Additional info: This problem started immediately after upgrading to edgy.
After resuming with no USB devices plugged in, the kernel reports: [46072.988000] hub 2-0:1.0: over-current change on port 2 [46074.392000] hub 2-0:1.0: over-current change on port 2 [46074.516000] hub 4-0:1.0: over-current change on port 3 [46074.620000] hub 4-0:1.0: over-current change on port 4 The number of times these messages are logged varies. Unloading and reloading the USB modules does not help. Related loaded modules: ehci_hcd 34188 0 hid 27392 1 usbhid uhci_hcd 25228 0 usbcore 134280 5 uhci_hcd,ehci_hcd,hci_usb,usbhid usbhid 26592 0 -- USB does not work after suspend to RAM on IBM T42 https://launchpad.net/bugs/95144 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
