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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