On Sun, 2 Feb 2020, Ken Stephens wrote:
Permissions???
Hi, Ken!
If the device is not assigned until the unit is plugged into a port (which
is how it's powered as well as communicating data) I don't know how to
identify the port and its perms:
tail -f /var/log/messages
Feb 2 12:51:15 salmo kernel: [3617049.248090] usb 1-11: new high-speed USB
device number 100 using xhci_hcd
Feb 2 12:51:15 salmo kernel: [3617049.479832] usb 1-11: New USB device found,
idVendor=04a9, idProduct=1912, bcdDevice= 1.00
Feb 2 12:51:15 salmo kernel: [3617049.479835] usb 1-11: New USB device
strings: Mfr=1, Product=2, SerialNumber=3
Feb 2 12:51:15 salmo kernel: [3617049.479837] usb 1-11: Product: LiDE 400
Feb 2 12:51:15 salmo kernel: [3617049.479839] usb 1-11: Manufacturer: Canon
Feb 2 12:51:15 salmo kernel: [3617049.479840] usb 1-11: SerialNumber: 4301BD
Feb 2 12:51:15 salmo mtp-probe: checking bus 1, device 100: "/sys/devices/pci0000:00/0000:00:01.3/0000:01:00.0/usb1/1-11"
Feb 2 12:51:15 salmo mtp-probe: bus: 1, device: 100 was not an MTP device
Feb 2 12:52:59 salmo kernel: [3617153.341430] usb 1-11: USB disconnect, device number 100
And, this is when a user (me) connects the scanner to either a front port
(it works) or the hub (it doesn't work).
Regards,
Rich
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