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news: Update for 5.1.0 release
Not exhaustive list of new features, improvements and bugfixes. Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Andrea Bolognani <abologna@redhat.com> Reviewed-by: John Ferlan <jferlan@redhat.com>
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docs/news.xml
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docs/news.xml
@ -69,8 +69,94 @@
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Model Specific Registers (MSRs) reads and writes.
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</description>
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</change>
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<change>
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<summary>
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QEMU: add support for encrypted VNC TLS keys
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</summary>
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<description>
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Use the password stored in the secret driver under the uuid
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specified by the <code>vnc_tls_x509_secret_uuid</code> option
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in QEMU.conf.
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</description>
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</change>
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<change>
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<summary>
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Add storage pool namespace options
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</summary>
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<description>
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Allow for adjustment of RBD configuration options via Storage
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Pool XML Namespace adjustments.
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</description>
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</change>
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<change>
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<summary>
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QEMU: Add support for setting post-copy migration bandwidth
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</summary>
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<description>
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Users can now limit the bandwidth of post-copy migration, e.g.
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via <code>virsh migrate --postcopy-bandwidth</code>.
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</description>
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</change>
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</section>
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<section title="Improvements">
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<change>
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<summary>
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Create private chains for virtual network firewall rules
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</summary>
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<description>
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Historically firewall rules for virtual networks were added
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straight into the base chains. This works but has a number of
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bugs and design limitations. To address them, libvirt now puts
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firewall rules into its own chains.
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</description>
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</change>
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<change>
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<summary>
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Detect CEPH and GPFS as shared FS
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</summary>
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<description>
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When starting a migration libvirt performs some sanity checks
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to make sure domain will be able to run on the destination.
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One of the requirements is that the disk has to either be
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migrated too or be accessible from a network filesystem. CEPH
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and GPFS weren't detected as a network filesystem.
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</description>
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</change>
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<change>
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<summary>
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Advertise network MTU via DHCP when specified
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</summary>
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<description>
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If network MTU is set and the network has DHCP enabled,
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advertise the MTU in DHCP transaction too so that clients can
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adjust their link accordingly.
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</description>
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</change>
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<change>
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<summary>
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Allocate QEMU memory at the configured NUMA nodes from start
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</summary>
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<description>
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Libvirt used to just start QEMU, let it allocate memory for
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the guest, and then use CGroups to move the memory to
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configured NUMA nodes. This is suboptimal as huge chunks of
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memory have to be moved. Moreover, this relies on ability to
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move memory later which is not always true. A change was made
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to set process affinity correctly from the start so that memory
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is allocated on the configured nodes from the beginning.
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</description>
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</change>
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<change>
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<summary>
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Support for newer Wireshark
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</summary>
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<description>
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Adapt libvirt to use the more recent release requiring a
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source build configuration of libvirt
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<code>--with-wireshark</code> to upgrade to the more recent
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version.
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</description>
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</change>
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</section>
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<section title="Bug fixes">
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<change>
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@ -133,6 +219,102 @@
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attribute of the network bridge element).
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</description>
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</change>
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<change>
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<summary>
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QEMU: Fix i6300esb watchdog hotplug on Q35
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</summary>
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<description>
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Ensure that libvirt allocates a PCI address for the device so
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that QEMU did not default to an address that would not allow
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for device hotplug.
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</description>
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</change>
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<change>
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<summary>
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lxc: Don't reboot host on virDomainReboot
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</summary>
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<description>
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If the container is really a simple one (init is just bash and
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the whole root is passed through) then virDomainReboot and
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virDomainShutdown would reboot or shutdown the host. The
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solution is to use different method to reboot or shutdown the
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container in that case (e.g. signal).
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</description>
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</change>
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<change>
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<summary>
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rpc: Various stream fixes
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</summary>
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<description>
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One particular race was fixed, one locking problem and error
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reporting from streams was made better.
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</description>
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</change>
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<change>
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<summary>
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QEMU: Fix guestfwd hotplug/hotunplug
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</summary>
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<description>
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Fixed the generation of the guestfwd hotplug/unplug command
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sent to QEMU to match the syntax used when creating the
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initial command line.
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</description>
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</change>
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<change>
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<summary>
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QEMU: Forbid CDROMs on virtio bus
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</summary>
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<description>
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Attempting to create an empty virtio-blk drive or attempting
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to eject it results into an error. Forbid configurations
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where users would attempt to use CDROMs in virtio bus.
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</description>
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</change>
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<change>
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<summary>
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QEMU: Use 'raw' for 'volume' disks without format
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</summary>
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<description>
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Storage pools might want to specify format of the image when
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translating the volume thus libvirt can't add any default
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format when parsing the XML. Add an explicit format when
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starting the VM and format is not present neither by user
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specifying it nor by the storage pool translation function.
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</description>
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</change>
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<change>
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<summary>
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QEMU: domain: Assume 'raw' default storage format also for network storage
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</summary>
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<description>
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Post parse callback adds the 'raw' type only for local files.
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Remote files can also have backing store (even local) so we
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should do this also for network backed storage.
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</description>
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</change>
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<change>
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<summary>
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QEMU: Fix block job progress reporting and advocate for READY event
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</summary>
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<description>
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In some cases QEMU can get to 100% and still not reach the
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synchronised phase. Initiating a pivot in that case will fail.
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Therefore it is strongly advised to wait for
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<code>VIR_DOMAIN_BLOCK_JOB_READY</code> event which does not
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suffer from this problem.
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</description>
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</change>
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<change>
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<summary>
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QEMU: Don't format image properties for empty drive
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</summary>
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<description>
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If a <code>-drive</code> has no image, then formatting
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attributes such as cache, readonly, etc. would cause errors to
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be reported from QEMU. This was fixed by not supplying the
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attributes for devices without an image.
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</description>
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</change>
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</section>
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</release>
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<release version="v5.0.0" date="2019-01-15">
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