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74 wiersze
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<!-- received="Fri May 15 11:43:07 1998 PDT" -->
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<!-- sent="Fri, 15 May 1998 14:42:23 -0400 (EDT)" -->
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<!-- name="Matto Marjanovic" -->
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<!-- email="maddog@mir.com" -->
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<!-- subject="Re: Using NET backend" -->
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<!-- id="m0yaPR1-000J34C@yoo-hoo.ai.mit.edu" -->
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<!-- inreplyto="Using NET backend" -->
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<title>sane-devel: Re: Using NET backend</title>
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<h1>Re: Using NET backend</h1>
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<b>Matto Marjanovic</b> (<a href="mailto:maddog@mir.com"><i>maddog@mir.com</i></a>)<br>
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<i>Fri, 15 May 1998 14:42:23 -0400 (EDT)</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#183">[ date ]</a><a href="index.html#183">[ thread ]</a><a href="subject.html#183">[ subject ]</a><a href="author.html#183">[ author ]</a>
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<li> <b>Next message:</b> <a href="0184.html">Brian Schau: "Re: Unresolved symbol ..."</a>
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<li> <b>Previous message:</b> <a href="0182.html">Matto Marjanovic: "Re: Unresolved symbol ..."</a>
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<li> <b>Maybe in reply to:</b> <a href="0172.html">Jeff Freedman: "Using NET backend"</a>
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<!-- nextthread="start" -->
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<li> <b>Next in thread:</b> <a href="0185.html">Jeff Freedman: "Re: Using NET backend"</a>
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<!-- reply="end" -->
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</ul>
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<!-- body="start" -->
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Date: Thu, 14 May 1998 22:58:55 -0700<br>
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From: David Mosberger-Tang <<a href="mailto:David.Mosberger@acm.org">David.Mosberger@acm.org</a>><br>
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<p>
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<i> >>>>> On Thu, 14 May 1998 09:00:16 -0700, Jeff Freedman <<a href="mailto:jsf@hevanet.com">jsf@hevanet.com</a>> said:</i><br>
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<p>
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Jeff> I'm trying out the "net" backend of the .72 release with a<br>
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Jeff> Microtek E3, Adaptec 2940, and Redhat Linux 5.0. It starts to<br>
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Jeff> work (in the "Preview" dialog of xscanimage); but after what<br>
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Jeff> seems like one pass, xscanimage freezes up. From then on, the<br>
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Jeff> scanner is unusable until I reboot. If I try "scanimage -L",<br>
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Jeff> scanimage just hangs until I kill it.<br>
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<p>
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Jeff> Scanimage works fine if I use the Microtek backend directly.<br>
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<p>
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...<br>
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I'm not saying this is necessarily a bug in the Microtek backend, but<br>
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just because it works with scanimage doesn't prove that it's a bug in<br>
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the net backend or in saned either. Maybe you can try to use<br>
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SANE_DEBUG_NET=128 on the client side and/or "saned -d 128" on the<br>
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server side to try to track the problem down?<br>
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<p>
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<p>
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Heh, I've never actually tried 'saned' myself. I'll give it a shot over<br>
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the weekend, and see if I can find/fix any bugs.<br>
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<p>
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As far as resetting things after a hang: I've noticed that typically, when<br>
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I do something that hangs the scanner, often the scanner has barfed on some<br>
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command and reset itself, leaving another scsi command hanging off the bus.<br>
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If I wait some unreasonably long time (~5-10 minutes), the aha152x driver<br>
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will time-out and scrap the hanging command, and then I'm free to go and<br>
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do it again. Maybe the driver for your 2940 will do the same.<br>
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<p>
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-matt m.<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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To unsubscribe: echo unsubscribe sane-devel | mail <a href="mailto:majordomo@mostang.com">majordomo@mostang.com</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="0184.html">Brian Schau: "Re: Unresolved symbol ..."</a>
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<li> <b>Previous message:</b> <a href="0182.html">Matto Marjanovic: "Re: Unresolved symbol ..."</a>
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<li> <b>Maybe in reply to:</b> <a href="0172.html">Jeff Freedman: "Using NET backend"</a>
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<!-- nextthread="start" -->
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<li> <b>Next in thread:</b> <a href="0185.html">Jeff Freedman: "Re: Using NET backend"</a>
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<!-- reply="end" -->
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</ul>
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