[libvirt] Permissions and ownership on /dev/kvm keep reverting after starting a vm

Daniel P. Berrangé berrange at redhat.com
Mon Apr 9 08:09:10 UTC 2018


On Fri, Apr 06, 2018 at 05:40:39PM -0400, Tom wrote:
> Hey guys,
> 
> /dev/kvm permissions and ownership keeps reverting after starting a vm.
> 
> The ownership and permissions keep going back to 
> 
> crw-rw—— root root ....
> 
> After starting a vm.  I have to revert the perms and ownership to:
> 
> crw-crw-crw root kvm ....
> 
> To start any vm but it goes back to the first set of permissions as soon
> as I start another vm.  Any hints what I could check?

Possibly a udev rule is resetting it.

Regards,
Daniel
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