Entering freeze for libvirt-8.6.0
by Jiri Denemark
I have just tagged v8.6.0-rc1 in the repository and pushed signed
tarballs and source RPMs to https://libvirt.org/sources/
Please give the release candidate some testing and in case you find a
serious issue which should have a fix in the upcoming release, feel
free to reply to this thread to make sure the issue is more visible.
If you have not done so yet, please update NEWS.rst to document any
significant change you made since the last release.
Thanks,
Jirka
2 years, 4 months
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Release of libvirt-8.5.0
by Jiri Denemark
The 8.5.0 release of both libvirt and libvirt-python is tagged and
signed tarballs and source RPMs are available at
https://libvirt.org/sources/
https://libvirt.org/sources/python/
Thanks everybody who helped with this release by sending patches,
reviewing, testing, or providing feedback. Your work is greatly
appreciated.
* New features
* qemu: Introduce support for network backed NVRAM
Users can now use remote store NVRAM image by specifying newly introduced
attribute `type='network'` with `<nvram>` element.
* qemu: Add support for post-copy migration recovery
A new ``VIR_MIGRATE_POSTCOPY_RESUME`` flag (``virsh migrate --postcopy-resume``)
was introduced for recovering from a failed post-copy migration.
* Introduce thread_pool_min and thread_pool_max attributes to IOThread
New attributes ``thread_pool_min`` and ``thread_pool_max`` were introduced
to ``<iothread/>`` as well as new ``<defaultiothread/>`` element with the
same attributes. This way it's possible to instruct QEMU to spawn enough
worker threads for an IOThread upfront, resulting in predictable time
needed to process an I/O request.
* Improvements
* Define a TFTP server without a DHCP server in network configuration
It's now possible to define a network with no DHCP server but with a TFTP
server. This may be useful when DHCP service is provided by other entity on
the network than libvirt spawned dnsmasq.
* Bug fixes
* qemu: Restore label to temp file in qemuDomainScreenshot()
When virDomainScreenshot() is called, libvirt instructs QEMU to save the
screenshot into a temporary file. This file needs to be labelled correctly,
so that QEMU can access it. And since the file is temporary (it's deleted
after the screenshot was taken) the corresponding label restore was
missing. This proven to be problematic for profile based models, like
AppArmor, where the temporary files were added into the profile but never
removed, which resulted in longer profile recalculation times.
* qemuBuildInterfaceConnect: Initialize @tapfd array
Due to an uninitialized array, unsuccessful attempt to start a guest with
an ``<interface/>`` might have resulted in closing of a random FD and thus
sudden disconnect of a client or other random failures.
* qemu: Fix hotplug of network interfaces
A logic bug introduced in a recent refactor was fixed. The bug caused a
problem when hot-adding a network interface, which failed with the
following error::
error: internal error: unable to execute QEMU command 'netdev_add': File descriptor named '(null)' has not been found
* Fix ``startupPolicy`` validation for ``block`` disks
Setting of ``startupPolicy`` for a block disk would result in an error due
to a logic bug in a recent refactor.
* qemu: Fix crash when overriding device properties via ``<qemu:override>`` element
Adding an override for a device property would result in a crash of the qemu
driver.
Enjoy.
Jirka
2 years, 5 months
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