Re: [gentoo-amd64] USB scanners and udev

[Antoine Martin]

I have used a Perfection 610 (usb) without problems for years with Linux 
  so it is unlikely to be a problem with udev/kernel.

Here is the line I have in /etc/sane.d/epson.conf:
usb 04b8 0103

This matches the usb id:
# lsusb  | grep Epson
Bus 001 Device 015: ID 04b8:0103 Seiko Epson Corp. Perfection 610

You should not need anything special (32-bit libraries, etc..)

Hope this helps

Antoine

Peter Humphrey wrote:
> Also not, perhaps, a 64-bit problem, but can someone please confirm that
> they can plug a USB scanner in and have it work? I have an Epson Perfection
> 640U which works under M$ but not Gentoo.
>
> I'm trying to follow gentoo-wiki.com/HOWTO_Installing_USB_Scanner, although
> it's not easy with so many variations being covered in the one document. I
> get as far as:
>
> # sane-find-scanner -q
> found USB scanner (vendor=0x04b8 [EPSON], product=0x010c [Perfection640  ])
> at libusb:002:007
>
> ..but:
> # scanimage -L
>
> No scanners were identified. [...]
>
> I can locate the /dev/usbdev* devices that are created when I plug the
> scanner in; changing their ownership to root:scanner has no effect on
> scanimage. I am in the scanner group, but running as root makes no
> difference anyway.
>
> Udev is at version 106, kernel 2.6.20, hotplug is started in the default
> run-level (though it seems to make no difference); what else can I say?
>
> Do I have to write a udev rule? /lib64/modules/2.6.20-gentoo/modules.usbmap
> contains nothing pertaining to my scanner, or is this a red herring?
>
> /proc/sys/kernel/hotplug contains a single blank line. Another red herring?
>

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