# Re: HP backend slow? / Saned problems

From: Mick Barry (mick@objects.com.au)
Date: Tue Apr 24 2001 - 21:03:23 PDT

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  Shawn D'Alimonte wrote:
  >
  > Yes. The 3 minute time was using scanimage on the local machine. It
  > doesn't have X so I couldn't try xscanimage or xsane.
  >
  > It looks like the backend spends a lot of time probing the scanner.
  >
  > Would the debug log be helpful?
  >

  Possibly. Post it and with any luck someone will recognise the problem.

  > On Tuesday 24 April 2001 01:04, Mick Barry wrote:
  > > Shawn,
  > >
  > > Have you tried doing a local scan (not using saned) and seeing how
  > > long that takes for the same scan. This'll help isolate whether the
  > > problem is with saned or not.
  > >
  > > mick
  > >
  > > Shawn D'Alimonte wrote:
  > > > I am trying to use my old HP ScanJet IIp as a network scanner. I
  > > > have it attached to an old 386/40 using the original HP SCSI
  > > > card[1]. A lineart scan with scanimage takes over 3 minutes. Is
  > > > this normal? When I turn on SANE_DEBUG_HP I see a lot of time spent
  > > > probing the scanner.
  > > >
  > > > I tried 'scanimage -d net:erwin:hp:/dev/sga >junk.pbm'on another
  > > > machine which takes about 5 minutes to do the scan (again a long
  > > > pause at the start, then a slowish scan) but when the scan is done
  > > > give an endless stream of 'scanimage: stopping scanner... (sig
  > > > 13)'. I was able to scan using XSane over the network once, but it
  > > > was slow and eventually crashed with a 'broken pipe'. Xscanimage
  > > > crashed with 'brokenpipe' during a preview.
  > > >
  > > > The machine is a generic 386SX/40 (No FPU) with 20MB RAM and a 30GB
  > > > HDD (Network MP3 server.) running Debian potato with a 2.2.19
  > > > kernel. Sane 1.0.4 was built from source. I have no other PCs
  > > > with SCSI ports (or ISA slots to put the card in) so I can't try on
  > > > a faster machine.
  > > >
  > > > [1] Yes, that card does work with Linux. You have to run the DOS
  > > > driver (mini400i.sys) to configure the IO port and IRQ before Linux
  > > > boots. I use a floppy w/ DOS, the driver, loadlin and the kernel
  > > > on it. Read /usr/src/linux/drivers/scsi/README.g_5380 for
  > > > configuration info. Give it the ncr_53c400a=1 option when loading.
  > > >
  > > > --
  > > > Shawn D'Alimonte sdalimon@home.com
  > > >
  > > > --
  > > > Source code, list archive, and docs: http://www.mostang.com/sane/
  > > > To unsubscribe: echo unsubscribe sane-devel | mail
  > > > majordomo@mostang.com
  > >
  > > --
  > > Source code, list archive, and docs: http://www.mostang.com/sane/
  > > To unsubscribe: echo unsubscribe sane-devel | mail
  > > majordomo@mostang.com
  >
  > --
  > Shawn D'Alimonte sdalimon@home.com

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