Re: [libvirt] [Xen-devel] [PATCH] libxl: support domainReset

On Tue, 2014-08-05 at 09:10 -0600, Jim Fehlig wrote: > Ian Campbell wrote: > > On Tue, 2014-08-05 at 08:06 -0600, Jim Fehlig wrote: > > > >> Ian Campbell wrote: > >> > >>> On Tue, 2014-08-05 at 10:55 +0200, Olaf Hering wrote: > >>> > >>> > >>>> The original report was that 'Reset' does not work from GUI, like > >>>> virt-manager or virsh. I think the expected outcome is like pushing the > >>>> reset button on a physical board. Xen doesnt do it that way, no idea > >>>> about others. > >>>> > >>>> > >>> Sounds like you want libxl_domain_reboot then, perhaps with a fallback > >>> on ERROR_NOPARAVIRT for an HVM guest to sending a trigger. > >>> > >>> > >> Hrm, I don't think that's right . It should be a hard reset > >> > >> http://libvirt.org/html/libvirt-libvirt.html#virDomainReset > >> > >> destroy/start seems the correct way to implement this. > >> > > > > Yes, given that requirement it is. Sorry for the noise. > > > > Would some sort of hard reset API be useful in libxl? > > > > Sure. I think having an API that emulates a power reset button would be > a nice addition to libxl's domain operations. The destroy/start > approach incurs a small bit of overhead, which would be avoided with > such an API. Clients (perhaps incorrectly) implementing their own > notion of reset would also be avoided. I think this ought to become pretty easy once Wei's patches to record the guest cfg in libxl are completed. Wei -- what do you think?