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116 wiersze
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<!-- subject="mustek aha1520B problems" -->
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<title>sane-devel: mustek aha1520B problems</title>
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<h1>mustek aha1520B problems</h1>
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<b>aanderson =</b> (<a href="mailto:aanderson3@uswest.net"><i>aanderson3@uswest.net</i></a>)<br>
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<i>Fri, 2 Jul 1999 17:53:42 +0000 (Local time zone must be set--see zic manual pageFri Jul 2 10:54:35 1999 PDT</i>
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<p>
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<ul>
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<li> <b>Next message:</b> <a href="0007.html">Ingo Wilken: "dll backend: aliased & hidden device names"</a>
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<li> <b>Previous message:</b> <a href="0005.html">Brian B.: "Re: Artec AT6 yet again"</a>
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<li> <b>Next in thread:</b> <a href="0009.html">Douglas Gilbert: "Re: mustek aha1520B problems"</a>
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<li> <b>Reply:</b> <a href="0009.html">Douglas Gilbert: "Re: mustek aha1520B problems"</a>
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<li> <b>Reply:</b> <a href="0010.html">aanderson =: "Re: mustek aha1520B problems"</a>
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<li> <b>Reply:</b> <a href="0038.html">Douglas Gilbert: "Re: mustek aha1520B problems"</a>
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</ul>
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I have been using SANE (1.0.1) to run a MUSTEK MFS-6000CX<br>
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from a Linux system with an Adaptek 1520B/1522B.<br>
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<p>
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xscanimage has worked nominally on kernels 2.0.33,<br>
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2.0.36,(W/WO bigger buffers),2.0.37(W/WO bigger buffers),<br>
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and 2.2.10.<br>
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<p>
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There are some disquieting symptoms, however, which I<br>
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don't know whether to attribute to SANE, sg, the SCSI card,<br>
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or the scanner, and on which perhaps someone can shed some light.<br>
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<p>
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Symptoms:<br>
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<p>
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in all configurations, interrupts seem to be disabled, or the system<br>
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seems to hang, for inordinate periods (several seconds) during a scan,<br>
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especially when the scan is first initiated, but also during each scan<br>
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segment.<br>
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<p>
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At least some configurations of the system can be made to crash <br>
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by trying other activity during a scan. I have been reluctant to gather<br>
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too many statistics about just what activies cause system crashes however,<br>
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but small scans seem typically to complete OK. <br>
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<p>
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Running xtops during a scan shows cpu usage 99%idle after starting<br>
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xscanimage, but before a scan is initiated, at 75% system, 25% user<br>
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during the scan, and continuing at 75/25 even after the scan has completed,<br>
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only returning to 99% idle when xscanimage is exited.<br>
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<p>
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<p>
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Is this behavior normal for SANE, or this card or scanner, or do I just<br>
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have something configured wrong.<br>
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<p>
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The scanner is the only device on the SCSI bus, which is (at least<br>
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nominally) properly terminated, and which has worked fine for DISKS and<br>
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CDROMS.<br>
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<p>
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The aha152x driver for the SCSI card is slightly ersatz on 2.2.10,<br>
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however, since that version doesn't recognize the 1520B/1522B, I added<br>
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the recognition entry from the 2.0.37 driver to the 2.2.10 driver, which<br>
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seems to make it work fine otherwise.<br>
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<p>
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The card is configured with aha152x=0x340,11,7,1 in LILO, with sg, etc. as <br>
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modules. Behavior was similar with aha152x as a module. <br>
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<p>
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I think this card has FIFO polled data transfer, which if properly implemented<br>
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should avoid the symptoms noted above, so I suspect the driver/card interface.<br>
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<p>
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The configuration file mustek.conf is:<br>
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<p>
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option strip-height 1<br>
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scsi MUSTEK<br>
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<p>
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/proc/scsi/scsi is:<br>
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<p>
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Attached devices: <br>
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Host: scsi0 Channel: 00 Id: 05 Lun: 00<br>
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Vendor: MUSTEK Model: MFS-06000CX Rev: 2.20<br>
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Type: Scanner ANSI SCSI revision: ffffffff<br>
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<p>
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If anyone has any comments on this, I would appreciate them,<br>
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<p>
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Thanks in advance<br>
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<p>
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<p>
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From Al Anderson <br>
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_______________________________________________________<br>
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- Anything NOT worth doing..is NOT worth doing well! AA<br>
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_______________________________________________________<br>
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<p>
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<p>
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<p>
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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="0007.html">Ingo Wilken: "dll backend: aliased & hidden device names"</a>
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<li> <b>Previous message:</b> <a href="0005.html">Brian B.: "Re: Artec AT6 yet again"</a>
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<!-- nextthread="start" -->
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<li> <b>Next in thread:</b> <a href="0009.html">Douglas Gilbert: "Re: mustek aha1520B problems"</a>
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<li> <b>Reply:</b> <a href="0009.html">Douglas Gilbert: "Re: mustek aha1520B problems"</a>
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<li> <b>Reply:</b> <a href="0010.html">aanderson =: "Re: mustek aha1520B problems"</a>
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<li> <b>Reply:</b> <a href="0038.html">Douglas Gilbert: "Re: mustek aha1520B problems"</a>
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<!-- reply="end" -->
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</ul>
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