On 07/03/2013 10:21 AM, Daniel P. Berrange wrote: > On Wed, Jul 03, 2013 at 04:19:01PM +0200, Michal Privoznik wrote: >> On 03.07.2013 15:59, Daniel P. Berrange wrote: >>> On Wed, Jul 03, 2013 at 07:54:51AM -0600, Eric Blake wrote: >>>> On 07/03/2013 07:46 AM, Daniel P. Berrange wrote: >>>>>> What am I doing wrong with the virsh attach-device command or XML? >>>>> >>>>> There is no support for hotplug of any character device (that >>>>> covers serial, parallel, console, channnel elements in the XML) >>>> >>>> Although that's about to change in libvirt 1.1.1: >>>> https://www.redhat.com/archives/libvir-list/2013-July/msg00125.html >>> >>> Yes & no. Yes, libvirt will support hotplug, but that's only actually >>> going to work for devices which are PCI based. eg virtio-serial and >>> virtio-console. You can't hotplug <serial> or <paralle> devices which >>> use the ISA bus, which is what Chris was trying todo here. >> >> But that's just a QEMU limitation. If QEMU learns to hotplug a device >> onto ISA bus, libvirt will allow it. > > Did real ISA buses ever support hotplug ? I thought hotplug only came > along when PCI buses arrived. I'm rather doubting anyone is going to do > work for ISA device hotplug in QEMU > > Daniel > IIRC they did not, I don't think PCI supported it even until later revisions. Even when it did, I only saw it on fairly big hardware and with specific devices. Either way, I'm concerned about the error message here, not that it doesn't work :D -- Chris Evich, RHCA, RHCE, RHCDS, RHCSS Quality Assurance Engineer e-mail: cevich + `@' + redhat.com o: 1-888-RED-HAT1 x44214 -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list