>From sane-devel-owner@mostang.com Wed Jul 18 19:32:13 2001
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Date: Thu, 19 Jul 2001 12:50:35 +1000
From: Mick Barry <mick@objects.com.au>
Organization: http://www.objects.com.au
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To: sane-devel@mostang.com
Subject: Re: "Epson and SANE/XSANE problem
References: <3B4B1CE0.E4AA1F2@wanadoo.fr> <20010718215306.A19770@khk.net>
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Karl,
Would appreciate if you could have a play.
Not sure on the interaction involved with an xsane preview, but the
problems I was experiencing was trying to send a cancel request, while a
scan was in progress.
mick
Karl Heinz Kremer wrote:
> Hmmm... All I know is that it worked for me yesterday. I did
> cancel a preview after I realized that I wanted a B/W scan
> instead of a color scan, so I did a "Cancel Preview". This
> was with an Expression1680 connected via USB.
>
> It is possible that depending on the right or wrong moment of
> hitting the button the problem either shows up or not...
>
> I'll do some experimenting over the weekend.
>
> Karl Heinz
>
> On Tue, Jul 10, 2001 at 05:18:56PM +0200, Jean-Luc Coulon wrote:
>
>> Hi,
>>
>> I've remarked this problem when using the preview:
>>
>> If I click on "Acquire preview" then, while running, "cancel preview"
>> I get the following message :
>> "Backends sends more image data that it defined in parameters"
>>
>> Then, if I click again on "Acquire preview", I get the message :
>> "Failed to start scanner: Invalid argument"
>>
>> I cannot close xsane with the [X] button, I've to kill the task from the
>> window manager. At this point, xsane is eating most of the cpu ; Only a
>> "kill -s 15" is able to kill the task.
>>
>> Then if I start xsane again, it stay in the state "scanning for
>> devices".
>>
>> After a while, I get:
>> usb_control/bulk_msg: timeout
>> scanner.c: write_scanner: NAK received.
>>
>> To be able to have the system to work again, I've to do a power off/on
>> of
>> the scanner. Sometimes, I get:
>> "scanner.c: close_scanner(0): invalid scn_minor"
>>
>> system is :
>> linux 2.2.20pre (the same occurs with 2.2.19 or 2.4.6-ac).
>> sane-backends-1.0.5
>> xsane-0.78
>> The scanner is an Epson Perfection 1640SU Photo.
>>
>> ----------
>> Regards
>> Jean-Luc
>>
>>
>> --
>> Source code, list archive, and docs: http://www.mostang.com/sane/
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