[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] [RFC] libxl hotplug / unplug emulated devices



Wei Liu writes ("[RFC] libxl hotplug / unplug emulated devices"):
> Recently I got a report on xen-users@ about xl network-attach not
> working for HVM guest.
> 
> I try to use
>   xl network-attach jessie-hvm 'bridge=xenbr0'
> and vif-bridge script complains that it can't add vifXX-emu to bridge.
> 
> The underlying issue is that the vif spec provided defaults to
> emulated nic, but libxl only populates a pv nic but doesn't call out
> via QMP to QEMU to populate one. Note that this issue not only affects
> nic device but essentially all device types.

Is it really sensible to offer emulated nic hotplug ?  That'd be
presented to the guest as pci hotplug, I guess ?

> I also experimented with block device:
>   xl block-attach jessie-hvm 'phy:/dev/DATA/disk,hdb,w'
> and it succeed, only pv disk is populated though.

That's what I would have expected.

Maybe the fix should be that xl network-attach should default hotplug
nics to pv only.

Ian.

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel

 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.