Merge tag 'v9.18.31' into bind-9.18
This commit is contained in:
Michal Nowak
@@ -18,6 +18,8 @@ Changelog
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development. Regular users should refer to :ref:`Release Notes <relnotes>`
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for changes relevant to them.
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.. include:: ../changelog/changelog-9.18.31-S1.rst
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.. include:: ../changelog/changelog-9.18.31.rst
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.. include:: ../changelog/changelog-9.18.30-S1.rst
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.. include:: ../changelog/changelog-9.18.30.rst
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.. include:: ../changelog/changelog-9.18.29-S1.rst
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@@ -37,6 +37,7 @@ https://www.isc.org/download/. There you will find additional
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information about each release, and source code.
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.. include:: ../notes/notes-known-issues.rst
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.. include:: ../notes/notes-9.18.31.rst
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.. include:: ../notes/notes-9.18.30.rst
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.. include:: ../notes/notes-9.18.29.rst
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.. include:: ../notes/notes-9.18.28.rst
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11
doc/changelog/changelog-9.18.31-S1.rst
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11
doc/changelog/changelog-9.18.31-S1.rst
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.. Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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..
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.. SPDX-License-Identifier: MPL-2.0
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..
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.. This Source Code Form is subject to the terms of the Mozilla Public
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.. License, v. 2.0. If a copy of the MPL was not distributed with this
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.. file, you can obtain one at https://mozilla.org/MPL/2.0/.
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..
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.. See the COPYRIGHT file distributed with this work for additional
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.. information regarding copyright ownership.
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114
doc/changelog/changelog-9.18.31.rst
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114
doc/changelog/changelog-9.18.31.rst
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@@ -0,0 +1,114 @@
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.. Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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..
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.. SPDX-License-Identifier: MPL-2.0
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..
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.. This Source Code Form is subject to the terms of the Mozilla Public
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.. License, v. 2.0. If a copy of the MPL was not distributed with this
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.. file, you can obtain one at https://mozilla.org/MPL/2.0/.
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..
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.. See the COPYRIGHT file distributed with this work for additional
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.. information regarding copyright ownership.
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BIND 9.18.31
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------------
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New Features
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~~~~~~~~~~~~
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- Added WALLET type. ``65d9f28b32d``
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Add the new record type WALLET (262). This provides a mapping from a
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domain name to a cryptographic currency wallet. Multiple mappings can
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exist if multiple records exist. :gl:`#4947` :gl:`!9555`
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Feature Changes
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~~~~~~~~~~~~~~~
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- Allow IXFR-to-AXFR fallback on DNS_R_TOOMANYRECORDS. ``1d6465ff169``
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This change allows fallback from an IXFR failure to AXFR when the
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reason is `DNS_R_TOOMANYRECORDS`. This is because this error condition
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could be temporary only in an intermediate version of IXFR
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transactions and it's possible that the latest version of the zone
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doesn't have that condition. In such a case, the secondary would never
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be able to update the zone (even if it could) without this fallback.
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This fallback behavior is particularly useful with the recently
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introduced `max-records-per-type` and `max-types-per-name` options:
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the primary may not have these limitations and may temporarily
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introduce "too many" records, breaking IXFR. If the primary side
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subsequently deletes these records, this fallback will help recover
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the zone transfer failure automatically; without it, the secondary
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side would first need to increase the limit, which requires more
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operational overhead and has its own adverse effect. :gl:`#4928`
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:gl:`!9472`
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- Remove statslock from dnssec-signzone. ``5c51e044c42``
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Silence Coverity CID 468757 and 468767 (DATA RACE read not locked) by
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converting dnssec-signzone to use atomics for statistics counters
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rather than using a lock. :gl:`#4939` :gl:`!9501`
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- Use release memory ordering when incrementing reference counter.
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``b2bbceecfe8``
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As the relaxed memory ordering doesn't ensure any memory
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synchronization, it is possible that the increment will succeed even
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in the case when it should not - there is a race between
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atomic_fetch_sub(..., acq_rel) and atomic_fetch_add(..., relaxed).
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Only the result is consistent, but the previous value for both calls
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could be same when both calls are executed at the same time.
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:gl:`!9568`
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Bug Fixes
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~~~~~~~~~
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- Fix a statistics channel counter bug when 'forward only' zones are
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used. ``5a6c5218ad1``
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When resolving a zone with a 'forward only' policy, and finding out
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that all the forwarders are marked as "bad", the 'ServerQuota' counter
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of the statistics channel was incorrectly increased. This has been
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fixed. :gl:`#1793` :gl:`!9503`
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- Fix a bug in the static-stub implementation. ``1e5bc23921e``
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Static-stub addresses and addresses from other sources were being
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mixed together, resulting in static-stub queries going to addresses
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not specified in the configuration, or alternatively, static-stub
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addresses being used instead of the correct server addresses.
