sane-project-website/old-archive/1997-08/0204.html

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<title>sane-devel: Re: HP 4P problems</title>
<h1>Re: HP 4P problems</h1>
<b>Petri Lehtonen</b> (<a href="mailto:onaias@iki.fi"><i>onaias@iki.fi</i></a>)<br>
<i>Fri, 19 Sep 1997 20:16:00 +0300 (EET DST)</i>
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<i>&gt;&gt; &gt;Is your link /dev/scanner to /dev/sg? correct set ?</i><br>
<i>&gt;&gt; </i><br>
<i>&gt;&gt; Yes, and I've even tried to use all the /dev/sg* because I was desperate.</i><br>
<i>&gt;</i><br>
<i>&gt;Really, the "scsi_open: no such device or address" means otherwise. </i><br>
<p>
Actually now that I double checked it was linked from as the ID of the scanner<br>
is 5 the device is /dev/sgf. But using that device gives me still the same <br>
error.<br>
<p>
Could the device files have incorrect major number, mine is as follows.<br>
<p>
crw-rw---- 1 root scanner 21, 5 Feb 12 1996 /dev/sgf<br>
<p>
SCSI-HOWTO says that generic SCSI devices have major number 21. I am not sure if<br>
scanners are generic SCSI devices, as I couldn't find anything on them from the <br>
SCSI-HOWTO.<br>
<p>
Now I noticed running scanimage on virtual terminal that there was a message say<br>
ing:<br>
<p>
Detected scsi general sga at scsi0, channel 0, id 5, lun 0<br>
<p>
This didn't show up when I run it on xterm, and still doesn't. I wonder why it<br>
says sga and id5 shouldn't sga be id 0 and id5 be sgf. This seems strange to me.<br>
<p>
<pre>
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<li> <b>Next message:</b> <a href="0205.html">Shawn T. Rutledge: "Re: Q: HP IICX"</a>
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