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<H1>Re: snapscan and aic7xxx driver don't work together</H1>
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<STRONG>From:</STRONG> Steve Underwood (<A HREF="mailto:steveu@coppice.org?Subject=Re:%20snapscan%20and%20aic7xxx%20driver%20don't%20work%20together&In-Reply-To=&lt;3B3895D4.2B51B6E1@coppice.org&gt;"><EM>steveu@coppice.org</EM></A>)<BR>
<STRONG>Date:</STRONG> Tue Jun 26 2001 - 07:01:56 PDT
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Hi,
<BR>
<P>Am I missing something, or do you fail to say which version of Linux you
<BR>
are running? With the aic7xxx driver in 2.2.14, 2.2.16, 2.2.18 and
<BR>
2.2.19 (the ones I have used in the past few months) the snapscan
<BR>
backend seems to work OK. There seem to be a lot of questions and
<BR>
answers about the aic7xxx driver for 2.4.X on the kernel mailing list,
<BR>
but I haven't followed what the issues are.
<BR>
<P>Regards,
<BR>
Steve
<BR>
<P>Ben Stanley wrote:
<BR>
<EM>&gt;
</EM><BR>
<EM>&gt; Hi,
</EM><BR>
<EM>&gt;
</EM><BR>
<EM>&gt; I recently changed SCSI card from an Adaptec aha152x based card to
</EM><BR>
<EM>&gt;
</EM><BR>
<EM>&gt; SCSI storage controller: Adaptec AHA-7850 (rev 1).
</EM><BR>
<EM>&gt;
</EM><BR>
<EM>&gt; using the aic7xxx driver. Unfortunately, my Acer Prisa 620s (snapscan
</EM><BR>
<EM>&gt; backend) does not work with this scsi card, while it worked acceptably
</EM><BR>
<EM>&gt; with the old one.
</EM><BR>
<EM>&gt;
</EM><BR>
<EM>&gt; Using aic7xxx driver and sane-backends-CVS-2001-06-17, I see in the log file
</EM><BR>
<EM>&gt;
</EM><BR>
<EM>&gt; when I load the aic7xxx driver:
</EM><BR>
<EM>&gt; Jun 26 11:37:20 dragon kernel: PCI: Found IRQ 9 for device 00:0c.0
</EM><BR>
<EM>&gt; Jun 26 11:37:20 dragon kernel: IRQ routing conflict in pirq table for
</EM><BR>
<EM>&gt; device 00:0c.0
</EM><BR>
<EM>&gt; Jun 26 11:37:20 dragon kernel: scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI
</EM><BR>
<EM>&gt; HBA DRIVER, Rev 6.1.5
</EM><BR>
<EM>&gt; Jun 26 11:37:20 dragon kernel: &lt;Adaptec aic7850 SCSI adapter&gt;
</EM><BR>
<EM>&gt; Jun 26 11:37:20 dragon kernel: aic7850: Single Channel A, SCSI
</EM><BR>
<EM>&gt; Id=7, 3/255 SCBs
</EM><BR>
<EM>&gt; Jun 26 11:37:20 dragon kernel:
</EM><BR>
<EM>&gt; Jun 26 11:37:20 dragon kernel: (scsi0:A:2:0): refuses synchronous
</EM><BR>
<EM>&gt; negotiation. Using asynchronous transfers
</EM><BR>
<EM>&gt; Jun 26 11:37:20 dragon kernel: Vendor: Color Model:
</EM><BR>
<EM>&gt; FlatbedScanner_9 Rev: 0117
</EM><BR>
<EM>&gt; Jun 26 11:37:20 dragon kernel: Type: Scanner
</EM><BR>
<EM>&gt; ANSI SCSI revision: 02
</EM><BR>
<EM>&gt;
</EM><BR>
<EM>&gt; When I try to use XSane 0.78 to talk to the scanner, I get an IO error,
</EM><BR>
<EM>&gt; and a message in the log about Jun 26 11:37:58 dragon kernel: Detected
</EM><BR>
<EM>&gt; scsi generic sg0 at scsi0, channel 0, id 2, lun 0, type 6
</EM><BR>
<EM>&gt; Jun 26 11:37:58 dragon kernel: (scsi0:A:2:0): refuses synchronous
</EM><BR>
<EM>&gt; negotiation. Using asynchronous transfers
</EM><BR>
<EM>&gt; Jun 26 11:37:58 dragon last message repeated 22 times
</EM><BR>
<EM>&gt; Jun 26 11:37:59 dragon saned[1198]: access by
</EM><BR>
<EM>&gt; <A HREF="mailto:saned-user@dragon.stanleys.uow.edu.au?Subject=Re:%20snapscan%20and%20aic7xxx%20driver%20don't%20work%20together&In-Reply-To=&lt;3B3895D4.2B51B6E1@coppice.org&gt;">saned-user@dragon.stanleys.uow.edu.au</A> accepted
</EM><BR>
<EM>&gt; Jun 26 11:37:59 dragon kernel: (scsi0:A:2:0): refuses synchronous
</EM><BR>
<EM>&gt; negotiation. Using asynchronous transfers
</EM><BR>
<EM>&gt; Jun 26 11:38:19 dragon last message repeated 8 times
</EM><BR>
<EM>&gt;
</EM><BR>
<EM>&gt; Now, this driver reports that my iomega zip drive also doesn't support
</EM><BR>
<EM>&gt; synchronous negotiation, but it works with the other SCSI card. I
</EM><BR>
<EM>&gt; suspect the fault may like with the SCSI card driver...
</EM><BR>
<EM>&gt;
</EM><BR>
<EM>&gt; However, I still wonder if sane supports asynchronous transfers?
</EM><BR>
<EM>&gt;
</EM><BR>
<EM>&gt; If you reckon this would be a kernel problem, do you have any
</EM><BR>
<EM>&gt; recommendations as to where to report it?
</EM><BR>
<EM>&gt;
</EM><BR>
<EM>&gt; Thanks,
</EM><BR>
<EM>&gt; Ben.
</EM><BR>
<EM>&gt;
</EM><BR>
<EM>&gt; --
</EM><BR>
<EM>&gt; Source code, list archive, and docs: <A HREF="http://www.mostang.com/sane/">http://www.mostang.com/sane/</A>
</EM><BR>
<EM>&gt; To unsubscribe: echo unsubscribe sane-devel | mail <A HREF="mailto:majordomo@mostang.com?Subject=Re:%20snapscan%20and%20aic7xxx%20driver%20don't%20work%20together&In-Reply-To=&lt;3B3895D4.2B51B6E1@coppice.org&gt;">majordomo@mostang.com</A>
</EM><BR>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0287.html">Ben Stanley: "Re: snapscan and aic7xxx driver don't work together"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0287.html">Ben Stanley: "Re: snapscan and aic7xxx driver don't work together"</A>
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