On Tue, Mar 10, 2015 at 12:28:40AM +0100, Thorsten Glaser wrote:
> On Mon, 9 Mar 2015, Guido Günther wrote:
> 
> > wrapping qemu/kvm by a skript or something?
> 
> Yes, necessarily:
> 
> tglase@tglase:~ $ virsh -c qemu:///system dumpxml MirBSD | fgrep emul         
>            
>     <emulator>/usr/local/bin/qemu-in-chroot</emulator>
> tglase@tglase:~ $ cat /usr/local/bin/qemu-in-chroot
> #!/bin/sh
> exec schroot -c sid-amd64 -u root -- qemu-system-x86_64 -enable-kvm "$@"
>
> Otherwise I cannot assign more than 2047 MiB RAM.
> 
> *But*:
> 
> tglase@tglase:~ $ virsh -c qemu:///system dumpxml SuSE_Linux_1.0 | fgrep emul
>     <emulator>/usr/bin/kvm</emulator>
> tglase@tglase:~ $ virsh -c qemu:///system start SuSE_Linux_1.0
> error: Failed to start domain SuSE_Linux_1.0
> error: unsupported configuration: QEMU 2.1.2 is too new for help parsing
> 
> So this also happens for VMs created by virt-manager and
> then untouched.

Please do a:

    grep usedQMP /var/cache/libvirt/qemu/capabilities/*.xml

if it doesn't find any matches do a

    rm /var/cache/libvirt/qemu/capabilities/*.xml

something seems to be wrong with your capabilities parsing of
qemu. Also it would help to rund libvitd with debug level when
starting the domain and see the output.

> 
> > Does
> > 
> >     virsh capabilities
> > 
> > show the same error?
> 
> No, it shows a bunch of XML things (capabilities/{host,guest}/…).

Good.
 -- Guido


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