[sane-devel] UMAX Astra 2200 USB weirdness

[ope]

Let me know if you need more detailed logs, system
info or want to use my setup to test some things out. 
I am happy to pitch in if it will help.

--- Oliver Rauch <oliver.rauch@rauch-domain.de> wrote:
> 
> I suggest at first you disable the autmatic scanarea
> selection
> in the preferences of xsane.
> 
> I will take a look at it.
> 
> Oliver
> 
> On Tuesday 24 June 2003 09:23, ope wrote:
> > I have found another 'behavior' that might shed
> some
> > light on the problems that I am having.  When I do
> a
> > preview the interface auto selects a large square
> area
> > covering most of the scanner bed which I then
> > drag/resize to the actual image I am scanning
> (nothing
> > new here).  What I have noticed with absolute
> > reliability is this:
> >
> > 1.  If, after the preview, I can see the entire
> > outline of the selection box then the subsequent
> scan
> > will work.
> >
> > 2.  However, If I can't see the entire selection
> box
> > then the scan will not work.  What I mean by this
> is
> > that often times the bottom line of the selection
> box
> > is 'off' the window such that I can't see any
> bottom
> > line for selecting the image area only.  If I put
> the
> > mouse on the bottom of the frame and drag up I can
> > select the scanning area.
> >
> > Does my explaination make sense?  I can send
> screen
> > shots if it does not.
> >
> > It is as if xsane thinks that the scanner bed is
> > longer than it is.  It oddly explains why the
> scanner
> > lamp has completed the scan and returned but the
> > software seems to be waiting for more data and is
> > getting bulk_msg: timeout messages.
> >
> > Does anyone have any ideas?
> >
> > --- ope <ope557@yahoo.com> wrote:
> > > What I see in messages are a lot of messages
> saying:
> > > kernel: usb_control/bulk_msg: timeout
> > > last message repeated 2 times
> > > last message repeated 3 times
> > > ...
> > >
> > > and after 10 minutes or so I will see:
> > > kernel: scanner.c: read_scanner(0): excessive
> NAK's
> > > received
> > >
> > >
> > > --- Oliver Rauch <oliver.rauch@rauch-domain.de>
> > >
> > > wrote:
> > > > On Tuesday 17 June 2003 09:39, ope wrote:
> > > > > I have also noticed another thing that is
> worth
> > > > > mentioning.  At one point when the xsane
> seemed
> > >
> > > to
> > >
> > > > be
> > > >
> > > > > stuck I tried unplugging the scanner from
> the
> > >
> > > USB
> > >
> > > > > port.  I was expecting xsane to fail and
> close
> > > >
> > > > down.
> > > >
> > > > > What actually did happen was that the
> complete
> > > >
> > > > scanned
> > > >
> > > > > image instantly popped up in the viewer and
> > >
> > > xsane
> > >
> > > > was
> > > >
> > > > > running as if nothing has happened.  Just
> for
> > >
> > > fun
> > >
> > > > I
> > > >
> > > > > tried it couple more times and had the same
> > > >
> > > > results
> > > >
> > > > > each time.  It appears to me that that the
> scan
> > >
> > > is
> > >
> > > > > essentially complete at the point that it is
> > > >
> > > > freezing.
> > > >
> > > > This sounds as if there is a problem with the
> USB
> > > > communication.
> > > >
> > > > Do you get any messages about USB problems
> > > > in /var/log/messages ?
> > > >
> > > > Oliver
> > > >
> _______________________________________________
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> > >
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> -- 
> http://www.xsane.org
> http://www.mostang.com/sane
> http://www.rauch-domain.de
> mailto:Oliver.Rauch@Rauch-Domain.DE
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