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<TITLE>sane-devel: Re: seg-faults for network access</TITLE>
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<META NAME="Author" CONTENT="Henning Meier-Geinitz (hmg-ml@gmx.de)">
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<META NAME="Subject" CONTENT="Re: seg-faults for network access">
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<H1>Re: seg-faults for network access</H1>
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<!-- received="Sun Dec 10 02:37:06 2000" -->
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<STRONG>From:</STRONG> Henning Meier-Geinitz (<A HREF="mailto:hmg-ml@gmx.de?Subject=Re:%20seg-faults%20for%20network%20access&In-Reply-To=<20001210113410.A13976@vortex.swb.de>"><EM>hmg-ml@gmx.de</EM></A>)<BR>
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<STRONG>Date:</STRONG> Sun Dec 10 2000 - 02:34:10 PST
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<LI><STRONG>Previous message:</STRONG> <A HREF="0095.html">Thomas Lotze: "Guillemot scanner"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0091.html">Daniel Kerry Hiltgen: "seg-faults for network access"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0115.html">Daniel Kerry Hiltgen: "Re: seg-faults for network access"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0100.html">Jochen Eisinger: "Re: seg-faults for network access"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0115.html">Daniel Kerry Hiltgen: "Re: seg-faults for network access"</A>
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<P>
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Hi,
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<BR>
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<P>On Sat, Dec 09, 2000 at 09:36:18PM -0800, Daniel Kerry Hiltgen wrote:
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<BR>
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<EM>> #0 0x400d18a7 in memcpy (dstpp=0x805a890, srcpp=0x805a894, len=4294967292)
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</EM><BR>
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<EM>> at ../sysdeps/generic/memcpy.c:55
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</EM><BR>
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<EM>> #1 0x402ca03e in sanei_w_space (w=0x805a83c, howmuch=4) at sanei_wire.c:84
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</EM><BR>
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<EM>> #2 0x402c9b78 in bin_w_word (w=0x805a83c, v=0xbffff780)
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</EM><BR>
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<EM>> at sanei_codec_bin.c:94
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</EM><BR>
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<EM>> #3 0x402ca248 in sanei_w_word (w=0x805a83c, v=0xbffff780) at sanei_wire.c:207
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</EM><BR>
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<P>[...]
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<BR>
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<P>4294967292 is the maximum (32 bit) unsigned int value minus 4. So
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<BR>
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maybe that's a signed/unsigned problem. If this was a byte order
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<BR>
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problem shouldn't the result be:
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<BR>
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<P>0 0 0 4 is interpreted as 4 0 0 0 --> 67108864
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<BR>
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<P>Similar things happen if scanning via saned on localhost (something
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<BR>
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like scanimage -d net:localhost:mustek:/dev/scanner). So I'm not sure
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<BR>
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if this is a byte order problem. Maybe Jochen can talk about this, he
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<BR>
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is looking for the local saned crashes. On the other hand there is a
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<BR>
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TODO list entry:
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<BR>
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<P> * check net/saned
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<BR>
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[...]
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<BR>
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- don't just ignore the byte-order for theimage data (needed to
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<BR>
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support depths > 8 bits/channel)
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<BR>
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<P><EM>> Any thoughts? Can I provide more information that might be helpful in
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</EM><BR>
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<EM>> diagnosing the problem? (FWIW: Mustek 1200 LS)
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</EM><BR>
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<P>Oh! I'm very interested in this scanner. Is this a Legal size or A4
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<BR>
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scanner? Please send me the output (dbg.log) of the following
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<BR>
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command:
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<BR>
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<P>SANE_DEBUG_MUSTEK=5 scanimage -L 2>dbg.log
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<BR>
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<P>Is it working with the Mustek backend without problems?
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<BR>
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<P>Bye,
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<BR>
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Henning
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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:%20seg-faults%20for%20network%20access&In-Reply-To=<20001210113410.A13976@vortex.swb.de>">majordomo@mostang.com</A>
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</PRE>
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<LI><STRONG>Next message:</STRONG> <A HREF="0097.html">Oliver Rauch: "xsane-0.65 configure script"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0115.html">Daniel Kerry Hiltgen: "Re: seg-faults for network access"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0100.html">Jochen Eisinger: "Re: seg-faults for network access"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0115.html">Daniel Kerry Hiltgen: "Re: seg-faults for network access"</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>Sun Dec 10 2000 - 02:37:39 PST</EM>
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