# Re: musteka4s2: problems

From: Jochen Eisinger (jochen.eisinger@gmx.net)
Date: Fri Jun 02 2000 - 19:08:44 PDT

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  Paulo Abreu wrote:
  >
  > I'm trying to use the musteka4s2 backend with sane 1.0.2:
  >
  > If I do a
  > scanimage -d musteka4s2:0x378
  > I get a
  > open of device musteka4s2:0x378 failed: Invalid argument

  What scanner is connected to your PC? Is it still this Mustek SE12000P?
  In this case, the scanner is just not recognized. the backend just
  supports ASIC-ID 1013 (CCD-Type 0 & 1) and ASIC-ID 1015 (CCD-Type 0, 1&4
  are unstable) scanners. The Mustek SE120000P reports ASIC-ID 1505
  (CCD-Type unknown)...

  >
  > If I use a different argument to the right of the : I get often a seg
  > fault, eg:
  > scanimage -d musteka4s2:0x278
  >

  This is a bug... the backend fails to gain IO privileges using ioparm()
  when the device isn't mentioned in the config file. When the backend
  tries to detect the scanner it catches a SIGSEGV...

  > Even adding --help, or -T, the same resut comes out.
  >
  > Am I doing something wrong?

  no ;-)
  >
  > Paulo
  >
  > --
  > Source code, list archive, and docs: http://www.mostang.com/sane/
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  -- jochen

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