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<TITLE>sane-devel: seg-faults for network access</TITLE>
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<META NAME="Author" CONTENT="Daniel Kerry Hiltgen (dhiltgen@lug.ee.calpoly.edu)">
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<META NAME="Subject" CONTENT="seg-faults for network access">
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<H1>seg-faults for network access</H1>
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<!-- name="Daniel Kerry Hiltgen" -->
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<!-- subject="seg-faults for network access" -->
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<STRONG>From:</STRONG> Daniel Kerry Hiltgen (<A HREF="mailto:dhiltgen@lug.ee.calpoly.edu?Subject=Re:%20seg-faults%20for%20network%20access&In-Reply-To=<20001209213618.C6330@lug.calpoly.edu>"><EM>dhiltgen@lug.ee.calpoly.edu</EM></A>)<BR>
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<STRONG>Date:</STRONG> Sat Dec 09 2000 - 21:36:18 PST
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<LI><STRONG>Next message:</STRONG> <A HREF="0092.html">Dave Hill: "Re: xsane-0.65 released"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0090.html">Ian Cartwright: "Prisa 320U and Sane Solved"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0096.html">Henning Meier-Geinitz: "Re: seg-faults for network access"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0096.html">Henning Meier-Geinitz: "Re: seg-faults for network access"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0100.html">Jochen Eisinger: "Re: seg-faults for network access"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0108.html">Jochen Eisinger: "Re: seg-faults for network access"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0245.html">Jochen Eisinger: "Re: seg-faults for network access"</A>
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<HR NOSHADE><P>
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<P>
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Does anyone know if saned and the network protocol is byte order clean,
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<BR>
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independent of the underlying architecture? (just a hunch...)
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<BR>
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<P>I've got my scanner hooked up to a Sun Sparc (running linux), and I'm
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<BR>
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trying to access it from an x86 box. Local scans on the sparc seem to
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<BR>
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work, but it's headless/no X so I really want to use my desktop machine
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<BR>
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to do real scans.
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<BR>
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<P>Here's one stack trace of the seg-fault. (I get roughly the same stack
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<BR>
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in scanimage -L, xsane, and xscanimage)
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<BR>
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<P>(This is sane 1.0.3 on both sides)
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<BR>
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#0 0x400d18a7 in memcpy (dstpp=0x805a890, srcpp=0x805a894, len=4294967292)
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<BR>
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at ../sysdeps/generic/memcpy.c:55
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<BR>
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#1 0x402ca03e in sanei_w_space (w=0x805a83c, howmuch=4) at sanei_wire.c:84
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<BR>
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#2 0x402c9b78 in bin_w_word (w=0x805a83c, v=0xbffff780)
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<BR>
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at sanei_codec_bin.c:94
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<BR>
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#3 0x402ca248 in sanei_w_word (w=0x805a83c, v=0xbffff780) at sanei_wire.c:207
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<BR>
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#4 0x402c9c7d in sanei_w_init_reply (w=0x805a83c, reply=0xbffff77c)
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<BR>
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at sanei_net.c:60
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<BR>
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#5 0x402ca736 in sanei_w_call (w=0x805a83c, procnum=0,
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<BR>
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w_arg=0x402c9c20 <sanei_w_init_req>, arg=0xbffff784,
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<BR>
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w_reply=0x402c9c54 <sanei_w_init_reply>, reply=0xbffff77c)
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<BR>
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at sanei_wire.c:402
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<BR>
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#6 0x402c8142 in connect_dev (dev=0x805a820) at net.c:198
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<BR>
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#7 0x402c8696 in sane_net_get_devices (device_list=0xbffff824, local_only=0)
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<BR>
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at net.c:438
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<BR>
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#8 0x40015eac in sane_dll_get_devices (device_list=0xbffff894, local_only=0)
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<BR>
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at dll.c:624
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<BR>
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#9 0x400165bf in sane_get_devices (dl=0xbffff894, local=0) at dll-s.c:15
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<BR>
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#10 0x804ade3 in main (argc=2, argv=0xbffffce4) at scanimage.c:1174
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<BR>
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#11 0x4008acb3 in __libc_start_main (main=0x804ac40 <main>, argc=2,
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<BR>
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argv=0xbffffce4, init=0x8048d00 <_init>, fini=0x804c0fc <_fini>,
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<BR>
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rtld_fini=0x4000a350 <_dl_fini>, stack_end=0xbffffcdc)
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<BR>
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at ../sysdeps/generic/libc-start.c:78
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<BR>
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<P><P>I looked at the code briefly and it looks like sanei_wire is using data
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<BR>
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from the stream to do allocation/copying so that's what makes me think
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<BR>
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this might be a byte order glitch...
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<BR>
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<P>Any thoughts? Can I provide more information that might be helpful in
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<BR>
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diagnosing the problem? (FWIW: Mustek 1200 LS)
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<BR>
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<P>Thanks.
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<BR>
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<P><PRE>
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--
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Daniel Kerry Hiltgen Computer Science Cal Poly, San Luis Obispo, CA
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Graduated 1999: Currently work for Sun Microsystems
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<A HREF="mailto:dhiltgen@lug.calpoly.edu?Subject=Re:%20seg-faults%20for%20network%20access&In-Reply-To=<20001209213618.C6330@lug.calpoly.edu>">dhiltgen@lug.calpoly.edu</A> <A HREF="http://lug.calpoly.edu/~dhiltgen/">http://lug.calpoly.edu/~dhiltgen/</A>
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"In a world without fences who needs Gates?" 1997 JavaOne Conference
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<P>--
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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=<20001209213618.C6330@lug.calpoly.edu>">majordomo@mostang.com</A>
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</PRE>
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<LI><STRONG>Next message:</STRONG> <A HREF="0092.html">Dave Hill: "Re: xsane-0.65 released"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0090.html">Ian Cartwright: "Prisa 320U and Sane Solved"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0096.html">Henning Meier-Geinitz: "Re: seg-faults for network access"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0096.html">Henning Meier-Geinitz: "Re: seg-faults for network access"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0100.html">Jochen Eisinger: "Re: seg-faults for network access"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0108.html">Jochen Eisinger: "Re: seg-faults for network access"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0245.html">Jochen Eisinger: "Re: seg-faults for network access"</A>
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This archive was generated by <A HREF="http://www.hypermail.org/">hypermail 2b29</A>
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: <EM>Sat Dec 09 2000 - 21:35:16 PST</EM>
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