. He is particularly fascinated by orchids and carnivorous plants and has built a rather large collection of plants from all over the world. His love for plants extends into a passion for travel, in particular to see plants grow in their native habitats.