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<TITLE>sane-devel: Re: SCSI or Scanner???</TITLE>
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<META NAME="Author" CONTENT="Douglas Gilbert (dgilbert@interlog.com)">
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<META NAME="Subject" CONTENT="Re: SCSI or Scanner???">
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<H1>Re: SCSI or Scanner???</H1>
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<STRONG>From:</STRONG> Douglas Gilbert (<A HREF="mailto:dgilbert@interlog.com?Subject=Re:%20SCSI%20or%20Scanner???&In-Reply-To=<39DAA6AB.ADF96FEF@interlog.com>"><EM>dgilbert@interlog.com</EM></A>)<BR>
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<STRONG>Date:</STRONG> Tue Oct 03 2000 - 20:40:27 PDT
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<LI><STRONG>Next message:</STRONG> <A HREF="0039.html">Mitsuru$B!!(BOkaniw: "The problem of xscanimage by CanoscanFB620S"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0037.html">Daemon Ares: "Re: Acer 320U"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0021.html">Henning Meier-Geinitz: "Re: SCSI or Scanner???"</A>
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<P>
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Henning Meier-Geinitz wrote:
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<BR>
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<EM>>
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</EM><BR>
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<EM>> Hi,
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> On Mon, Oct 02, 2000 at 10:20:29PM +0200, Martin wrote:
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</EM><BR>
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<EM>> > # scanimage -d mustek:/dev/sge
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</EM><BR>
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<EM>> > Bad segment list supplied to aha1542.c (1, 0)
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</EM><BR>
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<EM>> > 0: c07b8000 1 0
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</EM><BR>
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<EM>> > cptr c02c7000: 00 00 00 10 00 00 00 a0 7d c0 00 00 00 00
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</EM><BR>
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<EM>> > 00 10 00 00 <0>
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</EM><BR>
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<EM>> > Kernel panic: Foooooooood fight!
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> Try to limit the SCSI buffer size to 32kb. There was a problem in the
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</EM><BR>
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<EM>> driver(s) for some Adaptec controllers but I thought it's fixed in newer
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</EM><BR>
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<EM>> kernels. With newer Mustek backends (e.g. from SANE 1.0.3) you can just use
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</EM><BR>
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<EM>> "option buffersize 32" in mustek.conf after the definition of your scanner.
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</EM><BR>
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<EM>> See also README.linux (from SANE 1.0.3) and
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</EM><BR>
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<EM>> <A HREF="http://hmg.home.pages.de/sane/trouble.html">http://hmg.home.pages.de/sane/trouble.html</A>
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</EM><BR>
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<P>Yes, it was fixed in sg version 2.1.38 found in lk 2.2.16 .
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<BR>
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The problem occurred in lk 2.2.14 + 2.2.15 but only became
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<BR>
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apparent when SANE increased the default SCSI buffer size
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<BR>
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beyond 32 KB (in SANE 1.0.3, I think). This problem
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<BR>
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only effects the aha1542 driver. Also note that just
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<BR>
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because a distribution calls a kernel 2.2.16 (for example),
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<BR>
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it doesn't necessarily mean that it is; look in file
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<BR>
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/usr/src/linux/include/scsi/sg.h to see what sg driver
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<BR>
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version is being used.
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<BR>
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<P>Doug Gilbert
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<BR>
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<P><PRE>
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--
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Source code, list archive, and docs: <A HREF="http://www.mostang.com/sane/">http://www.mostang.com/sane/</A>
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<EM>
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This archive was generated by <A HREF="http://www.hypermail.org/">hypermail 2b29</A>
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: <EM>Tue Oct 03 2000 - 20:42:16 PDT</EM>
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