As planned I tagged the release in git, the tree is now open for development. A signed tarball and rpms are available from the usual place: ftp://libvirt.org/libvirt/ I also made release of the python bindings, libvirt-python-3,2,0 is available from: ftp://libvirt.org/libvirt/python/ This new release includes a number of new user visible features as well as some improvement and bug fixes too: * New features - The virt-host-validate tool now supports bhyve hypervisor - Introduce NVDIMM memory model NVDIMM is new type of memory introduced into QEMU 2.6. The idea is that we have a non-volatile memory module that keeps the data persistent across domain reboots and offers much faster data accesses. However, due to a bug in QEMU, this feature is not enabled for QEMUs older than 2.9.0. - qemu: Introduce support for generic PCIe Root Ports For new controllers, a generic device (pcie-root-port) will be used by default instead of the Intel-specific device (ioh3420), provided the QEMU binary supports it. - qemu: Add support for checking guest CPU ABI compatibility When migrating a domain to a different host, restoring a domain from a file or reverting a snapshot libvirt will make sure the guest CPU QEMU presents to the guest OS exactly matches the one provided on the source host (or before the domain's state was saved). This enhanced check may also be requested when starting a new domain to ensure the virtual CPU exactly matches the one specified in the XML. - qemu: Add support to migrate using TLS Add the ability to migrate QEMU guests using TLS via a new flag VIR_MIGRATE_TLS or virsh migrate '--tls' option. Requires using at least QEMU 2.9.0 in order to work properly. - qemu: add mediated devices framework support Recent kernel version introduced new mediated device framework, so provide an initial support of this framework for libvirt, mainly by introducing a new host device type in the XML. - qemu: Add support for setting TSC frequency Setting TSC frequency is required to enable migration for domains with 'invtsc' CPU feature turned on. - Add support for block device threshold event When using thin provisioning, management tools need to resize the disk in certain cases. To avoid having them to poll disk usage this version introduces an event which will be fired when a given offset of the storage is written by the hypervisor. Together with the API it allows registering thresholds for given storage backing volumes and this event will then notify management if the threshold is exceeded. Currently only the qemu driver supports this. - bhyve: Add support for UEFI boot ROM, VNC, and USB tablet The bhyve driver now supports booting using the UEFI boot ROM, so non-FreeBSD guests that support UEFI could be booted without using an external boot loader like grub-bhyve. Video is also supported now, allowing to connect to guests via VNC and use an USB tablet as an input device. Please refer to the driver page for domain XML examples. * Improvements - qemu: Detect host CPU model by asking QEMU on x86_64 Previously, libvirt detected the host CPU model using CPUID instruction, which caused libvirt to detect a lot of CPU features that are not supported by QEMU/KVM. Asking QEMU makes sure we don't start it with unsupported features. - perf: Add more perf statistics Add support to get the count of cpu clock time, task clock time, page faults, context switches, cpu migrations, minor page faults, major page faults, alignment faults, emulation faults by applications running on the platform. - Write hyperv crash information into vm log qemu's implementation of the hyperv panic notifier now reports information about the crash from the guest os. Starting with this version, libvirt logs the information to the vm log file for possible debugging. * Bug fixes - QEMU: Use adaptive timeout for connecting to monitor When starting qemu, libvirt waits for qemu to create the monitor socket which libvirt connects to. Historically, there was sharp 30 second timeout after which the qemu process was killed. This approach is suboptimal as in some scenarios with huge amounts of guest RAM it can take a minute or more for kernel to allocate and zero out pages for qemu. The timeout is now flexible and computed by libvirt at domain startup. - Overwrite (clear) 2 KB instead of just 512 bytes when initializing logical device - Describe the logical backend requirements better for pool-create-as Thanks everybody for your help with this release, be it with ideas, bug reports, patches, reviews, localization, docs ... Enjoy ! Daniel -- Daniel Veillard | Red Hat Developers Tools http://developer.redhat.com/ veillard@xxxxxxxxxx | libxml Gnome XML XSLT toolkit http://xmlsoft.org/ http://veillard.com/ | virtualization library http://libvirt.org/ -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list
