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80 wiersze
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<!-- received="Wed Nov 24 19:34:53 1999 PST" -->
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<!-- sent="Wed, 24 Nov 1999 22:04:47 -0500" -->
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<!-- name="Douglas Gilbert" -->
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<!-- email="dgilbert@interlog.com" -->
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<!-- subject="Re: Umax 1220S problem fixed" -->
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<!-- inreplyto="Umax 1220S problem fixed" -->
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<title>sane-devel: Re: Umax 1220S problem fixed</title>
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<h1>Re: Umax 1220S problem fixed</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>Wed, 24 Nov 1999 22:04:47 -0500</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#239">[ date ]</a><a href="index.html#239">[ thread ]</a><a href="subject.html#239">[ subject ]</a><a href="author.html#239">[ author ]</a>
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<li> <b>Next message:</b> <a href="0240.html">Manuel Panea: "Re: Problem with SANE and SCSI scanner"</a>
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<li> <b>Previous message:</b> <a href="0238.html">Laura DeWitt: "Re: Problem with SANE and SCSI scanner"</a>
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<li> <b>Maybe in reply to:</b> <a href="0234.html">Cyril Y. Nickonorov: "Umax 1220S problem fixed"</a>
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<!-- nextthread="start" -->
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<li> <b>Next in thread:</b> <a href="0241.html">Cyril Y. Nickonorov: "Re: Umax 1220S problem fixed"</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>> "Cyril Y. Nickonorov" wrote:</i><br>
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<i>> </i><br>
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<i>> > Hello and thanks to all who answered me.</i><br>
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<i>> ></i><br>
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<i>> > I just found why my scanner refused to do it's job. The problem was buffer size</i><br>
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<i>> > value in</i><br>
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<i>> > /usr/include/scsi/sg.h file. I've put there incorrect value and it causes sane</i><br>
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<i>> > to</i><br>
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<i>> > print "out of memory" error in log file.</i><br>
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<i>> ></i><br>
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<i>> > Now everything works just ok. :)</i><br>
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<i>> ></i><br>
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<i>> ></i><br>
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<i>> </i><br>
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<i>> ;-)</i><br>
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<i>> </i><br>
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<i>> Fine.</i><br>
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<p>
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SG_BIG_BUFF strikes again! Hopefully sometime in the near<br>
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future people will be able to write:<br>
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<p>
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echo 131072 > /proc/scsi/sg/def_reserved_size<br>
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<p>
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and leave the !@#$%^& sg driver alone. Apart from<br>
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hinting that the sg driver reserve a buffer of that<br>
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size on open(), it will make the same number appear<br>
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in /proc/sys/kernel/sg-big-buff which will keep SANE<br>
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happy. [Unfortunately the latter action only takes<br>
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place when sg is built into the kernel, as has always<br>
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been the case.]<br>
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<p>
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Cyril was using the original sg driver (assuming he was<br>
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using a stock RH6.0 2.2.5-15 kernel). That driver is a<br>
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lot more sensitive to miscues with SG_BIG_BUFF.<br>
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<p>
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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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</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="0240.html">Manuel Panea: "Re: Problem with SANE and SCSI scanner"</a>
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<li> <b>Previous message:</b> <a href="0238.html">Laura DeWitt: "Re: Problem with SANE and SCSI scanner"</a>
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<li> <b>Maybe in reply to:</b> <a href="0234.html">Cyril Y. Nickonorov: "Umax 1220S problem fixed"</a>
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<!-- nextthread="start" -->
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<li> <b>Next in thread:</b> <a href="0241.html">Cyril Y. Nickonorov: "Re: Umax 1220S problem fixed"</a>
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<!-- reply="end" -->
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</ul>
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