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<!-- received="Sat Jun 26 12:09:00 1999 PDT" -->
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<!-- sent="Sat, 26 Jun 1999 15:16:21 -0400" -->
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<!-- name="Douglas Gilbert" -->
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<!-- email="dgilbert@interlog.com" -->
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<!-- subject="Re: Umax 1200S on LinuxPPC R5" -->
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<!-- inreplyto="Umax 1200S on LinuxPPC R5" -->
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<title>sane-devel: Re: Umax 1200S on LinuxPPC R5</title>
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<h1>Re: Umax 1200S on LinuxPPC R5</h1>
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<b>Douglas Gilbert</b> (<a href="mailto:dgilbert@interlog.com"><i>dgilbert@interlog.com</i></a>)<br>
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<i>Sat, 26 Jun 1999 15:16:21 -0400</i>
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<p>
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<ul>
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<li> <b>Messages sorted by:</b> <a href="date.html#194">[ date ]</a><a href="index.html#194">[ thread ]</a><a href="subject.html#194">[ subject ]</a><a href="author.html#194">[ author ]</a>
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<li> <b>Next message:</b> <a href="0195.html">Hugo van der Kooij: "Re: New Camera"</a>
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<li> <b>Previous message:</b> <a href="0193.html">Oliver Rauch: "Re: Umax 1200S on LinuxPPC R5"</a>
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<li> <b>Maybe in reply to:</b> <a href="0140.html">Simon Piette: "Umax 1200S on LinuxPPC R5"</a>
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<!-- nextthread="start" -->
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<li> <b>Next in thread:</b> <a href="0196.html">Simon Piette: "Re: Umax 1200S on LinuxPPC R5"</a>
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<!-- reply="end" -->
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</ul>
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<!-- body="start" -->
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Oliver Rauch wrote:<br>
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<i>> </i><br>
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<i>> David Mosberger-Tang wrote:</i><br>
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<i>> </i><br>
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<i>> > >>>>> On Wed, 23 Jun 1999 19:24:53 -0400, Simon Piette <<a href="mailto:spiette@generation.net">spiette@generation.net</a>> said:</i><br>
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<i>> ></i><br>
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<i>> > Simon> Oliver Rauch wrote:</i><br>
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<i>> > >> I don`t know if SANE is tested on a big endian machine. May be</i><br>
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<i>> > >> there are problems too. I am not sure if the umax backend is</i><br>
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<i>> > >> tested on a big endian machine. But if the inquiry command</i><br>
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<i>> > >> returns with an error the problem is in the sanei/scsi or in the</i><br>
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<i>> > >> sg or scsi driver.</i><br>
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<i>> > >></i><br>
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<i>> ></i><br>
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<i>> > Simon> This is what I am thinking. This is not the first time we</i><br>
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<i>> > Simon> (linuxppc users) have that kind of problem with little/big</i><br>
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<i>> > Simon> endian (eg. sound). I'll check with the Linux PowerPC team</i><br>
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<i>> > Simon> ...</i><br>
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<i>> ></i><br>
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<i>> > Note that SANE is reported to work fine on SPARC Solaris, which is</i><br>
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<i>> > big-endian.</i><br>
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<i>> ></i><br>
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<i>> > The only endian-issues that I'm aware of is that if you try to scan</i><br>
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<i>> > with >8 bits/channel across the net-backend and the endianness between</i><br>
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<i>> > the hosts differ, you'll lose. This is something that's easy to fix,</i><br>
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<i>> > but I haven't had the chance to implement it yet.</i><br>
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<i>> ></i><br>
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<i>> </i><br>
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<i>> Ok, so it looks like a problem with the scsi-card or driver or the sg driver.</i><br>
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<i>> I don`t know if the umax backend is ever tested on a big endian machine,</i><br>
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<i>> but if the inquiry command returns with an error I don't think it is a problem</i><br>
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<i>> with the umax backend.</i><br>
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<i>> </i><br>
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<p>
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As I posted recently, if a problem with the sg driver is<br>
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suspected then the user should download the utility and<br>
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test program tarball from:<br>
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<a href="http://www.torque.net/sg">http://www.torque.net/sg</a><br>
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<p>
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and run "sg_scan -i". This goes through ever SCSI<br>
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device mapped to /dev/sg* and sends an INQUIRY command<br>
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to it and outputs the result. That program should work<br>
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on any linux kernel from from 2.0 to 2.3.8 . <br>
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<p>
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BTW The mapping of SCSI devices to /dev/sg* file names<br>
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is in the same order as those devices appear in<br>
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'cat /proc/scsi/scsi'.<br>
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<p>
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Doug Gilbert<br>
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<p>
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<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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</pre>
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<!-- body="end" -->
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<p>
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<ul>
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<!-- next="start" -->
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<li> <b>Next message:</b> <a href="0195.html">Hugo van der Kooij: "Re: New Camera"</a>
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<li> <b>Previous message:</b> <a href="0193.html">Oliver Rauch: "Re: Umax 1200S on LinuxPPC R5"</a>
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<li> <b>Maybe in reply to:</b> <a href="0140.html">Simon Piette: "Umax 1200S on LinuxPPC R5"</a>
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<!-- nextthread="start" -->
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<li> <b>Next in thread:</b> <a href="0196.html">Simon Piette: "Re: Umax 1200S on LinuxPPC R5"</a>
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<!-- reply="end" -->
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</ul>
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