Reran the test to the letter. Same result with or without usblp - "Waiting for printer to become available." Turning the printer on/off has no effect.
[ 498.400172] usb 1-2: USB disconnect, device number 2 [ 502.084102] usb 1-2: new full-speed USB device number 3 using uhci_hcd [ 535.352175] usb 1-2: USB disconnect, device number 3 [ 538.072117] usb 1-2: new full-speed USB device number 4 using uhci_hcd [ 551.654143] usb 1-2: usbfs: process 1114 (usb) did not claim interface 1 before use ... [ 606.739712] usb 1-2: usbfs: process 1114 (usb) did not claim interface 1 before use [ 610.516523] usblp0: USB Bidirectional printer dev 4 if 1 alt 0 proto 2 vid 0x04E8 pid 0x341B [ 610.516650] usbcore: registered new interface driver usblp [ 611.747549] usblp0: removed [ 611.747633] usb 1-2: usbfs: process 1114 (usb) did not claim interface 1 before use [ 631.328167] usb 1-2: USB disconnect, device number 4 [ 635.660105] usb 1-2: new full-speed USB device number 5 using uhci_hcd [ 635.843492] usblp0: USB Bidirectional printer dev 5 if 1 alt 0 proto 2 vid 0x04E8 pid 0x341B [ 652.160171] usb 1-2: USB disconnect, device number 5 [ 652.166071] usblp0: removed [ 655.404096] usb 1-2: new full-speed USB device number 6 using uhci_hcd [ 655.580538] usblp0: USB Bidirectional printer dev 6 if 1 alt 0 proto 2 vid 0x04E8 pid 0x341B [ 668.570873] usblp0: removed [ 668.570993] usb 1-2: usbfs: process 1155 (usb) did not claim interface 1 before use ... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
