I'm about to ssh in and reboot since the keyboard and mouse aren't working
but this just happened:

<device attached>
ehci0: handing over low speed device on port 3 to uhci1
device disappeared after reset
...
<device and children attached>
Nothing works
<detach device>
ehci0: port reset timeout
ehci_freex: xfer=0xc3ccca00 not busy, 0x4f4e5155
uhub4: port 3 reset failed

Now plugging or unplugging devices on any port causes nothing to happen.

If I ssh in and type usbdevs it hangs waiting on usbsyn wait channel.