On Tue, 2004-04-20 at 16:02, [email protected] wrote: > 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 Did you check your hotplug configuration also check sane cvs version tool/hotplug/README check man sane-linux check man sane-usb
-- ---------- m.vr.gr. Gerard Klaver
