Symbios SCSI problem? (was Epson GT8700: "Error ...")

From: Phil Cummins (cummins@xochitl.jamstec.go.jp)
Date: Wed Oct 04 2000 - 22:53:28 PDT

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    Hello,

       I'm sorry for cluttering up the mailing list with so
    many postings. However, I noticed what may be an important
    aspect of my problem with the GT 8700 scanner.

      As I mentioned, I use Redhat 6.2, kernel 2.2.14, and
    my SCSI controller is an on-board NCR 53c875 (now known
    as Symbios? - driver is sym53c8xx). I am using sane-1.03.
    Detection of the scanner gets reported in the boot message
    and appears in /proc/scsi/scsi as:

    Host: scsi0 Channel: 00 Id: 02 Lun: 00
      Vendor: EPSON Model: SCANNER GT-8700 Rev: 1.03

    and indeed the Lun is set to 2 on the scanner. My understanding
    is that this should correspond to /dev/sgc, so I made the
    soft link:
       /dev/scanner -> /dev/sgc

    However, scanimage -L reports:
    device `epson:/dev/sgb' is a Epson GT-8700 flatbed scanner

    So, it seems to be getting the wrong Lun. I tried removing
    the link /dev/scanner->/dev/sdc, and then scanimage doesn't
    find the scanner. Finally, I tried changing the Lun on the
    scanner to 1 and rebooting. I also linked /dev/scanner->/dev/sdc.
    Now scanimage -L waits a long time before reporting:

    [s9036] sense_handler() : sense code = f0
    Segmentation fault

    In any case, it now appears that what I thought was a
    problem with the Epson GT8700 is actually a problem with
    my Symbios SCSI, don't you think? (Somehow I doubt that the
    SCSI people will be very surprised by this...)

    Any suggestions gratefully apprectiated. 

    -- 
---------------------------------------------------------------------
Phil R Cummins                                 cummins@jamstec.go.jp
Frontier Research for Subduction Dynamics  tel(i/d):81/0-468-67-3393
JAMSTEC, 2-15 Natsushima-cho               fax(i/d):81/0-468-67-3409
Yokosuka 237-0061, Japan              http://w3.jamstec.go.jp:5090/

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