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<TITLE>sane-devel: Re: 2 scanners scanning at the same time?</TITLE>
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<META NAME="Author" CONTENT="Douglas Gilbert (dgilbert@interlog.com)">
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<META NAME="Subject" CONTENT="Re: 2 scanners scanning at the same time?">
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<H1>Re: 2 scanners scanning at the same time?</H1>
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<!-- received="Fri May 26 20:30:15 2000" -->
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<STRONG>From:</STRONG> Douglas Gilbert (<A HREF="mailto:dgilbert@interlog.com?Subject=Re:%202%20scanners%20scanning%20at%20the%20same%20time?&In-Reply-To=<392F42B9.D99FEF91@interlog.com>"><EM>dgilbert@interlog.com</EM></A>)<BR>
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<STRONG>Date:</STRONG> Fri May 26 2000 - 20:36:25 PDT
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<P>
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<LI><STRONG>Next message:</STRONG> <A HREF="0180.html">Douglas Gilbert: "Re: Some snapscan feedback"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0178.html">John Fremlin: "Re: Correct Network Scanner Syntax? (a question)"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0173.html">Michaël van Eeden: "2 scanners scanning at the same time?"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0184.html">Michaël van Eeden: "SOLVED: 2 scanners scanning at the same time?"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0184.html">Michaël van Eeden: "SOLVED: 2 scanners scanning at the same time?"</A>
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<HR NOSHADE><P>
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<P>
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Michaël van Eeden 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>> i have looked everywhere but couldn't find any info on this: i try to hook
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</EM><BR>
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<EM>> up two scanners to a linux box and let them scan at the same time. Because
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</EM><BR>
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<EM>> my scanners (both UMAX Astra 2400S) seems to block the scsi-adapter for a
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</EM><BR>
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<EM>> few seconds, i have installed 2 of them, one for each scanner. Now, when i
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</EM><BR>
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<EM>> try to scan simultanously, the last scanner still waits until the first is
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</EM><BR>
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<EM>> finished. I have no idea what is blocking: sg, sane, sane-umax. Does anybody
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</EM><BR>
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<EM>> know of any way to make this possible?
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> (my goal is to have a scan-server with multiple scanners attached to it,
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</EM><BR>
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<EM>> remotely operated by either saned or sanecgi).
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> My setup is:
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> Debian 2.1
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</EM><BR>
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<EM>> kernel 2.0.36 << Bingo
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</EM><BR>
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^^^^^^^^^^^^^^^
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<BR>
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<P>Michael,
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<BR>
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The Linux sg driver prior to lk 2.2.6 couldn't do two or more
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<BR>
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things at once (unless the buffer size was 4096 bytes or less).
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<BR>
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Can you upgrade your version of Linux?
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<BR>
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<P>If that is not possible contact me about a non-standard sg variant
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<BR>
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that might fix your problem.
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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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To unsubscribe: echo unsubscribe sane-devel | mail <A HREF="mailto:majordomo@mostang.com?Subject=Re:%202%20scanners%20scanning%20at%20the%20same%20time?&In-Reply-To=<392F42B9.D99FEF91@interlog.com>">majordomo@mostang.com</A>
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</PRE>
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<P><!-- body="end" -->
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<HR NOSHADE>
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<UL>
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<!-- next="start" -->
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<LI><STRONG>Next message:</STRONG> <A HREF="0180.html">Douglas Gilbert: "Re: Some snapscan feedback"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0178.html">John Fremlin: "Re: Correct Network Scanner Syntax? (a question)"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0173.html">Michaël van Eeden: "2 scanners scanning at the same time?"</A>
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<!-- nextthread="start" -->
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0184.html">Michaël van Eeden: "SOLVED: 2 scanners scanning at the same time?"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0184.html">Michaël van Eeden: "SOLVED: 2 scanners scanning at the same time?"</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>Fri May 26 2000 - 20:32:25 PDT</EM>
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