Xen 4.1.2 and 4.0.3 released

The Xen team is pleased to announce the release of the Xen releases 4.1.2 and 4.0.3 from the active stable branches. Note that these are source releases.

Fixes/features include:

  • New XL toolstack
  • Debug support: kexec/kdump
  • Remus (High Availability)
  • Device passthrough to HVM guests
  • Interrupt handling
  • Support for Supervisor Mode Execution Protection (SMEP)

Source distributions can be downloaded for Xen 4.1.2 and Xen 4.0.3.

These releases are tagged in the mercurial repositories at

Thank you to the developers who have contributed to the releases. Developers who conbibuted more than 1% of changesets to these releases: Keir Fraser (26.0%), Ian Campbell (18.6%), Jan Beulich (9.3%), Ian Jackson (6.4%), Tim Deegan (6.0%), Olaf Hering (4.8%), Stefano Stabellini (3.0%), Christoph Egger (2.0%), Gianni Tedesco (1.6%), Juergen Gross (1.5%), George Dunlap (1.5%), Liu Jinsong (1.3%), Eddie Dong (1.1%), Anthony Perard (1.0%) and Andrew Cooper (1.0%).

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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.