libusb, usb scanner and hotplug troubles (one more)

[dju`]

Hello,

I'm trying to make my Canon N650 usb scanner works. I'm using hotplug-20040923, coldplug-20040920, libusb-0.1.8, ck-sources-2.6.9-r3 and sane-backends-1.0.15.

It seems hotplug passes "DEVICE=/proc/bus/usb/001/002" to the /etc/hotplug/usb/libusbscanner script, so everything libusbscanner does is to chmod 660 and chown root:scanner it.

Actually, the scanner is on libusb:002:002:

[toralf]

I never got this scanner to work correctly with an actual gentoo system, at least xsane complaines about something and I got lot of error messages in my syslog.

[dju`]

mine works correctly if i set the right permissions on the right /proc file.

...erm, correctly is not the world, i still can't get nice colors and tone. driver seems to be really bad.

[lazarusrat]

I was having the same problem with vanilla 2.6.9 and 2.69.-cksomething. Attempting to fix another problem, I recompiled the kernel with UHCI, EHCI, and agpgart as modules (they were compiled in) and added pci=routeirq to the boot arguments. It works now. The libusbscanner script and sane-find-scanner and scanimage -L all show it as 001:003.
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[dju`]

i've solved this by upgrading to ck-sources-2.6.10-r1 and moving UHCI to module (it was compiled-in). dunno which one did the trick, but, who cares thanks a lot.