Fedora 23 KDE spin / XEN / virt-manager and vmlinuz-4.3.3-301.fc23.x86_64

[Cole Robinson]

On 01/18/2016 03:05 PM, Outback Dingo wrote:
> So my environment
> 
> Fedora 23 KDE spin
> XEN-4.5.2 and kernel 4.2.8 booted via EFI where everything works fine using
> virt-manager to manage vms under XEN, all is good.
> 
> a recent update installed kernel-4.3.3 so i reset the xen efi configuration,
> booted got into the desktop no problems. The issue arises when trying to
> launch vms from virt-manager, it always throws a  virt-manager viewer
> connection to hypervisor host got refused or disconnected.
> 
> however, if i go back to using kernel 4.2.8 it all works fine. So there in
> lies the question, whats changed that is now preventing virt-manager from
> aunching vms properly.
> 
> Sorry for the cross post, just trying to find the answer. thanks in advance
> 
> 

I suggest filing a bug against xen. See if there's any different output in
dmesg, attach /var/log/libvirt/libxl/$your-vm-name.log, attach virt-manager
--debug output when reproducing

- Cole