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:gl:`#4850` :gl:`!9572`
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- Don't allow statistics-channel if libxml2 and libjson-c are
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unsupported. ``e8c2c9c9dca``
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When the libxml2 and libjson-c libraries are not supported, the
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statistics channel can't return anything useful, so it is now
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disabled. Use of `statistics-channel` in `named.conf` is a fatal
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error. :gl:`#4895` :gl:`!9487`
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- Limit the outgoing UDP send queue size. ``6c1fc4ae544``
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If the operating system UDP queue gets full and the outgoing UDP
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sending starts to be delayed, BIND 9 could exhibit memory spikes as it
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tries to enqueue all the outgoing UDP messages. Try a bit harder to
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deliver the outgoing UDP messages synchronously and if that fails,
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drop the outgoing DNS message that would get queued up and then
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timeout on the client side. :gl:`#4930` :gl:`!9512`
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- Do not set SO_INCOMING_CPU. ``694cb11a173``
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We currently set SO_INCOMING_CPU incorrectly, and testing by Ondrej
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shows that fixing the issue by setting affinities is worse than
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letting the kernel schedule threads without constraints. So we should
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not set SO_INCOMING_CPU anymore. :gl:`#4936` :gl:`!9505`
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- Don't enable REUSEADDR on outgoing UDP sockets. ``b902a4e214a``
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The outgoing UDP sockets enabled `SO_REUSEADDR` that allows sharing of
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the UDP sockets, but with one big caveat - the socket that was opened
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the last would get all traffic. The dispatch code would ignore the
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invalid responses in the dns_dispatch, but this could lead to
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unexpected results. :gl:`!9584`
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78
doc/notes/notes-9.18.31.rst
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78
doc/notes/notes-9.18.31.rst
Normal file
@@ -0,0 +1,78 @@
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.. Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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..
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.. SPDX-License-Identifier: MPL-2.0
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..
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.. This Source Code Form is subject to the terms of the Mozilla Public
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.. License, v. 2.0. If a copy of the MPL was not distributed with this
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.. file, you can obtain one at https://mozilla.org/MPL/2.0/.
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..
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.. See the COPYRIGHT file distributed with this work for additional
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.. information regarding copyright ownership.
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Notes for BIND 9.18.31
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----------------------
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New Features
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~~~~~~~~~~~~
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- Added WALLET type.
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Add the new record type WALLET (262). This provides a mapping from a
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domain name to a cryptographic currency wallet. Multiple mappings can
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exist if multiple records exist. :gl:`#4947`
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Feature Changes
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~~~~~~~~~~~~~~~
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- Allow IXFR-to-AXFR fallback on ``DNS_R_TOOMANYRECORDS``.
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This change allows fallback from an IXFR failure to AXFR when the
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reason is ``DNS_R_TOOMANYRECORDS``. :gl:`#4928`
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Bug Fixes
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~~~~~~~~~
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- Fix a statistics channel counter bug when "forward only" zones are
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used.
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When resolving a zone with a "forward only" policy, and finding out
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that all the forwarders were marked as "bad", the "ServerQuota"
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counter of the statistics channel was incorrectly increased. This has
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been fixed. :gl:`#1793`
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- Fix a bug in the static-stub implementation.
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Static-stub addresses and addresses from other sources were being
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mixed together, resulting in static-stub queries going to addresses
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not specified in the configuration, or alternatively, static-stub
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addresses being used instead of the correct server addresses.
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:gl:`#4850`
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- Don't allow :any:`statistics-channels` if libxml2 and libjson-c are
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not configured.
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When BIND 9 is not configured with the libxml2 and libjson-c
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libraries, the use of the :any:`statistics-channels` option is a fatal
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error. :gl:`#4895`
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- Limit the outgoing UDP send queue size.
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If the operating system UDP queue got full and the outgoing UDP
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sending started to be delayed, BIND 9 could exhibit memory spikes as
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it tried to enqueue all the outgoing UDP messages. It now tries to
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deliver the outgoing UDP messages synchronously; if that fails, it
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drops the outgoing DNS message that would get queued up and then
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timeout on the client side. :gl:`#4930`
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- Do not set ``SO_INCOMING_CPU``.
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Remove the ``SO_INCOMING_CPU`` setting as kernel scheduling performs
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better without constraints. :gl:`#4936`
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Known Issues
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~~~~~~~~~~~~
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- There are no new known issues with this release. See :ref:`above
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<relnotes_known_issues>` for a list of all known issues affecting this
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BIND 9 branch.
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