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<title>sane-devel: Re: Nikon Coolscan with RedHat 6.0</title>
<h1>Re: Nikon Coolscan with RedHat 6.0</h1>
<b>Andreas</b> (<a href="mailto:andreas.rick@wanadoo.fr"><i>andreas.rick@wanadoo.fr</i></a>)<br>
<i>Wed, 30 Jun 1999 22:15:28 +0200</i>
<p>
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<li> <b>Next message:</b> <a href="0255.html">Dr. Ing. Dieter Jurzitza: "Compiling difficulties"</a>
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<li> <b>Maybe in reply to:</b> <a href="0252.html">Malcolm Wallace: "Nikon Coolscan with RedHat 6.0"</a>
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Malcolm Wallace wrote:<br>
<p>
<i>&gt; Hi everyone,</i><br>
<i>&gt;</i><br>
<i>&gt; I was running my Nikon Coolscan II (LS20) very happily under SANE 0.74</i><br>
<i>&gt; and Slackware 3.4 (kernel 2.0.36) until recently. Due to a hard disk</i><br>
<i>&gt; crash, I had to reinstall everything, and took the opportunity to</i><br>
<i>&gt; upgrade to RedHat 6.0 (kernel 2.2.5-15) which provides SANE 1.0.1.</i><br>
<i>&gt;</i><br>
<i>&gt; Suddenly, my Coolscan no longer works. Here are the symptoms:</i><br>
<i>&gt;</i><br>
<i>&gt; xscanimage starts fine, and I can take a preview of the slide okay.</i><br>
<i>&gt; However, when I click for a full scan, the scanner makes a horrible</i><br>
<i>&gt; rattling noise (immediately) and the machine freezes completely. The</i><br>
<i>&gt; scanner light continues to blink, which usually indicates an error</i><br>
<i>&gt; condition. It looks like a SCSI hang to me - the hard reset button is</i><br>
<i>&gt; the only way to recover.</i><br>
<i>&gt;</i><br>
<i>&gt; Is this likely to be caused by the new SCSI generic (sg) driver? (But</i><br>
<i>&gt; I thought pre-2.2.6 kernels still used the old driver?) Or is it</i><br>
<i>&gt; related to the autofocus problem that people have been reporting with</i><br>
<i>&gt; the newer Coolscan driver for the LS30? (As far as I know, I don't</i><br>
<i>&gt; have those updates, but perhaps I'm mistaken?) Any other ideas?</i><br>
<p>
If the version number in sane/backend/coolscane.desc is below 0.4<br>
you use the original backend, if it is above or equal 0.4.0 you use the<br>
modified<br>
version.<br>
The modified version has not been included into the official sane<br>
distribution yet, so unless you downloaded it from my posting in sane-devel<br>
<p>
you should not have it.<br>
<p>
If you are willing to experiment (as I haven't tested the new backend with<br>
the<br>
LS-20 yet - I don't have one) you may try the new backend<br>
which will allow you to turn autofocussing off.<br>
This doesn't help you a lot as (I suppose) you want sharp images, but<br>
at least we would know whether this is linked to the same problem.<br>
<p>
At least from your description, there seems to be a high probability<br>
that this is the same problem.<br>
<p>
<i>&gt;</i><br>
<i>&gt; I tried checking and unchecking the "prescan" radiobutton, but the</i><br>
<i>&gt; behaviour was the same either way.</i><br>
<i>&gt;</i><br>
<p>
The prescan is not linked to the autofocus.<br>
<p>
<i>&gt;</i><br>
<i>&gt; By the way, I'm using the Adaptec AVA1505I card which came with the</i><br>
<i>&gt; Coolscan, and I recompiled the kernel to include the aha152x driver</i><br>
<i>&gt; (i.e. not as a module), with the correct settings (port=0x340, irq=10)</i><br>
<i>&gt; hard-coded in.</i><br>
<i>&gt;</i><br>
<i>&gt; Regards,</i><br>
<i>&gt; Malcolm</i><br>
<i>&gt;</i><br>
<i>&gt; --</i><br>
<i>&gt; Source code, list archive, and docs: <a href="http://www.mostang.com/sane/">http://www.mostang.com/sane/</a></i><br>
<i>&gt; To unsubscribe: echo unsubscribe sane-devel | mail <a href="mailto:majordomo@mostang.com">majordomo@mostang.com</a></i><br>
<p>
<p>
<pre>
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</pre>
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<p>
<ul>
<!-- next="start" -->
<li> <b>Next message:</b> <a href="0255.html">Dr. Ing. Dieter Jurzitza: "Compiling difficulties"</a>
<li> <b>Previous message:</b> <a href="0253.html">David Fox: "Re: Nikon Coolscan with RedHat 6.0"</a>
<li> <b>Maybe in reply to:</b> <a href="0252.html">Malcolm Wallace: "Nikon Coolscan with RedHat 6.0"</a>
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</ul>