I have a netbook running Oneiric, applied all Oneiric updates from your PPA.
Plugged USB adapter with printer on. No auto-detect so I manually configured printer but still no joy :-( ianl@20gb-901:~$ sudo /usr/lib/cups/backend/usb DEBUG: list_devices DEBUG: libusb_get_device_list=9 direct usb://Unknown/Printer "Unknown" "Unknown" "" "" Here is the syslog when unplug adapter at 14:40:47 and plug in at 14:41:00 : Mar 2 14:40:47 20gb-901 kernel: [ 1007.792772] usblp0: removed Mar 2 14:40:47 20gb-901 udev-configure-printer: remove /devices/pci0000:00/0000:00:1d.1/usb3/3-2 Mar 2 14:41:00 20gb-901 kernel: [ 1020.680225] usb 2-2: new full speed USB device number 2 using uhci_hcd Mar 2 14:41:01 20gb-901 mtp-probe: checking bus 2, device 2: "/sys/devices/pci0000:00/0000:00:1d.0/usb2/2-2" Mar 2 14:41:01 20gb-901 kernel: [ 1020.883540] usblp0: USB Bidirectional printer dev 2 if 0 alt 1 proto 2 vid 0x067B pid 0x2305 Mar 2 14:41:01 20gb-901 mtp-probe: bus: 2, device: 2 was not an MTP device Mar 2 14:41:01 20gb-901 kernel: [ 1021.029314] usb 2-2: usbfs: USBDEVFS_CONTROL failed cmd mtp-probe rqt 128 rq 6 len 1024 ret -71 Mar 2 14:41:01 20gb-901 udev-configure-printer: add /devices/pci0000:00/0000:00:1d.0/usb2/2-2/2-2:1.0 Mar 2 14:41:01 20gb-901 udev-configure-printer: device devpath is /devices/pci0000:00/0000:00:1d.0/usb2/2-2 Mar 2 14:41:01 20gb-901 udev-configure-printer: Device vendor/product is 067B:2305 Mar 2 14:41:01 20gb-901 udev-configure-printer: failed to claim interface Mar 2 14:41:01 20gb-901 udev-configure-printer: failed to claim interface Mar 2 14:41:01 20gb-901 udev-configure-printer: add /devices/pci0000:00/0000:00:1d.0/usb2/2-2/2-2:1.0/usb/lp0 Mar 2 14:41:01 20gb-901 udev-configure-printer: device devpath is /devices/pci0000:00/0000:00:1d.0/usb2/2-2 Mar 2 14:43:53 20gb-901 kernel: [ 1193.587001] usblp0: removed Mar 2 14:43:53 20gb-901 kernel: [ 1193.597743] usblp0: USB Bidirectional printer dev 2 if 0 alt 1 proto 2 vid 0x067B pid 0x2305 Mar 2 14:43:53 20gb-901 udev-configure-printer: add /devices/pci0000:00/0000:00:1d.0/usb2/2-2/2-2:1.0/usb/lp0 Mar 2 14:43:53 20gb-901 udev-configure-printer: device devpath is /devices/pci0000:00/0000:00:1d.0/usb2/2-2 Nothing crashed so did not do trace. Here is output after unplug adapter: ianl@20gb-901:~$ sudo /usr/lib/cups/backend/usb DEBUG: list_devices DEBUG: libusb_get_device_list=8 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/938640 Title: canon bj-200 has stopped printing To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/938640/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
