# Microtek X6, USB and slackware problems

From: Roy Mathew (roymath@yahoo.com)
Date: Sat Feb 03 2001 - 13:16:24 PST

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  Folks,

  I am new to this list; I have been having no luck getting my Microtek
  X6 USB scanner to work, and after some correspondence with Oliver
  Neukum, we determined that it might be a bug with the SANE code.
  Oliver recommends that I post this message here; would be grateful for any
  help you can provide!

  # export SANE_SG_BUFFERSIZE=32768; scanimage -L
  device `microtek2:/dev/scanner' is a Microtek ScanMaker X6USB flatbed scanner
  device `microtek2:/dev/sga' is a Microtek ScanMaker X6USB flatbed scanner

  Running SANE under debug mode reveals a floating point exception. I have
  attached a full transcript of the debug mode log:

  # export SANE_DEBUG_MICROTEK2=128; scanimage -d microtek2:/dev/sga -T
  ...
  [microtek2] sane_get_parameters: depth=8, ppl=0, bpl=0
  Floating point exception
  ...

  My System:

  linux 2.4-test12 (slackware 7.1)
  Pentium II 233Mhz
  SANE backend 1.0.4 (also fails with 1.0.3)
  Microtek X6 USB scanner
  UHCI chipset (alternate driver)
  root@darkstar:~# cat /proc/scsi/scsi
  Attached devices:
  Host: scsi0 Channel: 00 Id: 00 Lun: 00
  Vendor: Model: Scanner 636A4 Rev: 1.30
  Type: Scanner ANSI SCSI revision: 02
  # dmesg
  ...
  SCSI subsystem driver Revision: 1.00
  usb.c: registered new driver usbdevfs
  usb.c: registered new driver hub
  usb.c: registered new driver microtek
  PCI: Found IRQ 10 for device 00:04.2
  uhci.c: USB UHCI at I/O 0xd400, IRQ 10
  uhci.c: detected 2 ports
  usb.c: new USB bus registered, assigned bus number 1
  hub.c: USB hub found
  hub.c: 2 ports detected
  8139too Fast Ethernet driver 0.9.12 loaded
  PCI: Found IRQ 11 for device 00:0c.0
  eth0: SMC1211TX EZCard 10/100 (RealTek RTL8139) at 0xc8845000,
  00:e0:29:4a:72:66, IRQ 11
  eth0: Identified 8139 chip type 'RTL-8139A'
  uhci.c: root-hub INT complete: port1: 80 port2: 93 data: 4
  hub.c: USB new device connect on bus1/2, assigned device number 2
  microtek usb (rev 0.2.4): model Scanmaker X6 is not known to be fully
  supported, reports welcome!
  scsi0 : microtek
  Vendor: Model: Scanner 636A4 Rev: 1.30
  Type: Scanner ANSI SCSI revision: 02
  ...

  root@darkstar:~# cat /proc/scsi/scsi

  Attached devices:
  Host: scsi0 Channel: 00 Id: 00 Lun: 00
  Vendor: Model: Scanner 636A4 Rev: 1.30
  Type: Scanner ANSI SCSI revision: 02

  root@darkstar:~# cat /proc/scsi/sg/*
  dev_max(currently)=7 max_active_device=1 (origin 1)
  scsi_dma_free_sectors=32 sg_pool_secs_aval=320 def_reserved_size=32768
  32768
  host chan id lun type bopens qdepth busy
  Scanner 636A4 1.30
  0 0 0 0 6 0 1 0
  uid busy cpl scatg isa emul
  microtek
  0 0 1 0 0 1
  30117 Version: 3.1.17 (20001002)

  root@darkstar:~# lsmod
  Module Size Used by
  8139too 15328 1
  uhci 18544 0 (unused)
  microtek 5424 0
  usbcore 45552 0 [uhci microtek]
  sg 21136 0
  scsi_mod 81824 2 [microtek sg]
  Thanks for your help.

  Roy Mathew.

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  - Next message: Peter Kirchgessner: "Re: TO ALL BACKEND AUTHORS: logo for backend/manufacturer"
  - Previous message: Douglas Gilbert: "Re: Problems with KYE ColorPage-HR5+DTC3181LE+Kernel 2.4.0"
  - Next in thread: Karsten Festag: "Re: Microtek X6, USB and slackware problems"
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  - Reply: Karsten Festag: "Re: Microtek X6, USB and slackware problems"
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