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<TITLE>sane-devel: Re: Invalid argument</TITLE>
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<META NAME="Author" CONTENT="Timothy Little (tim@lilly-villa.little-possums.net)">
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<META NAME="Subject" CONTENT="Re: Invalid argument">
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<H1>Re: Invalid argument</H1>
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<!-- received="Fri Sep 29 23:46:02 2000" -->
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<STRONG>From:</STRONG> Timothy Little (<A HREF="mailto:tim@lilly-villa.little-possums.net?Subject=Re:%20Invalid%20argument&In-Reply-To=<20000930180523.B5272@freeman.little-possums.net>"><EM>tim@lilly-villa.little-possums.net</EM></A>)<BR>
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<STRONG>Date:</STRONG> Sat Sep 30 2000 - 00:05:23 PDT
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<P>
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<LI><STRONG>Next message:</STRONG> <A HREF="0311.html">Jochen Eisinger: "Re: stupid questions (was: Invalid argument)"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0307.html">Claus Atzenbeck: "Re: Invalid argument"</A>
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<P>
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On Sat, Sep 30, 2000 at 08:15:34AM +0200, Claus Atzenbeck wrote:
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<BR>
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<EM>> On Sat, 30 Sep 2000, Nick Lamb wrote:
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> > On Sat, Sep 30, 2000 at 01:59:36AM +0200, Jochen Eisinger wrote:
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</EM><BR>
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<EM>> > > #scanimage --device epson:/dev/usbcanner0
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> This is not working either (same result):
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> # scanimage --device epson:/dev/usbcanner0
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</EM><BR>
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<EM>> [epson] Unknown type R or level K, using B3
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</EM><BR>
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<EM>> scanimage: open of device epson:/dev/usbcanner0 failed: Invalid argument
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</EM><BR>
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<P>"Invalid argument" is what scanimage says when almost anything goes
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<BR>
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wrong. It does it if the device file is missing, or already open, or
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<BR>
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the kernel driver is missing, or the scanner responds with something
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<BR>
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it shouldn't, or not at all.
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<BR>
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<P>Strangely enough after all that, it also gives the same message if the
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<BR>
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argument is, in fact, invalid.
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<BR>
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<P>In practice, the specific-sounding "Invalid argument" error message
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<BR>
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actually means 'something went wrong'.
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<BR>
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<P>- Tim
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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:%20Invalid%20argument&In-Reply-To=<20000930180523.B5272@freeman.little-possums.net>">majordomo@mostang.com</A>
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</PRE>
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<LI><STRONG>Next message:</STRONG> <A HREF="0311.html">Jochen Eisinger: "Re: stupid questions (was: Invalid argument)"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0309.html">Oliver Rauch: "xsane backend compatibility"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0307.html">Claus Atzenbeck: "Re: Invalid argument"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0311.html">Jochen Eisinger: "Re: stupid questions (was: Invalid argument)"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0308.html">Oliver Rauch: "Format of "DEVICE" [was: Invalid argument]"</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 Sep 29 2000 - 23:47:57 PDT</EM>
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