# Re: How can I get sane to recognise my scanner if I turn it on AFTER thePC?

From: Pierre Fortin (pfortin@SkyBest.com)
Date: Wed Mar 22 2000 - 12:47:52 PST

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  I recently had a problem with seg faults too... this turned out to be
  the permissions on the /dev entries. Adding rw solved these and
  scanning works again.

  HTH,
  Pierre

  John Gay wrote:
  >
  > I've been using sane for quite some time and overall, I find it to be quite
  > good. I've had several problems, but most of these were due to my newness to
  > Linux. I do have one problem that is still bothering me.
  >
  > When I turn on my scanner before my PC, sane, xsane etc all work as advertised.
  > If I don't turn on my scanner first, I can use
  >
  > echo "scsi-add-device 0 0 2 0"> /proc/scsi/scsi
  >
  > as root to enable my scanner, and a cat of /proc/scsi/scsi shows that the
  > scanner is recognised, however sane, xsane xsanimage all quit with a
  > segmentation fault. Most of the times, I just make sure my scanner is on first,
  > if I'm going to be using my scanner, but I'd like to have the option to enable
  > my scanner rather than having to re-boot.
  >
  > Has anyone got any ideas?
  >
  > Cheers,
  >
  > John Gay

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