Another detail noticed yesterday. Hotplug works upon initial bootup until the kernel delivers the message that "disabling IRQ 7". This message was present under feisty with 2.6.17-10 and -11 but hotplug still worked.
-- usb hotplug not working https://launchpad.net/bugs/97250 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs