http://bugzilla.novell.com/show_bug.cgi?id=559697
http://bugzilla.novell.com/show_bug.cgi?id=559697#c17
--- Comment #17 from Stanislav Brabec 2009-12-08 18:11:44 CET ---
Still expecting debug logs from libusb0 done with the same scanner paramaters
as done with the unsuccessful scan.
Here is a short log analysis summary of unsuccessful scanning, comment 14,
timestamps from 21:45:22 to 21:45:31.
The algorithm asks for transfer of 32000 bytes in 2 seconds.
Library splits this requirements to 2 URB transfers (it is larger than 16384
bytes) and sends request to the scanner.
Scanner did not fill the buffer completely and sent ~6000 bytes in the first
transfer and ~500 bytes in the second transfer and library returned ~6500 bytes
to the driver. It repeats every about ~50ms.
When no data are read, some magic in the driver is applied. It probably handles
the step back before continuing.
It happened at 21:45:30. Less than 2 seconds later scanner stopped to work.
Did you press Ctrl+C at 21:45:31 or only scanner stopped to work in this
moment?
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