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<H1>Re: Scanmaker 636</H1>
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<STRONG>From:</STRONG> abel deuring (<A HREF="mailto:a.deuring@satzbau-gmbh.de?Subject=Re:%20Scanmaker%20636&In-Reply-To=&lt;3A707FA1.CAF63E36@satzbau-gmbh.de&gt;"><EM>a.deuring@satzbau-gmbh.de</EM></A>)<BR>
<STRONG>Date:</STRONG> Thu Jan 25 2001 - 11:33:53 PST
<P>
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Nils Gundelach wrote:
<BR>
<EM>&gt;
</EM><BR>
<EM>&gt; Hello,
</EM><BR>
<EM>&gt;
</EM><BR>
<EM>&gt; I don't know if this is the right place to post, forgive me if it's not :)
</EM><BR>
<EM>&gt;
</EM><BR>
<EM>&gt; I run a Microtek Scanmaker 636 together with a Tekram dc-395.
</EM><BR>
<EM>&gt;
</EM><BR>
<EM>&gt; dc-395 -&gt; scanner(TERM)
</EM><BR>
<EM>&gt;
</EM><BR>
<EM>&gt; If i don't disable &quot;Allow disconnect&quot; in the scsi bios i get the following
</EM><BR>
<EM>&gt; error message:
</EM><BR>
<P>Niels,
<BR>
<P>Some scanners don't support disconnect. I don't know if this is the case
<BR>
for the Scanmaker 636.
<BR>
<P><EM>&gt;
</EM><BR>
<EM>&gt; Jan 22 03:21:13 darkstar kernel: scsi : aborting command due to timeout : p=
</EM><BR>
<EM>&gt; id
</EM><BR>
<EM>&gt; 0, scsi1, channel 0, id 6, lun 0 Read (10) 00 83 00 60 00 00 00 00 00
</EM><BR>
<EM>&gt; Jan 22 03:21:13 darkstar kernel: DC395x_abort: pid=3D0, target=3D06-0
</EM><BR>
<EM>&gt; Jan 22 03:21:13 darkstar kernel: DC395x: abort: Lower SyncFreq to for dev
</EM><BR>
<EM>&gt; 06-0!
</EM><BR>
<EM>&gt; Jan 22 03:21:13 darkstar kernel: pid 0(28666):28 00..(6-0) Start 00 60 MI=
</EM><BR>
<EM>&gt; P1
</EM><BR>
<EM>&gt; #MIP0(02).MIP1 #MIP0(04).DISC +abort (SN)!*
</EM><BR>
<EM>&gt; Jan 22 03:21:13 darkstar kernel: TmpSRB:
</EM><BR>
<EM>&gt; Jan 22 03:21:13 darkstar kernel: DC395x: Aborted pid 0 with status 0
</EM><BR>
<EM>&gt; Jan 22 03:21:14 darkstar kernel: DC395x: Disc: SRB_ABORT_SENT!
</EM><BR>
<EM>&gt; Jan 22 03:21:14 darkstar kernel: DC395x_DoingSRB_Done: pids (G)pid
</EM><BR>
<EM>&gt; 0(28666):28 00..(6-0) Start 00 60 MIP1 #MIP0(02).MIP1 #MIP0(04).DISC +abort
</EM><BR>
<EM>&gt; (SN)!RSel ##MOP1#(06 )DISC Reset(29749):00050000*
</EM><BR>
<EM>&gt;
</EM><BR>
<EM>&gt; The scanner doesn't allow synchronous scsi, so i set the asynchron option in
</EM><BR>
<EM>&gt; my scsi bios, no success :/
</EM><BR>
<EM>&gt; I tried this also with my adaptec 7890 (Asus P2B-s) and result was the same.
</EM><BR>
<EM>&gt; If i leave this option enabled, the scanner scans 1/4 of a page and then
</EM><BR>
<EM>&gt; stops. The image is full off red, green, blue lines... (the same with 7890)
</EM><BR>
<EM>&gt;
</EM><BR>
<EM>&gt; I thought the scanner is broken, but i tested the scanner by a friend and it
</EM><BR>
<EM>&gt; works fine. He also uses Debian (woody) with kernel 2.4.0.
</EM><BR>
<P>If you are using the 2.4.0 kernel, the time out might related to the too
<BR>
short time out I put into sanei_scsi.c for the SG3 interface.
<BR>
<P>Near line 1900, you'll find:
<BR>
<P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;req-&gt;sgdata.sg3.hdr.timeout = 10000;
<BR>
<P>Try to change this to
<BR>
<P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;req-&gt;sgdata.sg3.hdr.timeout = 1000 * 60 *
<BR>
10;
<BR>
<P>This increases the timeout for a SCSI command from 10 seconds to 10
<BR>
minutes.
<BR>
<P><P>Abel
<BR>
<P><PRE>
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