Re: sane-0.65 released

becka@rz.uni-duesseldorf.de
Sun, 5 Oct 1997 14:50:20 +0100 (MET)

Hi !

> has there been any progress with respect to the MFS-12000SP problems which
> were investigated in David's survey? Last version I tried was 0.62.
We have tried to investigate it, but need more test-data.

The problem with the Lineart mode hanging seems to be timing related and there
is a hack for it by M. Ritzert. (R U reading ? Maybe you should send it to the
list).

The other problem with the occasional hangs occuring for some parameter sets
is not yet solved, though I have a faint idea about the cause.

Please try, if scanimage --mode color --resolution 111 -y 131 hangs for you.

It is somehow related to the combination of scan-height and resolution, so
I think it is some kind of rounding problem, as 131mm / 25.4mm/inch * 111
liness/inch = 572.48 lines, and the process hangs at the 572th line while
trying to scan 573 lines. Moreover there seem to be problems when only
scanning a single line in one SCSI-transfer (i.e. if you want to scan
111 lines, but the last transfer happend to stop at 110).

Please anyone with a mustek scanner try to track this down. Try to provoke
the error and log how you got there. Set SANE_DEBUG_MUSTEK to 255 so we get
enough debugging data.

I'd really like to have that fixed ...

CU,Andy

-- 
Andreas Beck              |  Email :  <becka@sunserver1.rz.uni-duesseldorf.de>
===  World-Wide-Web URL :  http://sunserver1.rz.uni-duesseldorf.de/~becka  ===
========  GGI - The Right Thing To Do : http://synergy.foo.net/~ggi/  ========

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