[Libguestfs] [PATCH] launch: show hint to resolve authentication failure from libvirt

[Daniel P. Berrange]

On Thu, Oct 11, 2012 at 01:10:16PM +0200, Olaf Hering wrote:
> olaf at stein-schneider:~> l /dev/kvm 
> crw-rw---- 1 root kvm 10, 232 Okt 11 12:37 /dev/kvm

Ok, so suse has restricted permissions :-(

> olaf at stein-schneider:~> id
> uid=1000(olaf) gid=100(users) groups=100(users),33(video)
> 
> However, adding 'olaf' into group 'kvm' does not help to run
> libguestfs-test-tool, its still a 'qemu' guest.

Did you login + logout and restart libvirtd after adding yourself
to the kvm group ?

> olaf at stein-schneider:~> virsh -c qemu:///session capabilities
> <capabilities>
> 
>   <host>
>     <uuid>30826d35-f748-ac09-3792-1386d0a79891</uuid>
>     <cpu>
>       <arch>x86_64</arch>
>       <model>Nehalem</model>
>       <vendor>Intel</vendor>
>       <topology sockets='1' cores='4' threads='2'/>
>       <feature name='rdtscp'/>
>       <feature name='dca'/>
>       <feature name='pdcm'/>
>       <feature name='xtpr'/>
>       <feature name='tm2'/>
>       <feature name='est'/>
>       <feature name='vmx'/>
>       <feature name='ds_cpl'/>
>       <feature name='monitor'/>
>       <feature name='dtes64'/>
>       <feature name='pbe'/>
>       <feature name='tm'/>
>       <feature name='ht'/>
>       <feature name='ss'/>
>       <feature name='acpi'/>
>       <feature name='ds'/>
>       <feature name='vme'/>
>     </cpu>
>     <power_management>
>       <suspend_disk/>
>     </power_management>
>     <migration_features>
>       <live/>
>       <uri_transports>
>         <uri_transport>tcp</uri_transport>
>       </uri_transports>
>     </migration_features>
>     <topology>
>       <cells num='1'>
>         <cell id='0'>
>           <cpus num='8'>
>             <cpu id='0'/>
>             <cpu id='1'/>
>             <cpu id='2'/>
>             <cpu id='3'/>
>             <cpu id='4'/>
>             <cpu id='5'/>
>             <cpu id='6'/>
>             <cpu id='7'/>
>           </cpus>
>         </cell>
>       </cells>
>     </topology>
>     <secmodel>
>       <model>none</model>
>       <doi>0</doi>
>     </secmodel>
>   </host>
> 
> </capabilities>

This is peculiar - it doesn't show any QEMU guests at all.

What does 'virsh -c qemu:///system capabilities' report ?


Daniel
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