Hey I've got that one. I'm using sane front and and sane backend and remember I had to patch both, so maybe (although I can't see why) you need to patch the sane front end?
---------- Original Message ---------------------------------- From: [EMAIL PROTECTED] Date: Tue, 20 Apr 2004 18:02:51 +0200 > >Hi, > >I'm trying to get my HP 4300C working. >For that I'm using sane + the niash external backend. >niash is compiled to work with libusb. > >here are some informations: > >debian sid + 2.6.5-mm6 kernel >libsane is 1.0.13 >libusb is 0.1.8 > >(atm all commands are run as root) > >After a fresh boot lsusb does not see the scanner. >But it's present in /proc/bus/usb/device: > T: Bus=02 Lev=01 Prnt=01 Port=01 Cnt=02 Dev#= 5 Spd=12 MxCh= 0 > D: Ver= 1.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 > P: Vendor=03f0 ProdID=0305 Rev= 0.00 > C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 48mA > I: If#= 0 Alt= 0 #EPs= 3 Cls=10(unk. ) Sub=01 Prot=00 Driver=(none) > E: Ad=81(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms > E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms > E: Ad=83(I) Atr=03(Int.) MxPS= 1 Ivl=8ms > >After running 'scanimage -h', lsusb sees the scanner: > Bus 002 Device 005: ID 03f0:0305 Hewlett-Packard ScanJet 4300c > >the result of scanimage is: > scanimage: open of device niash:libusb:002:005 failed: Device busy > List of available devices: > niash:libusb:002:005 > >when i strace it, it shows: > ioctl(6, USBDEVFS_SETCONFIGURATION, 0xbfffead4) = -1 EPROTO (Protocol > error) >and it doesn't produce a kernel error. > >running testtool (correctly compiled for libusb): > # ./testtool > No NIASH chipset found! > _ProbeRegisters failed! > >stracing it shows a lot of: > 21141 ioctl(4, USBDEVFS_CONTROL, 0xbffffa70) = -1 EPROTO (Protocol > error) > >it does produce kernel errors: > usbfs: USBDEVFS_CONTROL failed cmd testtool dev 5 rqt 64 rq 12 len 1 > ret -71 > usbfs: USBDEVFS_CONTROL failed cmd testtool dev 5 rqt 192 rq 12 len 1 > ret -71 > >result of a 'SANE_DEBUG_SANEI_USB=255 scanimage -h' : > [sanei_usb] sanei_usb_open: trying to open device `libusb:002:005' > USB error: could not set config 1: Protocol error > [sanei_usb] sanei_usb_open: libusb complained: could not set config 1: > Protocol error > scanimage: open of device niash:libusb:002:005 failed: Device busy > >Any advice ? > >TIA > >-- > > >------------------------------------------------------- >This SF.Net email is sponsored by: IBM Linux Tutorials >Free Linux tutorial presented by Daniel Robbins, President and CEO of >GenToo technologies. Learn everything from fundamentals to system >administration.http://ads.osdn.com/?ad_id=1470&alloc_id=3638&op=click >_______________________________________________ >[EMAIL PROTECTED] >To unsubscribe, use the last form field at: >https://lists.sourceforge.net/lists/listinfo/linux-usb-devel > ________________________________________________________________ Sent via the HostPortal WebMail system at ninefamily.com ------------------------------------------------------- This SF.Net email is sponsored by: IBM Linux Tutorials Free Linux tutorial presented by Daniel Robbins, President and CEO of GenToo technologies. Learn everything from fundamentals to system administration.http://ads.osdn.com/?ad_id=1470&alloc_id=3638&op=click _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
