Subject: Re: bug#23838: Guix on Debian 8.3 'guix system vm ...' -> "ERROR: qemu failed "qemu-system-x86_64"

From: Leo Famulari <[email-masked]>
Date: Fri, 24 Jun 2016 10:47:47 -0400

On Fri, Jun 24, 2016 at 09:53:12AM -0400, myglc2 wrote:
> g1@e3b:~/dev/vms$ guix system vm ../configs/c01system.scm --expose=$HOME --share=$HOME/tmp=/exchange --verbosity=1

[...]

> Could not access KVM kernel module: Permission denied
> failed to initialize KVM: Permission denied

On Debian, /dev/kvm is by default not accessible to unprivileged users.
I manually do `chmod 666 /dev/kvm` when I need to use QEMU with KVM,
after each reboot.