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Libvirt provides a portable, long term stable C API for managing the
virtualization technologies provided by many operating systems. It
includes support for QEMU, KVM, Xen, LXC, bhyve, Virtuozzo, VMware
vCenter and ESX, VMware Desktop, Hyper-V, VirtualBox and the POWER
Hypervisor.
2b1ef11c6c
In Fedora 19, 'qemu-kvm' is a simple wrapper that calls 'qemu-system-x86_64 -machine accel=kvm'. Attempting to use 'virsh qemu-attach $pid' to a machine started as: qemu-kvm -cdrom /var/lib/libvirt/images/foo.img \ -monitor unix:/tmp/demo,server,nowait -name foo \ --uuid cece4f9f-dff0-575d-0e8e-01fe380f12ea was failing with: error: XML error: No PCI buses available because we did not see 'kvm' in the executable name read from /proc/$pid/cmdline, and tried to assign os.machine as "accel=kvm" instead of "pc"; this in turn led to refusal to recognize the pci bus. Noticed while investigating https://bugzilla.redhat.com/995312 although there are still other issues to fix before that bug will be completely solved. I've concluded that the existing parser code for native-to-xml is a horrendous hodge-podge of ad-hoc approaches; I basically rewrote the -machine section to be a bit saner. * src/qemu/qemu_command.c (qemuParseCommandLine): Don't assume -machine argument is always appropriate for os.machine; set virtType if accel is present. Signed-off-by: Eric Blake <eblake@redhat.com> |
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| examples | ||
| gnulib | ||
| include | ||
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| tools | ||
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| AUTHORS.in | ||
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| autogen.sh | ||
| bootstrap | ||
| bootstrap.conf | ||
| cfg.mk | ||
| ChangeLog-old | ||
| configure.ac | ||
| COPYING | ||
| COPYING.LESSER | ||
| HACKING | ||
| libvirt.pc.in | ||
| libvirt.spec.in | ||
| Makefile.am | ||
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| mingw-libvirt.spec.in | ||
| README | ||
| README-hacking | ||
| run.in | ||
| TODO | ||
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>