<br...@biology.nmsu.edu> writes: > > The epson backend recognized your scanner OK, reset it (ESC-@) and > > then queries the scanner for its ID (ESC-I). Looks like it isn't > > getting an answer, so I'd suggest you look what is happening in the > > USB layer. > > > > You can see what's going on by setting the SANE_DEBUG_SANEI_USB > > environment variable to something sensible. IIRC, a value of 5 to 10 > > should be more or less sensible. > > Thanks for the tip. It seems there are problems with the USB > communications (see I/O and timeout errors below). Does anyone here > know how to set up USB correctly on a NetBSD box? Note that the > machine has a USB mouse that works fine.
>From your debugging output it looks like there is nothing wrong with your USB setup but I'm not very familiar with BSD. The logs show one error message though that I find particularly "alarming". > Here is the output from 'scanimage -L': > [snip] > [epson] sane_init, >usb libusb:/dev/usb1:/dev/ugen0< > [epson] attach_one_usb(libusb:/dev/usb1:/dev/ugen0) > [epson] SANE Epson Backend v0.2.36 - 2003-03-26 > [epson] attach(libusb:/dev/usb1:/dev/ugen0, 3) > [epson] attach: opening libusb:/dev/usb1:/dev/ugen0 > [sanei_usb] sanei_usb_open: trying to open device > `libusb:/dev/usb1:/dev/ugen0' > [sanei_usb] sanei_usb_open: found bulk-in endpoint (address 1) > [sanei_usb] sanei_usb_open: found bulk-out endpoint (address 2) > [sanei_usb] sanei_usb_open: opened usb device > `libusb:/dev/usb1:/dev/ugen0' (*dn=0) > [sanei_usb] sanei_usb_get_vendor_product: device 0: vendorID: 0x04b8, > productID: 0x011b > [epson] Found valid EPSON scanner: 0x4b8/0x11b (vendorID/productID) > [epson] send buf, size = 2 > [epson] buf[0] 1b . > [epson] buf[1] 40 @ > [sanei_usb] sanei_usb_write_bulk: trying to write 2 bytes > [sanei_usb] 0000: 1B 40 > .@.............. > [sanei_usb] sanei_usb_write_bulk: wanted 2 bytes, wrote 2 bytes > [sanei_usb] sanei_usb_read_bulk: trying to read 1 bytes > USB error: error reading from bulk endpoint /dev/ugen0.01: Connection > timed out > [sanei_usb] sanei_usb_read_bulk: read failed: Connection timed out > USB error: usb_clear_halt called, unimplemented on BSD Er, not implemented on BSD? That could be a problem. From a quick look at sanei_usb.c, it seems that your libusb implementation is at fault. > [epson] receive buf, expected = 1, got = 0 > [epson] get_identity_information() > [epson] send buf, size = 2 > [epson] buf[0] 1b . > [epson] buf[1] 49 I > [sanei_usb] sanei_usb_write_bulk: trying to write 2 bytes > [sanei_usb] 0000: 1B 49 > .I.............. Does the debugging output just stop here or did you get time out messages like with the ESC-@ command? HTH, -- Olaf Meeuwissen EPSON KOWA Corporation, PF1 FSF Associate Member #1962 sign up at http://member.fsf.org/ GnuPG key: 6BE37D90/AB6B 0D1F 99E7 1BF5 EB97 976A 16C7 F27D 6BE3 7D90 Penguin's lib! -- I hack, therefore I am -- LPIC-2