docs/about/removed-features.rst

12 ``-hdachs`` (removed in 2.12)
19 ``-net channel`` (removed in 2.12)
24 ``-net dump`` (removed in 2.12)
31 ``-no-kvm-pit`` (removed in 2.12)
34 This was just a dummy option that has been ignored, since the in-kernel PIT
39 ``-tdf`` (removed in 2.12)
43 behaviour that could be changed by this option in qemu-kvm is now the default
47 ``-drive secs=s``, ``-drive heads=h`` & ``-drive cyls=c`` (removed in 3.0)
54 ``-drive serial=``, ``-drive trans=`` & ``-drive addr=`` (removed in 3.0)
60 ``-net ...,vlan=x`` (removed in 3.0)
63 The term "vlan" was very confusing for most users in this context (it's about
72 ``-no-kvm-irqchip`` (removed in 3.0)
77 ``-no-kvm-pit-reinjection`` (removed in 3.0)
82 ``-balloon`` (removed in 3.1)
88 ``-bootp`` (removed in 3.1)
96 ``-redir`` (removed in 3.1)
107 ``-smb`` (removed in 3.1)
115 ``-tftp`` (removed in 3.1)
123 ``-localtime`` (removed in 3.1)
128 ``-nodefconfig`` (removed in 3.1)
133 ``-rtc-td-hack`` (removed in 3.1)
138 ``-startdate`` (removed in 3.1)
143 ``-vnc ...,tls=...``, ``-vnc ...,x509=...`` & ``-vnc ...,x509verify=...`` (removed in 3.1)
149 ``-mem-path`` fallback to RAM (removed in 5.0)
154 in unpredictable behavior since the backing file specified by the user
159 ``-net ...,name=...`` (removed in 5.1)
165 RISC-V firmware not booted by default (removed in 5.1)
171 ``-numa node,mem=...`` (removed in 5.1)
189 ``-numa`` node (without memory specified) (removed in 5.2)
203 ``-smp`` (invalid topologies) (removed in 5.2)
216 ``-machine enforce-config-section=on|off`` (removed in 5.2)
222 ``-no-kvm`` (removed in 5.2)
227 ``-realtime`` (removed in 6.0)
233 ``-show-cursor`` option (removed in 6.0)
239 ``-tb-size`` option (removed in 6.0)
245 ``-usbdevice audio`` (removed in 6.0)
252 ``-vnc acl`` (removed in 6.0)
258 ``-mon ...,control=readline,pretty=on|off`` (removed in 6.0)
264 ``-drive file=json:{...{'driver':'file'}}`` (removed in 6.0)
271 Floppy controllers' drive properties (removed in 6.0)
298 When plugging in a floppy controller
320 ``-drive`` with bogus interface type (removed in 6.0)
327 ``-usbdevice ccid`` (removed in 6.0)
330 This option was undocumented and not used in the field.
333 ``-no-quit`` (removed in 7.0)
339 ``--enable-fips`` (removed in 7.1)
343 the host is operating in FIPS mode.
348 Neither the ``nettle`` library, or the built-in cryptography provider are
351 ``-writeconfig`` (removed in 7.1)
358 ``loaded`` property of secret and TLS credential objects (removed in 9.2)
361 The ``loaded=on`` option in the command line or QMP ``object-add`` either had
366 ``opened`` property of ``rng-*`` objects (removed in 7.1)
369 The ``opened=on`` option in the command line or QMP ``object-add`` either had
373 ``-display sdl,window_close=...`` (removed in 7.1)
379 ``-alt-grab`` and ``-display sdl,alt_grab=on`` (removed in 7.1)
384 ``-ctrl-grab`` and ``-display sdl,ctrl_grab=on`` (removed in 7.1)
389 ``-sdl`` (removed in 7.1)
394 ``-curses`` (removed in 7.1)
399 Creating sound card devices using ``-soundhw`` (removed in 7.1)
406 ``-watchdog`` (removed in 7.2)
411 Hexadecimal sizes with scaling multipliers (removed in 8.0)
415 (such as 'k' or 'M') when the base is written in decimal, and not when
419 ``-chardev`` backend aliases ``tty`` and ``parport`` (removed in 8.0)
425 ``-drive if=none`` for the sifive_u OTP device (removed in 8.0)
431 ``-spice password=string`` (removed in 8.0)
434 This option was insecure because the SPICE password remained visible in
439 ``QEMU_AUDIO_`` environment variables and ``-audio-help`` (removed in 8.2)
445 Using ``-audiodev`` to define the default audio backend (removed in 8.2)
452 that refer to it in an ``audiodev=`` property.
458 in this case.
