On Sat, 12 Dec 2009, sean darcy wrote: > On Fedora 12, 2.6.31.6-166.fc12.i686, libusb-0.1.12-22. When I try to > connect to my shiny new Canon camera I get in syslog: > > Dec 12 16:18:57 daddy kernel: usb 2-1: new high speed USB device using > ehci_hcd and address 5 > Dec 12 16:18:57 daddy kernel: usb 2-1: New USB device found, > idVendor=04a9, idProduct=31cf > Dec 12 16:18:57 daddy kernel: usb 2-1: New USB device strings: Mfr=1, > Product=2, SerialNumber=0 > Dec 12 16:18:57 daddy kernel: usb 2-1: Product: Canon Digital Camera > Dec 12 16:18:57 daddy kernel: usb 2-1: Manufacturer: Canon Inc. > Dec 12 16:18:57 daddy kernel: usb 2-1: configuration #1 chosen from 1 choice > Dec 12 16:19:27 daddy kernel: usb 2-1: USB disconnect, address 5 > Dec 12 16:19:27 daddy gnome-keyring-daemon[1488]: removing removable > location: /root/.gvfs/gphoto2 mount on usb%3A002,005 > Dec 12 16:19:27 daddy gnome-keyring-daemon[1488]: no volume registered > at: /root/.gvfs/gphoto2 mount on usb%3A002,005 > Dec 12 16:19:27 daddy gnome-keyring-daemon[1488]: removing removable > location: /root/.gvfs/gphoto2 mount on usb%3A002,005 > Dec 12 16:19:27 daddy gnome-keyring-daemon[1488]: no volume registered > at: /root/.gvfs/gphoto2 mount on usb%3A002,005 > > That is what happens when I click open with gphoto in the open camera > dialog box. > > If I don't click anything in the dialog box, I get: > > Dec 12 16:29:28 daddy kernel: usb 2-1: new high speed USB device using > ehci_hcd and address 7 > Dec 12 16:29:29 daddy kernel: usb 2-1: New USB device found, > idVendor=04a9, idProduct=31cf > Dec 12 16:29:29 daddy kernel: usb 2-1: New USB device strings: Mfr=1, > Product=2, SerialNumber=0 > Dec 12 16:29:29 daddy kernel: usb 2-1: Product: Canon Digital Camera > Dec 12 16:29:29 daddy kernel: usb 2-1: Manufacturer: Canon Inc. > Dec 12 16:29:29 daddy kernel: usb 2-1: configuration #1 chosen from 1 choice > Dec 12 16:30:00 daddy kernel: usb 2-1: USB disconnect, address 7 > Dec 12 16:30:00 daddy gnome-keyring-daemon[1488]: mount_removed: > assertion `path' failed > Dec 12 16:30:00 daddy gnome-keyring-daemon[1488]: mount_removed: > assertion `path' failed > > So in either case, the camera is disconnected in 30 seconds. A usbmon trace may show the source of the problem. Instructions can be found in the kernel source file Documentation/usb/usbmon.txt. Alan Stern -- 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
