Re: Maxi-scan A4 scanner (AGAIN!!!) under Mandrake 8.0 (2.4.3)

From: Henning Meier-Geinitz (henning@meier-geinitz.de)
Date: Wed May 23 2001 - 08:38:43 PDT

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    Hi,

    On Tue, May 22, 2001 at 09:09:38PM +0200, Ceri Hankey wrote:
    > I am STILL fighting to get my scanner working under Linux - NEITHER
    > the USB one (Agfa 1212u) NOR the SCSI one (MaxiScan A4 attached to an
    > Acard SCSI controller (atp870u driver)) will work.

    Did you use the fixed Acard driver? If not, look at
    http://www.meier-geinitz.de/sane/trouble.html#SCSI for some words
    about that (search for Acard).

    > May 22 21:02:49 ceri2 modprobe: modprobe: Can't locate module char-major-81

    That's Video for Linux. You can disable the v4l bacjend in dll.conf.

    > May 22 21:02:49 ceri2 kernel: scanner.c: open_scanner(0): Unable to access minor data

    That's from the kernel USB scanner module. I don't know what the erroe
    message means exactly.

    > >> ls -l /dev/sg*
    > crw-rw-rw- 1 root root 180, 48 May 21 13:28 /dev/sg0
    > crw-rw-rw- 1 root root 180, 48 May 21 13:28 /dev/sg1
    > crw-rw-rw- 1 root root 180, 48 May 21 13:28 /dev/sg2
    [...]

    Huh? You are using the names for the SCSI generic devices but the
    major and minor numbers for the USB scanner module. That's ugly.
    Further more, all devices point to the first scanner (48). Read
    /usr/src/linux/Documentation/devices.txt for details. Use /dev/sg* for
    SCSI and something like /dev/usbscanner0 for USB.

    Bye,
      Henning

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