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<TITLE>sane-devel: Re: No /dev/sg*, no scanner found, with Linux 2.4.1</TITLE>
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<META NAME="Author" CONTENT="Damon McGraw (damon@watchland.org)">
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<META NAME="Subject" CONTENT="Re: No /dev/sg*, no scanner found, with Linux 2.4.1">
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<H1>Re: No /dev/sg*, no scanner found, with Linux 2.4.1</H1>
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<!-- received="Thu Feb 15 18:52:06 2001" -->
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<!-- isoreceived="20010216025206" -->
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<!-- sent="Thu, 15 Feb 2001 22:01:22 -0500" -->
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<!-- name="Damon McGraw" -->
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<!-- subject="Re: No /dev/sg*, no scanner found, with Linux 2.4.1" -->
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<STRONG>From:</STRONG> Damon McGraw (<A HREF="mailto:damon@watchland.org?Subject=Re:%20No%20/dev/sg*,%20no%20scanner%20found,%20with%20Linux%202.4.1&In-Reply-To=<20010215220122.A23118@watchland.org>"><EM>damon@watchland.org</EM></A>)<BR>
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<STRONG>Date:</STRONG> Thu Feb 15 2001 - 19:01:22 PST
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<P>
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<LI><STRONG>Next message:</STRONG> <A HREF="0157.html">Mick Barry: "Resetting scan are options tlx,tly,brx,bry"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0155.html">David M. Anderson: "No /dev/sg*, no scanner found, with Linux 2.4.1"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0155.html">David M. Anderson: "No /dev/sg*, no scanner found, with Linux 2.4.1"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0168.html">David M. Anderson: "Re: No /dev/sg*, no scanner found, with Linux 2.4.1"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0158.html">abel deuring: "Re: No /dev/sg*, no scanner found, with Linux 2.4.1"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0168.html">David M. Anderson: "Re: No /dev/sg*, no scanner found, with Linux 2.4.1"</A>
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<HR NOSHADE><P>
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<P>
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You need to create the SCSI generic nodes in /dev.
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<BR>
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try:
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<BR>
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cd /dev
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<BR>
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MAKEDEV sg
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<BR>
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<P>hope that helps,
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<BR>
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Damon
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<BR>
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<P>++ 15/02/01 17:47 -0800 - David M. Anderson:
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<BR>
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<EM>> SANE doesn't seem to find my scanner, but I don't think the problem is
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</EM><BR>
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<EM>> really with SANE. Nevertheless, this seems to be a good place to ask
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</EM><BR>
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<EM>> about scanners and Linux. Perhaps someone can help me.
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> Running Debian GNU/Linux 2.2, with a compiled 2.4.1 kernel. Among other
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</EM><BR>
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<EM>> things, SCSI generic support is enabled.
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> Possibly relevant portions of output from "dmesg":
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</EM><BR>
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<EM>> CPU: Intel Pentium II (Deschutes) stepping 02
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</EM><BR>
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<EM>> Board Vendor: ASUSTeK Computer INC..
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</EM><BR>
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<EM>> Board Name: P2L97-S.
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</EM><BR>
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<EM>> Board Version: REV 1.xx.
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</EM><BR>
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<EM>> SCSI subsystem driver Revision: 1.00
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</EM><BR>
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<EM>> PCI: Found IRQ 9 for device 00:06.0
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</EM><BR>
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<EM>> PCI: The same IRQ used for device 00:04.2
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</EM><BR>
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<EM>> (scsi0) <Adaptec AIC-7880 Ultra SCSI host adapter> found at PCI 0/6/0
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</EM><BR>
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<EM>> (scsi0) Wide Channel, SCSI ID=7, 16/255 SCBs
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</EM><BR>
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<EM>> (scsi0) Downloading sequencer code... 422 instructions downloaded
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</EM><BR>
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<EM>> scsi0 : Adaptec AHA274x/284x/294x (EISA/VLB/PCI-Fast SCSI) 5.2.1/5.2.0
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</EM><BR>
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<EM>> <Adaptec AIC-7880 Ultra SCSI host adapter>
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</EM><BR>
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<EM>> Vendor: UMAX Model: Astra 1200S Rev: V2.6
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</EM><BR>
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<EM>> Type: Scanner ANSI SCSI revision: 02
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</EM><BR>
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<EM>> Detected scsi generic sg3 at scsi0, channel 0, id 6, lun 0, type 6
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> /proc/scsi/scsi includes:
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</EM><BR>
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<EM>> Host: scsi0 Channel: 00 Id: 06 Lun: 00
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</EM><BR>
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<EM>> Vendor: UMAX Model: Astra 1200S Rev: V2.6
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</EM><BR>
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<EM>> Type: Scanner ANSI SCSI revision: 02
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> /proc/scsi/sg/device_hdr:
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</EM><BR>
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<EM>> host chan id lun type bopens qdepth busy
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> /proc/scsi/sg/devices includes:
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</EM><BR>
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<EM>> 0 0 6 0 6 0 3 0
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> (I also three other SCSI devices, a Zip drive, Jaz drive, and CD-R, on
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</EM><BR>
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<EM>> IDs 3, 4, and 5, but they seem to be working fine.)
