On Tuesday 02 May 2006 18:45, m. allan noah wrote:
> SANE_DEBUG_SANEI_USB=255 scanimage -L

It produces *loads* of output, but I think the relevant bits are:

[sanei_usb] sanei_usb_init: Looking for kernel scanner devices
[sanei_usb] kernel_get_vendor_product: ioctl (vendor) of 
device /dev/usbscanner0 failed: Inappropriate ioctl for device
[sanei_usb] sanei_usb_get_vendor_product: ioctl (product) of 
device /dev/usbscanner0 failed: Inappropriate ioctl for device
[sanei_usb] sanei_usb_init: found kernel scanner device 
(0xffffffff/0xffffffff) at /dev/usbscanner0
[sanei_usb] sanei_usb_init: Looking for libusb devices
usb_os_init: Found USB VFS at /proc/bus/usb
usb_set_debug: Setting debugging level to 255 (on)
[sanei_usb] sanei_usb_init: device 0x0000/0x0000 looks like a root hub
[sanei_usb] sanei_usb_init: found libusb device (0x04b8/0x011d) interface 0  
at libusb:002:002

The lines referring to /dev/usbscanner0 are where I've told udev to create a 
scanner device and set its permissions.

Further down this thread, Henning Meier-Geinitz tells me I shouldn't do this, 
and it won't work, so I will remove it!

The scanner has been found by libusb (this time) at 002:002, but frequently it 
appears at 001:003, which is why I can't use a simple script to set 
permissions!

I'm going to be pretty tied up for the next three or four days with my "day" 
job, but I will pursue this as and when I get the chance!

Many thanks for your help!

-- 
Pete
chri...@attglobal.net

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