Hi Junjie > Subject: Re: [PATCH v8 10/18] docs/system/devices/usb: Note the automatic > hub change > > Hi Jamin, > > On Mon, Nov 02, 2026 at 09:22:17AM +0000, Jamin Lin wrote: > > +A machine type older than 11.2 plugs a virtual USB hub into the last
It should be updated to 11.3. > > +free port, so that more devices fit. A newer one does not, and a > > +device that finds no free port fails. > > With the series going into 12.0 this becomes "older than 12.0". > > It would also help to say how to get a hub back. piix3-usb-uhci has two > ports, so > -usb with usb-kbd, usb-mouse and usb-tablet already fails on the newest > machine type (pc-i440fx-11.2 on v8). Either of these fixes it here: > > -device usb-hub (ahead of the other devices) > -global piix3-usb-uhci.auto-hub=on > > Junjie Thanks for the review and suggestion. Will add. Jamin
