Greetings,
I have a problem with scanner.o now; when I plug my Epson Perfection 1240U,
I now see this:
Nov 10 11:24:13 muscat kernel: drivers/usb/image/scanner.c: probe_scanner: User
specified USB scanner -- Vendor:Product - 4b8:10b
Nov 10 11:24:13 muscat kernel: drivers/usb/image/scanner.c: probe_scanner: Undetected
endpoint -- consult Documentation/usb/scanner.txt.
Nov 10 11:24:13 muscat kernel: drivers/usb/core/usb.c: registered new driver usbscanner
Nov 10 11:24:13 muscat kernel: drivers/usb/image/scanner.c: 0.4.6:USB Scanner Driver
The problem is the second line "Undetected endpoint". What the hell? Things
were working mostly fine with 2.4.20-pre7. Why did 2.5 break that?
I did have a look at the documentation file mentioned. Paragraphwise grep -i
for "undetected endpoint" yields this:
>>>
probe_scanner: Undetected endpoint -- The USB Scanner driver is
fairly general when it comes to communicating to scanners.
Unfortunately,some vendors have designed their scanners in one way or
another thatthis driver doesn't account for.
probe_scanner: Endpoint determination failed -- This means that thedriver is
unable to detect a supported configuration for means tocommunicate with the
scanner. See also 'probe_scanner: Undetected endpoint'.
<<<
I don't think Epson's firmware detects kernel 2.5 and moves endpoints away.
What happened, and what can I do to get a working scanner back?
(I've heard that the SANE people now advocate using libusb, and tell people
against using scanner.o to access the scanner. I tried to follow that
advice, but failed; I'll try again when there is something vaguely
resembling a decent documentation).
Does anyone has an idea, or can gently point me towards the properly written
fine manual to read?
Thanks in advance!
-- Cyrille
--
30-10 !
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