463 ``-no-hpet`` (removed in 9.0)
469 ``-no-acpi`` (removed in 9.0)
475 ``-async-teardown`` (removed in 9.0)
480 ``-chroot`` (removed in 9.0)
485 ``-singlestep`` (removed in 9.0)
492 ``-smp`` ("parameter=0" SMP configurations) (removed in 9.0)
503 cause unexpected results in the -smp parsing. So support for this kind of
508 ``-global migration.decompress-error-check`` (removed in 9.1)
513 ``-device virtio-blk,scsi=on|off`` (removed in 9.1)
520 ``-fsdev proxy`` and ``-virtfs proxy`` (removed in 9.2)
527 didn't see any development in years, and showed to be less secure,
535 ``-portrait`` and ``-rotate`` (removed in 9.2)
540 that display device were removed in 9.2, so these options also
553 handling, so in theory the options were usable on other machine models
558 ``-runas`` (removed in 10.0)
567 ``-singlestep`` (removed in 9.0)
578 ``block-dirty-bitmap-add`` "autoload" parameter (removed in 4.2)
584 ``cpu-add`` (removed in 5.2)
590 ``change`` (removed in 6.0)
596 ``query-events`` (removed in 6.0)
602 ``migrate_set_cache_size`` and ``query-migrate-cache-size`` (removed in 6.0)
607 ``migrate_set_downtime`` and ``migrate_set_speed`` (removed in 6.0)
612 ``query-cpus`` (removed in 6.0)
617 ``query-cpus-fast`` ``arch`` output member (removed in 6.0)
623 chardev client socket with ``wait`` option (removed in 6.0)
626 Character devices creating sockets in client mode should not specify
627 the 'wait' field, which is only applicable to sockets in server mode
629 ``query-named-block-nodes`` result ``encryption_key_missing`` (removed in 6.0)
634 ``query-block`` result ``inserted.encryption_key_missing`` (removed in 6.0)
639 ``query-named-block-nodes`` and ``query-block`` result dirty-bitmaps[i].status (removed in 6.0)
646 ``query-block`` result field ``dirty-bitmaps`` (removed in 6.0)
652 type of the ``inserted`` field in query-block replies, as well as the
653 type of array items in query-named-block-nodes.
655 ``object-add`` option ``props`` (removed in 6.0)
660 ``query-sgx`` return value member ``section-size`` (removed in 8.0)
663 Member ``section-size`` in the return value of ``query-sgx``
667 ``query-sgx-capabilities`` return value member ``section-size`` (removed in 8.0)
670 Member ``section-size`` in the return value of ``query-sgx-capabilities``
673 ``query-migrate`` return value member ``skipped`` (removed in 9.1)
679 ``migrate`` command option ``inc`` (removed in 9.1)
683 storage migration with ``blockdev-mirror`` + NBD" in
686 ``migrate`` command option ``blk`` (removed in 9.1)
690 storage migration with ``blockdev-mirror`` + NBD" in
693 ``migrate-set-capabilities`` ``block`` option (removed in 9.1)
698 in docs/interop/live-block-operations.rst.
700 ``migrate-set-parameter`` ``compress-level`` option (removed in 9.1)
705 ``migrate-set-parameter`` ``compress-threads`` option (removed in 9.1)
710 ``migrate-set-parameter`` ``compress-wait-thread`` option (removed in 9.1)
715 ``migrate-set-parameter`` ``decompress-threads`` option (removed in 9.1)
720 ``migrate-set-capability`` ``compress`` option (removed in 9.1)
728 Due to shortcomings in the internal implementation of ``device_add``,
737 ``MEM_UNPLUG_ERROR`` (removed in 9.1)
742 ``vcpu`` trace events (removed in 9.1)
746 points was removed in 7.0.
752 ``usb_add`` and ``usb_remove`` (removed in 2.12)
758 ``host_net_add`` and ``host_net_remove`` (removed in 2.12)
763 The ``hub_id`` parameter of ``hostfwd_add`` / ``hostfwd_remove`` (removed in 5.0)
769 ``cpu-add`` (removed in 5.2)
775 ``change vnc TARGET`` (removed in 6.0)
781 ``acl_show``, ``acl_reset``, ``acl_policy``, ``acl_add``, ``acl_remove`` (removed in 6.0)
788 ``migrate-set-cache-size`` and ``info migrate-cache-size`` (removed in 6.0)
793 ``migrate_set_downtime`` and ``migrate_set_speed`` (removed in 6.0)
798 ``info cpustats`` (removed in 6.1)
803 ``singlestep`` (removed in 9.0)
809 ``migrate`` command ``-i`` option (removed in 9.1)
813 storage migration with ``blockdev-mirror`` + NBD" in
816 ``migrate`` command ``-b`` option (removed in 9.1)
820 storage migration with ``blockdev-mirror`` + NBD" in
823 ``migrate_set_capability`` ``block`` option (removed in 9.1)
828 in docs/interop/live-block-operations.rst.
830 ``migrate_set_parameter`` ``compress-level`` option (removed in 9.1)
835 ``migrate_set_parameter`` ``compress-threads`` option (removed in 9.1)
840 ``migrate_set_parameter`` ``compress-wait-thread`` option (removed in 9.1)
845 ``migrate_set_parameter`` ``decompress-threads`` option (removed in 9.1)
850 ``migrate_set_capability`` ``compress`` option (removed in 9.1)
858 System emulation on 32-bit Windows hosts (removed in 9.0)
864 and dropping support for 32-bit x86 host deployments in
870 32-bit hosts for 64-bit guests (removed in 10.0)
875 work around the atomicity issues in system mode by running all vCPUs
876 in a single thread context; in user mode atomicity was simply broken.
