[sane-devel] Bulk message segmentation problem with USB/UHCI (former [sane-devel] High res problem with Epson 1240U USBScanner)

2001-08-12 Thread Stephan Feder
I found a workaround for the timeout problem: After trying several modifications in the usb-uhci source I finally set the buffer sizes IBUF_SIZE und OBUF_SIZE in scanner.h to 64, thereby forcing transmission of only 64-byte-sized bulk messages, and there were no more timeouts, everything works fin

[sane-devel] High res problem with Epson 1240U USBScanner

2001-08-12 Thread Stephan Feder
Sorry but I do not know anyone near me who uses USB on Linux. But I am almost convinced it is a USB related problem, as I pointed out in my last posting to Bill Slade. There have been other reports of a behaviour quite similar to what I experienced on the USB mailing lists so maybe I should put up

[sane-devel] High res problem with Epson 1240U USBScanner

2001-08-09 Thread Karl Heinz Kremer
--9amGYk9869ThD9tj Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable 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 prob

[sane-devel] High res problem with Epson 1240U USBScanner

2001-08-07 Thread Stephan Feder
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? Stephan -- Bill Slade wrote: > > Dear Stephan, > Updating scanner.o to the latest versio