Comment 3 for bug 793244

Here it is with "debug" enabled the cups configuration:

D [05/Jun/2011:13:25:41 -0700] cupsdSendCommand: 13 file=11
D [05/Jun/2011:13:25:41 -0700] [cups-deviced] Started backend /usr/lib/cups/backend/usb (PID 2243)
D [05/Jun/2011:13:25:41 -0700] [cups-deviced] Started backend /usr/lib/cups/backend/serial (PID 2244)
D [05/Jun/2011:13:25:41 -0700] [cups-deviced] Started backend /usr/lib/cups/backend/dnssd (PID 2245)
D [05/Jun/2011:13:25:41 -0700] [CGI] list_devices_libusb
D [05/Jun/2011:13:25:41 -0700] [CGI] usb_find_busses=5
D [05/Jun/2011:13:25:41 -0700] [CGI] usb_find_devices=16
D [05/Jun/2011:13:25:41 -0700] [CGI] Flushed attributes...
D [05/Jun/2011:13:25:41 -0700] [cups-deviced] Found device "usb://Brother/HL-2040%20series"...
D [05/Jun/2011:13:25:41 -0700] Script header: Content-Type: application/ipp
D [05/Jun/2011:13:25:41 -0700] Script header:
E [05/Jun/2011:13:25:41 -0700] [cups-deviced] PID 2243 (usb) crashed on signal 11!
D [05/Jun/2011:13:25:41 -0700] [cups-deviced] PID 2244 (serial) exited with no errors.
D [05/Jun/2011:13:25:41 -0700] cupsdAcceptClient: 16 from localhost (Domain)
D [05/Jun/2011:13:25:41 -0700] cupsdAcceptClient: 17 from localhost (Domain)
D [05/Jun/2011:13:25:41 -0700] cupsdReadClient: 16 WAITING Closing on EOF