Entering freeze for libvirt-7.7.0
by Jiri Denemark
I have just tagged v7.7.0-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
3 years, 3 months
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Release of libvirt-7.6.0
by Jiri Denemark
The 7.6.0 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 any other feedback. Your work is
greatly appreciated.
* Security
* storage: Unlock pool objects on ACL check failures in ``storagePoolLookupByTargetPath`` (CVE-2021-3667)
A logic bug in ``storagePoolLookupByTargetPath`` where the storage pool
object was left locked after a failure of the ACL check could potentially
deprive legitimate users access to a storage pool object by users who don't
have access.
* New features
* qemu: Incremental backup support via ``virDomainBackupBegin``
libvirt-7.6 along with the unreleased qemu-6.1 will fully support the change
block tracking features (block-dirty-bitmaps) to be able to do incremental
backups and management of the checkpoint states via the appropriate APIs.
* qemu: Add support for launch security type s390-pv
Specifying s390-pv as launch security type in an s390 domain prepares for
running the guest in protected virtualization secure mode, also known as
IBM Secure Execution. This simplifies the definition and reduces the risk
of an incorrect definition, e.g. by forgetting to specify ``iommu=on`` on
all virtio devices.
* domstats: Add haltpolling time statistic interface
Domstats now provide the data of cpu haltpolling time. This feature relies
on statistics available after kernel version 5.8. This will allow the user
to get more accurate CPU usage information if needed.
* Bug fixes
* qemu: Fix migration with ``VIR_MIGRATE_NON_SHARED_INC``
libvirt 7.3.0 introduced a bug where ``VIR_MIGRATE_NON_SHARED_INC`` would
not actually migrate the contents of the disk due to broken logic and at
the same time could trigger migration of storage when
``VIR_MIGRATE_TUNNELLED`` is requested. This release fixes the bug.
* qemu: Don't emit ``VIR_DOMAIN_EVENT_ID_BLOCK_THRESHOLD`` twice when registered with index
When registering the threshold event with the index notation (e.g.
``vda[3]``) libvirt would emit the event also for ``vda`` if the image is
in the top layer. The intention was to emit two events only when the
original registration was done without the index.
* qemu: Pass discard requests for disks with ``copy_on_read='on'``
When a disk using the ``copy_on_read='on'`` option is configured also with
``discard='unmap'`` the discard requests will now be passed to the
underlying image freeing up the space.
Enjoy.
Jirka
3 years, 4 months
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