On 2012-07-15 17:35, Alan Stern wrote: > echo 0000:00:13.1 >/sys/bus/pci/drivers/ohci_hcd/unbind Afterwards I did: > echo 0000:00:13.1 >/sys/bus/pci/drivers/ohci_hcd/bind And I saw: Jul 15 17:50:30 surfplank2 kernel: ohci_hcd 0000:00:13.1: remove, state 1 Jul 15 17:50:30 surfplank2 kernel: usb usb4: USB disconnect, device number 1 Jul 15 17:50:30 surfplank2 kernel: usb 4-3: USB disconnect, device number 2 Jul 15 17:50:30 surfplank2 kernel: ohci_hcd 0000:00:13.1: USB bus 4 deregistered Jul 15 17:50:37 surfplank2 kernel: ohci_hcd 0000:00:13.1: OHCI Host Controller Jul 15 17:50:37 surfplank2 kernel: ohci_hcd 0000:00:13.1: new USB bus registered, assigned bus number 4 Jul 15 17:50:37 surfplank2 kernel: ohci_hcd 0000:00:13.1: irq 18, io mem 0xfe02a000 Jul 15 17:50:37 surfplank2 kernel: usb usb4: New USB device found, idVendor=1d6b, idProduct=0001 Jul 15 17:50:37 surfplank2 kernel: usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1 Jul 15 17:50:37 surfplank2 kernel: usb usb4: Product: OHCI Host Controller Jul 15 17:50:37 surfplank2 kernel: usb usb4: Manufacturer: Linux 3.4.4 ohci_hcd Jul 15 17:50:37 surfplank2 kernel: usb usb4: SerialNumber: 0000:00:13.1 Jul 15 17:50:37 surfplank2 kernel: hub 4-0:1.0: USB hub found Jul 15 17:50:37 surfplank2 kernel: hub 4-0:1.0: 3 ports detected Jul 15 17:50:37 surfplank2 kernel: usb 4-3: new full-speed USB device number 2 using ohci_hcd Jul 15 17:50:38 surfplank2 kernel: usb 4-3: New USB device found, idVendor=0471, idProduct=0311 Jul 15 17:50:38 surfplank2 kernel: usb 4-3: New USB device strings: Mfr=0, Product=0, SerialNumber=1 Jul 15 17:50:38 surfplank2 kernel: usb 4-3: SerialNumber: 01690000A5000000 Jul 15 17:50:38 surfplank2 mtp-probe: checking bus 4, device 2: "/sys/devices/pci0000:00/0000:00:13.1/usb4/4-3" Jul 15 17:50:38 surfplank2 mtp-probe: bus: 4, device: 2 was not an MTP device Jul 15 17:50:38 surfplank2 kernel: pwc: Philips PCVC740K (ToUCam Pro)/PCVC840 (ToUCam II) USB webcam detected. Jul 15 17:50:39 surfplank2 kernel: pwc: Registered as video0. Jul 15 17:50:39 surfplank2 kernel: input: PWC snapshot button as /devices/pci0000:00/0000:00:13.0/usb3/3-2/input/input8 Jul 15 17:50:39 surfplank2 kernel: pwc: Philips PCVC740K (ToUCam Pro)/PCVC840 (ToUCam II) USB webcam detected. Jul 15 17:50:39 surfplank2 kernel: pwc: Registered as video1. Jul 15 17:50:39 surfplank2 kernel: input: PWC snapshot button as /devices/pci0000:00/0000:00:13.1/usb4/4-3/input/input9 Jul 15 17:50:39 surfplank2 kernel: usbcore: registered new interface driver Philips webcam Jul 15 17:50:39 surfplank2 colord[3375]: (colord:3375): Cd-WARNING **: CdMain: failed to emit DeviceAdded: failed to register object: An object is already exported for the interface org.freedesktop.ColorManager.Device at /org/freedesktop/ColorManager/devices/sysfs_0471_0311 So I have two webcams on this controller, each on a different port. The final line is an issue that cam with Fedora 17, nobody could foresee that one could need a colord *and* have two identical webcams too. (I do not need colord but have two webcams to be clear) After doing this I could modprobe pwc and start mrtg without problem. So now I can wait for the next occurrence. Kind regards, Udo -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
