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<TITLE>sane-devel: Re: scanimage -L crashes SuSE 6.4</TITLE>
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<META NAME="Author" CONTENT="Douglas Gilbert (dgilbert@interlog.com)">
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<META NAME="Subject" CONTENT="Re: scanimage -L crashes SuSE 6.4">
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<H1>Re: scanimage -L crashes SuSE 6.4</H1>
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<!-- subject="Re: scanimage -L crashes SuSE 6.4" -->
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<STRONG>From:</STRONG> Douglas Gilbert (<A HREF="mailto:dgilbert@interlog.com?Subject=Re:%20scanimage%20-L%20crashes%20SuSE%206.4&In-Reply-To=<38F9EC43.3C8F7B0E@interlog.com>"><EM>dgilbert@interlog.com</EM></A>)<BR>
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<STRONG>Date:</STRONG> Sun Apr 16 2000 - 09:37:23 PDT
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<P>
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<LI><STRONG>Next message:</STRONG> <A HREF="0169.html">Oliver Rauch: "Re: linotype-hell is just that!"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0167.html">Jeanna Fissel: "RE: linotype-hell is just that!"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0120.html">Bernhard Scheffold: "Re: scanimage -L crashes SuSE 6.4"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0171.html">Bernhard Scheffold: "Re: scanimage -L crashes SuSE 6.4"</A>
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<P>
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Bernhard Scheffold wrote:
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<BR>
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<EM>>
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</EM><BR>
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<EM>> On 11-Apr-00 abel deuring wrote:
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</EM><BR>
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<EM>> > Bernhard Scheffold wrote:
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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>> >> I have gotten rid of the crash by going back to sane-1.0.1 :-(
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</EM><BR>
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<EM>> >>
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</EM><BR>
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<EM>> >> So the problem doesn't seem to be in the scsi drivers.
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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>> > There seems to be a complex combination of reasons... Yesterday evening,
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</EM><BR>
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<EM>> > I played a little bit with the aha1542 driver, and it seems that the
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</EM><BR>
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<EM>> > driver detects a corrupted scatter-gather list (== fragmented buffer)
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</EM><BR>
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<EM>> > for the SCSI data. The aha1542 works fine, if the maximum required
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</EM><BR>
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<EM>> > buffer size is 32 kB. As soon as the buffer size is increased to 32769
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</EM><BR>
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<EM>> > bytes, I get the kernel crash,
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</EM><BR>
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<EM>> >
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</EM><BR>
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<EM>> > Therefore, you might try to configure sane-1.0.2 with the option
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</EM><BR>
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<EM>> > --enable-scsibuffersize=32768
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> That gets rid of the crash. Thank you very much! I've only got another problem
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</EM><BR>
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<EM>> with using xsane as a Gimp-plugin: Gimp displays a checkerboard instead of the
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</EM><BR>
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<EM>> scanned image data. :-(
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</EM><BR>
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<P>There is a new version of the linux sg driver (sg 2.1.37) on:
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<BR>
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<A HREF="http://www.torque.net/sg">http://www.torque.net/sg</A>
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<BR>
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<P>that addresses this problem (which is a disagreement between sg and
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<BR>
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the aha1542 driver when command length is 0 and scatter gather is
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<BR>
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being used (i.e. when default size > 32 KB)). It fixed the problem
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<BR>
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on my hardware and perhaps those trying it could report if there
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<BR>
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are any problems.
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<BR>
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<P>Since linux kernel 2.2.15 is imminent, this fix probably won't get
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<BR>
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in until lk 2.2.16 .
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<BR>
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<P>Doug Gilbert
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<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:%20scanimage%20-L%20crashes%20SuSE%206.4&In-Reply-To=<38F9EC43.3C8F7B0E@interlog.com>">majordomo@mostang.com</A>
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</PRE>
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<LI><STRONG>Next message:</STRONG> <A HREF="0169.html">Oliver Rauch: "Re: linotype-hell is just that!"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0120.html">Bernhard Scheffold: "Re: scanimage -L crashes SuSE 6.4"</A>
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This archive was generated by <A HREF="http://www.hypermail.org/">hypermail 2b29</A>
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: <EM>Sun Apr 16 2000 - 09:35:59 PDT</EM>
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