On Thu, 9 Oct 2003, Peter Kirchgessner wrote: > Hi, > > the debug log shows lots of times a "read failed. End of file reached". > Please try the current CVS-version of the hp-backend. I just added a > retry for that case. > > You can also try to get around the USB-scanner module and work directly > with libusb. This sometimes works better. Make sure that the module > scanner is not loaded. Rename the object > /lib/modules/2.4*/kernel/drivers/usb/scanner.o to scanner.o_save > Then connect the scanner with your machine. It should be recognized. Try > to scan.
this does not work on rh9, the scanner.o_save module will still be added to modules.usbmap when the box boots, and it will actually modprobe the module, even with the changed name, after the next re-boot. i would recommend that you move the object up to /lib/modules/`uname -r` allan > > Sincerely > > Peter > > Yves Martin schrieb: > > Hello, > > > > I'm trying to use my usb scanner 4100C to my Linux - vanilla 2.4.21 > > with some patches (software suspend, ACPI, ntfs, supermount) > > I have checked that the USB scanner module is available. > > > > When I connect my scanner, it appears in /proc/bus/usb/devices and the > > 'scanner' driver in /proc/bus/usb/drivers. I'm using devfs and devusbfs. > > > > I have libusb 1.6a (from Mandrake 9.1), I have compiled sane-backends > > from sources 1.0.12 in /usr/local and my /usr/local/etc/sane/hp.conf > > contains "usb 0x03f0 0x0101" > > [ I have removed packages with old sane backends from Mdk 9.1 to avoid > > conflicts ] > > > > So I ran sane-find-scanner: > > checking /dev/usb/scanner0... open ok, vendor and product ids were > > identified > > found USB scanner (vendor=0x03f0, product=0x0101) at /dev/usb/scanner0 > > > > Then scanimage -L aborts with the message: > > scanimage: hp-option.c:3661: hp_optset_fix_geometry_options: Assertion > > `tl_x && > > tl_y && br_x && br_y' failed. > > Aborted (core dumped) > > > > The first run of scanimage is fast - and core dumped. The second run is > > really, > > really slow - but core dumped too with the same message. > > Then the device does not appear any longer: > > /dev/usb/scanner0 does not exist ?? connect/disconnect changes nothing ?? > > I have to reboot my Linux to get back the device !! > > > > What's wrong ? Do I have to patch something in my kernel ? > > > > In attachment, the complete scanimage -L stdout/sdterr with > > SANE_DEBUG_HP=17 > > > > Thank you in advance for your help > > > -- "so don't tell us it can't be done, putting down what you don't know. money isn't our god, integrity will free our souls" - Max Cavalera