882 RISC-V ISA privilege specification version 1.09.1 (removed in 5.1)
892 KVM guest support on 32-bit Arm hosts (removed in 5.2)
899 RISC-V ISA Specific CPUs (removed in 5.1)
902 The RISC-V cpus with the ISA version in the CPU name have been removed. The
907 RISC-V no MMU CPUs (removed in 5.1)
914 ``compat`` property of server class POWER CPUs (removed in 6.0)
920 ``moxie`` CPU (removed in 6.1)
923 Nobody was using this CPU emulation in QEMU, and there were no test images
927 ``lm32`` CPUs (removed in 6.1)
934 ``unicore32`` CPUs (removed in 6.1)
941 x86 ``Icelake-Client`` CPU (removed in 7.1)
947 Nios II CPU (removed in 9.1)
953 CRIS CPU architecture (removed in 9.2)
956 The CRIS architecture was pulled from Linux in 4.17 and the compiler
957 was no longer packaged in any distro making it harder to run the
960 RISC-V 'any' CPU type ``-cpu any`` (removed in 9.2)
963 The 'any' CPU type was introduced back in 2018 and was around since the
965 what to expect from a CPU called 'any', and in fact the CPU does not do anything
971 Userspace local APIC with KVM (x86, removed in 8.0)
978 MIPS "Trap-and-Emulate" KVM support (removed in 8.0)
982 from Linux in 2021, and is not supported anymore by QEMU either.
984 HAXM (``-accel hax``) (removed in 8.2)
1000 ``s390-virtio`` (removed in 2.6)
1005 The m68k ``dummy`` machine (removed in 2.9)
1010 ``xlnx-ep108`` (removed in 3.0)
1016 ``spike_v1.9.1`` and ``spike_v1.10`` (removed in 5.1)
1019 The version specific Spike machines have been removed in favour of the
1023 mips ``r4k`` platform (removed in 5.2)
1029 mips ``fulong2e`` machine alias (removed in 6.0)
1034 Raspberry Pi ``raspi2`` and ``raspi3`` machines (removed in 6.2)
1037 The Raspberry Pi machines come in various models (A, A+, B, B+). To be able
1041 Aspeed ``swift-bmc`` machine (removed in 7.0)
1047 ppc ``taihu`` machine (removed in 7.2)
1053 Nios II ``10m50-ghrd`` and ``nios2-generic-nommu`` machines (removed in 9.1)
1058 ``shix`` (removed in 9.2)
1063 …nstone``, ``n800``, ``n810``, ``spitz``, ``terrier``, ``tosa``, ``verdex``, ``z2`` (removed in 9.2)
1069 the codebase, and over many years nobody has been interested in
1077 Aspeed ``tacoma-bmc`` machine (removed in 10.0)
1087 ppc ``ref405ep`` machine (removed in 10.0)
1091 firmware images are not available, OpenWRT dropped support in 2019,
1092 U-Boot in 2017, and Linux in 2024.
1094 Big-Endian variants of ``petalogix-ml605`` and ``xlnx-zynqmp-pmu`` machines (removed in 10.1)
1106 ``tilegx`` CPUs (removed in 6.0)
1110 only implemented in linux-user mode, but support for this CPU was removed from
1111 the upstream Linux kernel in 2018, and it has also been dropped from glibc, so
1115 ``ppc64abi32`` CPUs (removed in 7.0)
1122 ``nios2`` CPU (removed in 9.1)
1131 TCG trace-events (removed in 7.0)
1144 ``spapr-pci-vfio-host-bridge`` (removed in 2.12)
1150 ``ivshmem`` (removed in 4.0)
1155 ``ide-drive`` (removed in 6.0)
1161 ``scsi-disk`` (removed in 6.0)
1167 ``sga`` (removed in 8.0)
1176 ``pvrdma`` and the RDMA subsystem (removed in 9.1)
1184 ``qemu-nbd --partition`` (removed in 5.0)
1201 ``qemu-img convert -n -o`` (removed in 5.1)
1204 All options specified in ``-o`` are image creation options, so
1208 ``qemu-img create -b bad file $size`` (removed in 5.1)
1219 ``qemu-img amend`` to adjust backing file (removed in 6.1)
1231 ``qemu-img`` backing file without format (removed in 6.1)
1253 VXHS backend (removed in 5.1)
1256 The VXHS code did not compile since v2.12.0. It was removed in 5.1.
1258 ``sheepdog`` driver (removed in 6.0)
1268 virtiofsd (removed in 8.0)
1280 ``--blacklist`` command line option (removed in 9.1)
1288 ``blacklist`` config file option (removed in 9.1)
1292 (to be in sync with the renaming of the corresponding command line
1295 …/en/content-details/781327/intel-is-discontinuing-ip-ordering-codes-listed-in-pdn2312-for-nios-ii-…