[sane-devel] High res problem with Epson 1240U USBScanner
Karl Heinz Kremer
khk@khk.net
Thu, 9 Aug 2001 19:38:19 -0400
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Do you have access to a different machine (different motherboard or
at least different USB adapter) or a USB adapter card that you could
try? I've seen similar problems go away with a different adapter.=20
Karl Heinz
On Tue, Aug 07, 2001 at 12:00:56AM +0200, Stephan Feder wrote:
> Thanks for your suggestion, but I think scanner.c 0.4.5 (included in
> kernel 2.4.7) is up to date. Which version of scanner.c do you refer to?
> Did I overlook a new version on David Nelson's web site?
>=20
> Stephan
>=20
> --
>=20
> Bill Slade wrote:
> >=20
> > Dear Stephan,
> > Updating scanner.o to the latest version on the Sane site fixed the pro=
blem for me.....
> > Now it works like a charm!
> > Cheers,
> > Bill
> >=20
> > >>> sf@stephan-feder.de 08/05/01 23:11 PM >>>
> > Dear Karl Heinz,
> >=20
> > I had exactly the same problems as Bill. I now have a working
> > 2.4.7-kernel which includes scanner.c 0.4.5. But every time while
> > scanning I get USB timeout messages from usb.c. I tried usb-uhci.o as
> > well as uhci.o for the Intel 82371SB USB controller in may Asus P55T2P4
> > mainboard. I cannot pinpoint the troublemaker: sane-epson, scanner.o,
> > usbcore.o, usb-uhci.o/uhci.o. Has anyone any idea?
> >=20
> > Just as an aside: The setup works with another well-known operating
> > system, so it is no hardware issue.
> >=20
> > Thanks in advance
> >=20
> > Stephan
> >=20
> > --
> >=20
> > Karl Heinz Kremer wrote:
> > >
> > > Bill,
> > >
> > > please read the FAQ for the EPSON backend on my site:
> > > http://www.freecolormanagement.com/sane/faq.html
> > >
> > > You have to increase a timeout value in the kernel scanner driver -
> > > or use a newer kernel that automatically increases this timeout for
> > > EPSON scanners.
> > >
> > > Karl Heinz
> > >
> > > Bill Slade <bill.slade@rmit.edu.au> said:
> > >
> > > > Hi all,
> > > > Perhaps someone can help me fix this problem. I have an Epson 124=
0 U
> > > Scanner. After doing all the configuration mentioned in the USB scan=
ner FAQ
> > > and conecting the scanner to the USB port...I was all excited when it=
worked
> > > straight away....until I tried to scan at a resolution higher than 6=
00dpi.
> > > Xsane choked and a dialog window "Error during read: Invalid argumen=
t"
> > > popped up.
> > > >
> > > > Doing a <<cat /proc/bus/usb/devices >> yields
> > > >
> > > > : Bus=3D01 Lev=3D00 Prnt=3D00 Port=3D00 Cnt=3D00 Dev#=3D 1 Spd=3D=
12 MxCh=3D 2
> > > > B: Alloc=3D 0/900 us ( 0%), #Int=3D 0, #Iso=3D 0
> > > > D: Ver=3D 100 Cls=3D09(hub ) Sub=3D00 Prot=3D00 MxPS=3D 8 #Cfgs=
=3D 1
> > > > P: Vendor=3D0000 ProdID=3D0000 Rev=3D 0.00
> > > > S: Product=3DUSB UHCI Root Hub
> > > > S: SerialNumber=3D3400
> > > > C:* #Ifs=3D 1 Cfg#=3D 1 Atr=3D40 MxPwr=3D 0mA
> > > > I: If#=3D 0 Alt=3D 0 #EPs=3D 1 Cls=3D09(hub ) Sub=3D00 Prot=3D00 =
Driver=3Dhub
> > > > E: Ad=3D81(I) Atr=3D03(Int.) MxPS=3D 8 Ivl=3D255ms
> > > > T: Bus=3D01 Lev=3D01 Prnt=3D01 Port=3D00 Cnt=3D01 Dev#=3D 6 Spd=
=3D12 MxCh=3D 0
> > > > D: Ver=3D 1.00 Cls=3Dff(vend.) Sub=3Dff Prot=3Dff MxPS=3D64 #Cfgs=
=3D 1
> > > > P: Vendor=3D04b8 ProdID=3D010b Rev=3D 1.14
> > > > S: Manufacturer=3D?????
> > > > S: Product=3D??????????????
> > > > C:* #Ifs=3D 1 Cfg#=3D 1 Atr=3D40 MxPwr=3D 2mA
> > > > I: If#=3D 0 Alt=3D 0 #EPs=3D 2 Cls=3Dff(vend.) Sub=3Dff Prot=3Dff =
Driver=3Dusbscanner
> > > > E: Ad=3D81(I) Atr=3D02(Bulk) MxPS=3D 64 Ivl=3D 0ms
> > > > E: Ad=3D02(O) Atr=3D02(Bulk) MxPS=3D 64 Ivl=3D 0ms
> > > >
> > > > The kernel complains withthe maintainer.
> > > > Jul 23 12:43:38 localhost kernel: scanner.c: read_scanner(0): funky=
result:-
> > > 32.
> > > > Please notify the maintainer.
> > > > Jul 23 12:43:38 localhost last message repeated 50 times
> > > > Jul 23 12:43:38 localhost kernel: sd_scanner(0): funky result:-32. =
Please
> > > notify the maintainer.
> > > > Jul 23 12:43:38 localhost kernel: scanner.c: read_scanner(0): funky=
result:-
> > > 32.
> > > > Please notify the maintainer.
> > > > Jul 23 12:43:38 localhost last message repeated 1168 times
> > > >
> > > > What is happening and what fixes it? Isit the backend or the USB d=
river
> > > that is the problem? Any help would be greatly appreciated.
> > > >
> > > > BTW - I am using RedHat 7.1 on a Compaq laptop with kernel 2.4.2-2=
. The
> > > scanner.o module is dated April 9, 2001.
> > > >
> > > > Cheers,
> > > > Bill
> > > >
> > > >
> > > >
> > > >
> > > > _______________________________________________
> > > > Sane-devel mailing list
> > > > Sane-devel@www.mostang.com
> > > > http://www.mostang.com/mailman/listinfo/sane-devel
> > > >
> > >
> > > --
> _______________________________________________
> Sane-devel mailing list
> Sane-devel@www.mostang.com
> http://www.mostang.com/mailman/listinfo/sane-devel
--=20
Karl Heinz Kremer khk@khk.net
PGP Key at http://www.freecolormanagement.com/download/khk.asc
EPSON Sane Backend: http://www.freecolormanagement.com
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