docs/about/removed-features.rst

17 (together with ``-drive if=none,id=dr,...``).
29 Note that the new syntax works with netdev IDs instead of the old "vlan" hubs.
36 (which also disables the KVM IOAPIC) can be obtained with
51 ``-device ...,drive=dr,cyls=c,heads=h,secs=s`` (together with
58 (together with ``-drive if=none,id=dr,...``).
65 has been removed. To connect one NIC frontend with a network backend, either
67 with ``-device ...,netdev=n`` (for full control over pluggable NICs). To
70 ``-netdev hubport,id=n,hubid=x,...`` (with ``-device ...,netdev=n``) instead.
92 ``-netdev user,id=x,bootp=/some/file`` (for pluggable NICs, accompanied with
102 (for pluggable NICs, accompanied with ``-device ...,netdev=x``) or by the option
111 ``-netdev user,id=x,smb=/some/dir`` (for pluggable NICs, accompanied with
119 ``-netdev user,id=x,tftp=/some/dir`` (for pluggable NICs, accompanied with
156 specified with ``-mem-path`` can actually provide the guest RAM configured with
177 so the guest ends up with the fake NUMA configuration with suboptiomal
182 with *memory-backend-ram* backend as replacement for parameter ``mem``
186 work with old machine types. User can check the QAPI schema to see if the legacy
193 parameter with the difference that the role of the user plays QEMU using
195 Use ``memdev`` with *memory-backend-ram* backend or ``mem`` (if
209 However, historically it was possible to start QEMU with an incorrect topology
213 topologies described with -smp include all possible cpus, i.e.
320 ``-drive`` with bogus interface type (removed in 6.0)
323 Drives with interface types other than ``if=none`` are for onboard
324 devices.  Drives the board doesn't pick up can no longer be used with
345 If FIPS compliance is required, QEMU should be built with the ``libgcrypt``
376 Use ``-display sdl,window-close=...`` instead (i.e. with a minus instead of
411 Hexadecimal sizes with scaling multipliers (removed in 8.0)
449 first ``-audiodev`` command line option as a fallback.  Starting with
450 version 8.2, audio backends created with ``-audiodev`` will only be
451 used by clients (sound cards, machines with embedded sound hardware, VNC)
456 versions of QEMU required a model, starting with version 8.2
478 Use ``-run-with async-teardown=on`` instead.
483 Use ``-run-with chroot=dir`` instead.
498 parameter with a reasonable value (greater than zero) or just omit it
502 a parameter with zero value, which is meaningless and could also possibly
505 to ensure that all the topology members described with -smp are greater
511 Removed along with the ``compression`` migration capability.
539 working with the PXA LCD device, and all the machine types using
556 the options along with the machine models they were intended for.
561 Use ``-run-with user=..`` instead.
623 chardev client socket with ``wait`` option (removed in 6.0)
632 Removed with no replacement.
637 Removed with no replacement.
677 for more than 10 years. Removed with no replacement.
682 Use blockdev-mirror with NBD instead. See "QMP invocation for live
683 storage migration with ``blockdev-mirror`` + NBD" in
689 Use blockdev-mirror with NBD instead. See "QMP invocation for live
690 storage migration with ``blockdev-mirror`` + NBD" in
697 invocation for live storage migration with ``blockdev-mirror`` + NBD"
713 Removed with no replacement.
745 The ability to instrument QEMU helper functions with vCPU-aware trace
785 ``acl_remove`` commands were removed with no replacement. Authorization
801 This command didn't produce any output already. Removed with no replacement.
812 Use blockdev-mirror with NBD instead. See "QMP invocation for live
813 storage migration with ``blockdev-mirror`` + NBD" in
819 Use blockdev-mirror with NBD instead. See "QMP invocation for live
820 storage migration with ``blockdev-mirror`` + NBD" in
827 invocation for live storage migration with ``blockdev-mirror`` + NBD"
843 Removed with no replacement.
902 The RISC-V cpus with the ISA version in the CPU name have been removed. The
971 Userspace local APIC with KVM (x86, removed in 8.0)
996 In accordance with our versioned machine type deprecation policy, all machine
997 types with version |VER_MACHINE_DELETION_VERSION|, or older, have been
1008 Use the ``none`` machine with the ``loader`` device instead.
1068 blocking our ability to move forward with various changes across
1084 was the actual final product, or by the ``ast2600-evb`` with some
1099 and likely never worked. Starting with QEMU v10.1, the machines are now
1112 there is no new Linux development taking place with this architecture. For
1135 feature can be replicated with TCG plugins it was removed. If
1136 any user is currently using this feature and needs help with
1190 done by utilizing the ``--image-opts`` option with a raw blockdev
1205 they are now rejected when used with ``-n`` to skip image creation.
1211 When creating an image with a backing file that could not be opened,
1213 proceed with the image creation if an explicit size was provided.
1224 with other amend operations that need access to the original backing
1227 backing chain should be performed with ``qemu-img rebase -u`` either
1285 the same and thus is the preferred way for scripts that should run with
1292 (to be in sync with the renaming of the corresponding command line