The Xen community achieved a major milestone last summer when all the necessary components for Xen dom0 support made it into the upstream kernel for the 3.0 release. However, during that process developers were focused on functionality, and not on performance. As a result a handful of performance regressions
Last week we finally crossed the last major remaining issues off the Xen 4.2 TODO list. This means that the release plan now looks like this: * 19 March — TODO list locked down * 2 April — Feature Freeze * 30 July — First release candidate WE ARE HERE * Weekly â€
Rather than write a long report about what was new and exciting at OSCON this year, I will keep the event report short. Just one word: OSCON is mainly a conference for charities, companies, government and any organization that want to get an overview of what happened in open source
We now have PCI passthrough support in QEMU upstream, this was one of the missing pieces needed to have a full featured QEMU device model. But there is still more work to do on it. Why do we use QEMU? We use QEMU in Xen to emulate a part of
All of this week Ian Jackson and myself have been have been attending DebConf12 in Managua, Nicaragua. This is the annual conference of the Debian Project, hosted this year by Universidad Centroamericana. There have already been several days of talks, including the traditional “Bits from… ” talks from the release teams,
A quick round-up of Xen events in June. We hope to meet you in person! XenSummit, August 27-28: Agenda is published I have just published the XenSummit event agenda. We will have 30 talks in two tracks this year. And the line-up this year looks fantastic! Check it out. Do
Xen.org recently released a number of (related) security updates, XSA-7 through to -9. This was done by the Xen.org Security Team who are charged with following the Xen.org Security Problem Response Process. As part of the process of releasing XSA-7..9 several short-comings (a few of which
It’s been a while since the last 4.2 release update and a lot has changed since then, so I suppose it is time for another update. Way back at the start of April I posted the previous update which suggested we’d be doing the first release candidates
We have another Xen document day come up next Monday. Xen Document Days are for people who care about Xen Documentation and want to improve it. Everybody who can and wants contribute is welcome to join! For a list of items that need work, check out the community maintained TODO
Laws, like sausages, cease to inspire respect in proportion as we know how they are made. – John Godfrey Saxe, 1869. Most open source projects, Xen.org included, do what is called “coordinated disclosure” of security problems. The idea is that we keep security bugs secret until people have had a
I wanted to thank everybody who submitted a proposal to speak for XenSummit. This year we had the most submissions we ever had. The XenSummit Program Management Committee, which is made up of * David Nalley (Cloudstack.org) * Donald D Dugger (Intel) * Ian Campbell (Citrix) * Konrad Rzeszutek Wilk (Oracle) and * Lars
The Xen Security team recently disclosed a vulnerability, Xen Security Advisory 7 (CVE-2012-0217), which would allow guest administrators to escalate to hypervisor-level privileges. The impact is much wider than Xen; many other operating systems seem to have the same vulnerability, including NetBSD, FreeBSD, some versions of Microsoft Windows (including Windows