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<H1>Re: System locks during scan.</H1>
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<STRONG>From:</STRONG> abel deuring (<A HREF="mailto:adeuring@gmx.net?Subject=Re:%20System%20locks%20during%20scan.&In-Reply-To=&lt;3A8C2BF6.65A6F97B@gmx.net&gt;"><EM>adeuring@gmx.net</EM></A>)<BR>
<STRONG>Date:</STRONG> Thu Feb 15 2001 - 11:20:22 PST
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&quot;Brian R. Bainter&quot; wrote:
<BR>
<EM>&gt;
</EM><BR>
<EM>&gt; Ok, thanks to Oliver, I can now see both my scanner and my CD drives. I
</EM><BR>
<EM>&gt; now have a problem where when I try to make a scan, it works fine in
</EM><BR>
<EM>&gt; preview, but the whole system locks up when I try to make the actual
</EM><BR>
<EM>&gt; scan. It seems like this is probably a memory issue since the scan
</EM><BR>
<EM>&gt; takes more memory than the preview, but that is just my guess. It does
</EM><BR>
<EM>&gt; seem like I read something somewhere (can't find it now though to save
</EM><BR>
<EM>&gt; me) that I may need to increase the SCSI buffer size. If is the case,
</EM><BR>
<EM>&gt; I'm not sure exactly how to do this. Any help or suggestions as to the
</EM><BR>
<EM>&gt; actual problem (if I am wrong about my analysis) would be appreciated.
</EM><BR>
<P>Brian,
<BR>
<P>You wrote in am earlier mail that you are using an Adaptec ISA card.
<BR>
Some older versions of the aha152x driver had problems with buffer sizes
<BR>
_larger_ than 32 kB, IIRC.
<BR>
<P>For most backends, you can set the SCSI buffer size used by Sane with
<BR>
the environment variable SANE_SG_BUFFERSIZE. For the Mustek, NEC, PIE,
<BR>
Sharp and Umax backends, you need to set a parameter in the respective
<BR>
.conf file.
<BR>
<P>Abel
<BR>
<P><P><P><PRE>
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