Before Christmas, the Xen Project ran a community consultation to refine its Security Problem Response Process.  We recently approved changes that, in essence, are tweaks to our existing process, which is…
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And by “a ride”, we actually mean a ride. Like this:  Like, will Xen run in your car? Well, it appears it will! It all started with ARM Support…
I’ve been release coordinator for Xen’s 4.3 and 4.4 releases. For the 4.5 release, I’ve handed this role off to Konrad Wilk, from Oracle. In this blog, I try to…
With Xen on ARM getting out of the early preview phase and becoming more mature, it is time to run a few benchmarks to check that the design choices paid…
This week, we are reblogging this excellent piece from Luis from SUSE. The article came about because of a discussion Luis had at the Linux Foundation Collaboration Summit in Napa,…
Background The Graphics Processing Unit (GPU) has become a fundamental building block in today’s computing environment, accelerating tasks from entertainment applications (gaming, video playback, etc.) to general purpose windowing (Windows*…
Currently the Xen Project’s automatic testing setup runs on a small set of hardware in space borrowed from Citrix. Because it’s on the Citrix network, it’s not possible to give…
Today I’d like to talk about a functionality of Xen you may not have heard of, but might have actually used without even knowing it. If you use memory ballooning…
The Linux v3.14 will sport a new mode in which the Linux kernel can run thanks to Mukesh Rathor (Oracle). Called ‘ParaVirtualized Hardware,’ it allows the guest to utilize many…
As most FreeBSD users already know, FreeBSD 10 has just been released, and we expect this to be a very good release regarding Xen support. FreeBSD with Xen support includes…
Originally posted on my blog, here. Xen has had a long history in libvirt. In fact, it was the first hypervisor supported by libvirt. I’ve witnessed an incredible evolution of…
The Xen ARINC 653 scheduler is a real time scheduler that has been in Xen since 4.1.0. It is a cyclic executive scheduler with a specific usage in mind, so…
The researchers at Washington University in St. Louis and University of Pennsylvania are pleased to announce, here on this blog, the release of a new and greatly improved version of…
Yes, today (Tuesday, October 8th) is one of the Fedora 20 Test Days, more specifically, Virtualization Test Day. Specific information regarding testing Xen on the new Fedora can be found…
Xen has long history and many features. Sometimes even experienced developers cannot be sure whether their new code is regression-free. To make sure new code doesn’t cause regression, Ian Jackson…
Here is an update about feature completeness of QEMU compared to the old qemu-traditional. But first, what is the difference between QEMU and qemu-traditional? QEMU is the software that can…
One of the stated goals for 2013 and 2014 of the Xen Project Advisory Board is to Increase upstream Xen Hypervisor quality including the quality of its latest CPU and…
The following monologue explains how Linux drivers are able to program a device when running in a Xen virtual machine on ARM. The problem that needs to be solved is…
Some time ago Konrad Rzeszutek Wilk (the Xen Linux maintainer) came up with a list of possible improvements to the Xen PV block protocol, which is used by Xen guests…
My name is Julien Grall. Â I joined the Citrix Open Source team few months ago to work on Xen on ARMÂ with Ian Campbell and Stefano Stabellini. Since Citrix has joined…
So, how many of you use Debian? I bet a lot. Well, here it is what the Debian Xen package maintainers told The Xen Project, when asked a few questions….
Xenproject.org is pleased to announce the release of Xen 4.3.0. The release is available from the download page: Xen 4.3.0: Download, Source (tag RELEASE-4.3.0), release notes. Xen 4.3 is the…
As many of you might have (inevitably) noticed, Xen frontend / backend network drivers in Linux suffered from regression several months back after the XSA-39 fix (various reports here, here…
As it is widely know, really tough Open Source users –the ones that wear sandals, colored hats of various kind, and are equipped with long enough UNIX beards— always install…
I’ve started to work on the Xen on ARM project by trying to get Xen running on the nice little Samsung Chromebook which run an ARM processor with the virtualization…