rmmod'd all modules down to usbcore, then modprobe'd uhci_hcd and it recovers:
# lsusb Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 004 Device 002: ID 04f2:b022 Chicony Electronics Co., Ltd Camera Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 003 Device 002: ID 04b3:3107 IBM Corp. ThinkPad 800dpi Optical Travel Mouse Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 002: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode) Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Mouse can be unplugged and replugged succesfully, so I looked in kern.log and found this: Oct 5 09:29:29 provence kernel: [ 1166.640150] usb 6-1: USB disconnect, address 2 Oct 5 09:29:40 provence kernel: [ 1176.808056] usb 4-2: new low speed USB device using uhci_hcd and address 2 Oct 5 09:29:40 provence kernel: [ 1176.966749] usb 4-2: configuration #1 chosen from 1 choice Oct 5 09:29:40 provence kernel: [ 1176.984923] input: HID 04b3:3107 as /class/input/input9 Oct 5 09:29:40 provence kernel: [ 1177.036522] input,hidraw0: USB HID v11.10 Mouse [HID 04b3:3107] on usb-0000:00:1d.0-2 Oct 5 10:30:10 provence kernel: [ 4807.576137] usb 7-3: new high speed USB device using ehci_hcd and address 4 Oct 5 10:30:11 provence kernel: [ 4807.723624] usb 7-3: configuration #1 chosen from 1 choice Oct 5 10:30:11 provence kernel: [ 4807.878505] Linux video capture interface: v2.00 Oct 5 10:30:11 provence kernel: [ 4807.904455] uvcvideo: Found UVC 1.00 device USB 2.0 Camera (04f2:b022) Oct 5 10:30:11 provence kernel: [ 4807.907898] input: USB 2.0 Camera as /class/input/input10 Oct 5 10:30:11 provence kernel: [ 4807.908828] usbcore: registered new interface driver uvcvideo Oct 5 10:30:11 provence kernel: [ 4807.909718] USB Video Class driver (v0.1.0) Oct 5 11:10:21 provence kernel: [ 7218.311387] ehci_hcd 0000:00:1d.7: HC died; cleaning up Oct 5 11:10:21 provence kernel: [ 7218.336081] hub 7-0:1.0: hub_port_status failed (err = -19) Oct 5 11:10:21 provence kernel: [ 7218.336096] hub 7-0:1.0: connect-debounce failed, port 3 disabled Oct 5 11:10:21 provence kernel: [ 7218.336103] usb 7-3: USB disconnect, address 4 Oct 5 11:18:13 provence kernel: [ 7689.791340] CE: hpet increasing min_delta_ns to 50624 nsec Oct 5 11:22:24 provence kernel: [ 7941.505095] usb 4-2: USB disconnect, address 2 Oct 5 17:04:04 provence kernel: [28440.900390] irq 23: nobody cared (try booting with the "irqpoll" option) Oct 5 17:04:04 provence kernel: [28440.900413] Pid: 6795, comm: firefox Tainted: P 2.6.27-4-generic #1 Oct 5 17:04:04 provence kernel: [28440.900427] [<c03924c6>] ? printk+0x1d/0x1f Oct 5 17:04:04 provence kernel: [28440.900453] [<c0177ebc>] __report_bad_irq+0x2c/0xa0 Oct 5 17:04:04 provence kernel: [28440.900465] [<c0178044>] note_interrupt+0x114/0x140 Oct 5 17:04:04 provence kernel: [28440.900476] [<c0176db1>] ? handle_IRQ_event+0x41/0x80 Oct 5 17:04:04 provence kernel: [28440.900487] [<c0178693>] handle_fasteoi_irq+0xb3/0xe0 Oct 5 17:04:04 provence kernel: [28440.900497] [<c0106c15>] do_IRQ+0x45/0x80 Oct 5 17:04:04 provence kernel: [28440.900506] [<c0136ec0>] ? sys_gettimeofday+0x30/0x70 Oct 5 17:04:04 provence kernel: [28440.900518] [<c0104ff3>] common_interrupt+0x23/0x30 Oct 5 17:04:04 provence kernel: [28440.900527] [<c0390000>] ? native_cpu_up+0x56/0x180 Oct 5 17:04:04 provence kernel: [28440.900540] ======================= Oct 5 17:04:04 provence kernel: [28440.900544] handlers: Oct 5 17:04:04 provence kernel: [28440.900548] [<f88d9990>] (usb_hcd_irq+0x0/0x90 [usbcore]) Oct 5 17:04:04 provence kernel: [28440.900611] [<f88d9990>] (usb_hcd_irq+0x0/0x90 [usbcore]) Oct 5 17:04:04 provence kernel: [28440.900658] Disabling IRQ #23 HTH -- usb mouse not recognised if plugged after bootup https://bugs.launchpad.net/bugs/278662 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
