# Re: Problems with Prisa 620S [snapscan] + BUG in xsane 0.76

From: Oliver Rauch (oliver.rauch@rauch-domain.de)
Date: Tue May 22 2001 - 09:22:15 PDT

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  Ben Stanley wrote:
  >
  > SANE_DEBUG_SNAPSCAN=255 ./saned -d255
  >
  > and redirecting the output. I checked the size inquiry before the scan
  > data was read, and from the get_parameters call which occurs just after
  > the scan started. It seems that these two are not returning the same
  > number of lines. should they be? I can post log output if you want.

  Hi Ben,

  I took a short look at the snapscan source. There are two things:
  1) I can find out from which time the scanning related values
  are set (not the guessed ones)
  2) it is possible (looks a bit like that) the the backend does
  not respond the complete lines in param.lines but the
  remainig lines until the end of the scan. That would be a big bug.

  Can you find out about that, e.g. by adding a call to
  sane_get_parameters in xsane after sane_read ?!

  Bye
  Oliver

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