On Mon, 2021-01-11 at 10:51 +0100, Paolo Bonzini wrote: > On 11/01/21 10:38, Daniel P. Berrangé wrote: > > > > > > The "-machine" options for accelerators are legacy, the "-accel" > > > options > > > is a better mechanism. The following are the details: > > > https://lore.kernel.org/qemu-devel/3aa73987-40e8-3619-0723-9f17f73850bd@xxxxxxxxxx/ > > > > > > This patch switch the option "-machine accel=xxx" to "-accel xxx" > > > when > > > specifying accelerator type once libvirt build QEMU command line. > > This is going to break use of the /usr/bin/qemu-kvm wrapper on > > Fedora because QEMU refuses to allow -accel combined with -machine > > > > $ /usr/bin/qemu-kvm -accel tc > > qemu-system-x86_64: The -accel and "-machine accel=" options are > > incompatible > > That script is useless, a symlink will do ever since QEMU 4.0. > Fedora > can and should get rid of it, I'll take a look. > > Is there any other distro that does the same? Libvirt cannot use > newer > KVM features with "-machine accel". > > Paolo > openSUSE / SUSE does this as well in the legacy qemu-kvm package. We'll look into doing this instead via a symlink. Thanks for the heads up on this issue. - Bruce