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> So it seems clear that the UMAX scanner is detected by the kernel, and
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</EM><BR>
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<EM>> classified correctly as a scanner, sg3 in particular.
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> /etc/sane.d/umax.conf:
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</EM><BR>
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<EM>> scsi UMAX * Scanner
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</EM><BR>
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<EM>> scsi LinoHell Office
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</EM><BR>
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<EM>> scsi LinoHell Office2
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</EM><BR>
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<EM>> scsi LinoHell SAPHIR2
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</EM><BR>
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<EM>> scsi Nikon AX-210
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</EM><BR>
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<EM>> /dev/scanner
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> /usr/lib/sane contains libsane-umax.so.1.0.1 (libsane-umax.so.1 links to
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</EM><BR>
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<EM>> this).
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> On the other hand:
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> $ ls /dev/sg*
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</EM><BR>
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<EM>> ls: /dev/sg*: No such file or directory
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> $ sudo find-scanner -v
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</EM><BR>
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<EM>> find-scanner: searching for scanners:
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</EM><BR>
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<EM>> find-scanner: checking /dev/scanner... failed to open
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</EM><BR>
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<EM>> find-scanner: checking /dev/sg0... failed to open
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</EM><BR>
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<EM>> find-scanner: checking /dev/sg1... failed to open
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</EM><BR>
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<EM>> find-scanner: checking /dev/sg2... failed to open
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</EM><BR>
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<EM>> find-scanner: checking /dev/sg3... failed to open
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</EM><BR>
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<EM>> find-scanner: checking /dev/sg4... failed to open
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</EM><BR>
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<EM>> ...
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> $ scanimage --list-devices
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> I am obviously missing something. Does anyone know what it is?
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> Thanks,
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</EM><BR>
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<EM>> Dave
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> --
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</EM><BR>
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<EM>> Source code, list archive, and docs: <A HREF="http://www.mostang.com/sane/">http://www.mostang.com/sane/</A>
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</EM><BR>
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<EM>> To unsubscribe: echo unsubscribe sane-devel | mail <A HREF="mailto:majordomo@mostang.com?Subject=Re:%20No%20/dev/sg*,%20no%20scanner%20found,%20with%20Linux%202.4.1&In-Reply-To=<20010215220122.A23118@watchland.org>">majordomo@mostang.com</A>
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</EM><BR>
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<P><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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To unsubscribe: echo unsubscribe sane-devel | mail <A HREF="mailto:majordomo@mostang.com?Subject=Re:%20No%20/dev/sg*,%20no%20scanner%20found,%20with%20Linux%202.4.1&In-Reply-To=<20010215220122.A23118@watchland.org>">majordomo@mostang.com</A>
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</PRE>
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<LI><STRONG>Next message:</STRONG> <A HREF="0157.html">Mick Barry: "Resetting scan are options tlx,tly,brx,bry"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0155.html">David M. Anderson: "No /dev/sg*, no scanner found, with Linux 2.4.1"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0155.html">David M. Anderson: "No /dev/sg*, no scanner found, with Linux 2.4.1"</A>
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<!-- nextthread="start" -->
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0168.html">David M. Anderson: "Re: No /dev/sg*, no scanner found, with Linux 2.4.1"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0158.html">abel deuring: "Re: No /dev/sg*, no scanner found, with Linux 2.4.1"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0168.html">David M. Anderson: "Re: No /dev/sg*, no scanner found, with Linux 2.4.1"</A>
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<EM>
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This archive was generated by <A HREF="http://www.hypermail.org/">hypermail 2b29</A>
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: <EM>Thu Feb 15 2001 - 18:54:36 PST</EM>
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