Hi, On Sat, Jan 11, 2003 at 09:24:33AM -0800, Ricky Charlet wrote: > Mac OSX 10.2.3 > libusb-0.1.7 > > BUT!!!!! > from your advice in the previous post, I replaced my sane-backends with > the sane-backends-2003-01-11 snapshot. (I did a make uninstall; make > distclean in sane-backends-1.0.9 and compiled then compiled and > installed the sane-backends snapshot. ) > > This has solved my problem I reported in my last post. Yeah! scanimage > now succeeds in recognizing the existance of my scanner.
Ok. > But I still can't scan. :-( > > I'll insert an output dump of scanimage with SANE_DEBUG_USB=255, > SANE_DEBUG_SANEI_USB=255, SANE_DEBUG_EPSON=255. My read of this dump > is that there is a libusb call (usb_bulk_read) failing. But what > confuses me is that during this dump there are some previous points at > which usb_bulk_read was called and apparently succeeded. > > Anyway here is the dump > ============================= > [sanei_usb] sanei_usb_close: closing device 0 > USB error: error clearing pipe stall That may be part of the problem. For some reason, the usb_clear_halt fails. > [sanei_usb] sanei_usb_open: trying to open device `libusb:-08:005' > usb_os_open: 04b8:0101 [...] Again the device is opened. > usb_bulk_write: endpoint=0x02 size=2 TO=60000 > write completed > CFLoopRun returned > [sanei_usb] sanei_usb_write_bulk: wanted 2 bytes, wrote 0 bytes The write fails. I guess because of the clear_halt failed before. Try editing sanei/sanei_usb.c. Search for sane_close, there are two lines with "usb_clear_halt" in this function. Comment them out and recompile/reinstall. Does it work now? Bye, Henning
