This goes to the whole USB community: I'm maintaining one of the
SANE backends, which also uses the USB infrastructure. I have now
received several problem reports that with a newer USB subsystem
people are experiencing long delays until the SANE driver reports
a failure to recognize the scanner. I see two problems:
- Long time until the USB subsystem delivers data (about 2 minutes).
- Failure to communicate with the scanner.
Are these known problems?
Here are two lines from a log.
Mar 18 15:12:09 gondor kernel: usb_control/bulk_msg: timeout
Mar 18 15:12:09 gondor kernel: scanner.c: read_scanner(0): NAK received
Unfortunately I don't have access to a USB scanner, so if you need
more information I would have to relay the information from/to the
user's experiencing these problems.
Karl Heinz
-- Karl Heinz Kremer khk@khk.net http://www.khk.net
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