Hi,
i've installed lastest kvm-86 and libvirt-0.6.4 tarballs on my debian
stable and have a problem using virsh
No matter what i do in the guest domain config or with /usr/bin/
symlinks, libvirt keeps using the -no-kvm option when starting guests
when my cpu has kvm-amd support, modules are loaded and /dev/kvm exists,
and starting the guests thru command line works fine, and faster.
debian seems to install the following binary
/usr/bin/qemu-system-x86_64, i had to add "/usr/bin/qemu" to get virsh
to work, otherwise it will say it can't connect to qemu:///system
here's some command output :
#virsh -c qemu:///system capabilities
<capabilities>
<host>
<cpu>
<arch>x86_64</arch>
</cpu>
<migration_features>
<live/>
<uri_transports>
<uri_transport>tcp</uri_transport>
</uri_transports>
</migration_features>
</host>
<guest>
<os_type>hvm</os_type>
<arch name='i686'>
<wordsize>32</wordsize>
<emulator>/usr/bin/qemu</emulator>
<machine>pc</machine>
<machine>isapc</machine>
<domain type='qemu'>
</domain>
</arch>
<features>
<pae/>
<nonpae/>
<acpi default='on' toggle='yes'/>
<apic default='on' toggle='no'/>
</features>
</guest>
<guest>
<os_type>hvm</os_type>
<arch name='x86_64'>
<wordsize>64</wordsize>
<emulator>/usr/bin/qemu-system-x86_64</emulator>
<machine>pc</machine>
<machine>isapc</machine>
<domain type='qemu'>
</domain>
</arch>
<features>
<acpi default='on' toggle='yes'/>
<apic default='on' toggle='no'/>
</features>
</guest>
</capabilities>
and tried adding "/usr/bin/qemu-kvm" symlink
<capabilities>
<host>
<cpu>
<arch>x86_64</arch>
</cpu>
<migration_features>
<live/>
<uri_transports>
<uri_transport>tcp</uri_transport>
</uri_transports>
</migration_features>
</host>
<guest>
<os_type>hvm</os_type>
<arch name='i686'>
<wordsize>32</wordsize>
<emulator>/usr/bin/qemu</emulator>
<machine>pc</machine>
<machine>isapc</machine>
<domain type='qemu'>
</domain>
<domain type='kvm'>
<emulator>/usr/bin/qemu-kvm</emulator>
</domain>
</arch>
<features>
<pae/>
<nonpae/>
<acpi default='on' toggle='yes'/>
<apic default='on' toggle='no'/>
</features>
</guest>
<guest>
<os_type>hvm</os_type>
<arch name='x86_64'>
<wordsize>64</wordsize>
<emulator>/usr/bin/qemu-system-x86_64</emulator>
<machine>pc</machine>
<machine>isapc</machine>
<domain type='qemu'>
</domain>
<domain type='kvm'>
<emulator>/usr/bin/qemu-kvm</emulator>
</domain>
</arch>
<features>
<acpi default='on' toggle='yes'/>
<apic default='on' toggle='no'/>
</features>
</guest>
</capabilities>
So far i had no luck getting virsh to use kvm, it always adds the
-no-kvm option, i'm not sure how to specify the domain type in the guest
config, using the <emulator>/usr/bin/qemu-kvm</emulator> won't help.
i've found that thread discussing the binaries and options but don't
know if that patch was already added or if i have to patch my tarball..
http://www.redhat.com/archives/libvir-list/2009-March/msg00281.html
please let me know if there's some way to let libvirt know that kvm
exists on a debian install, using /usr/bin/qemu-system-x86_64
thx,
Marc
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