[sane-devel] libusb vs linux kernel scanner driver
Fri, 11 Jul 2003 22:59:38 +0200
On Fri, Jul 11, 2003 at 02:57:43PM -0400, m. allan noah wrote:
> no, the kernel driver starts the scan the second you ask, with no errors in the
> log, the libusb connection has a couple timeouts, and the scan starts after the
> timeouts are over, maybe 30 seconds. i am thinking that the logic in the kernel
> scanner driver and the libusb portions of sanei_usb must be sending different
> packets to the scanner, even though the backend does not distinguish between the
The scanner driver limits the maximum size of the packets to 32k I
think. Maybe that's the difference?
Can you show me a some lines of the log with SANE_DEBUG_SANEI_USB=255
and libusb? e.g. the part where the timeout occurs plus 20 lines
before that happens?