On Wed, May 27, 2009 at 06:41:36PM +0100, Warren, Dean wrote: > LOL - Hmm, knowing what you are talking about generally helps but it's > never stopped me getting the job (done) in the past! ;) > > Yes the modem is connected as a serial device. After laoding > usbserial.ko and sierra.ko, inserting the modem, I attempt to send the > modem a hello command .e.g 'echo 'AT' > /dev/ttyUSB3'. usbserial.ko already defines a serial line... what is sierra.ko used for? > The kernel reports the following: > > "sierra ttyUSB3: sierra_open: submit urb 1 failed (-12) 4096 sierra > ttyUSB3: sierra_open: submit urb 2 failed (-12) 4096 sierra ttyUSB3: > sierra_open: submit urb 3 failed (-12) 4096 sierra ttyUSB3: > sierra_open: submit urb 4 failed (-12) 4096 sierra ttyUSB3: > sierra_open: submit urb 5 failed (-12) 4096 sierra ttyUSB3: > sierra_open: submit urb 6 failed (-12) 4096 sierra ttyUSB3: > sierra_open: submit urb 7 failed (-12) 4096 sierra ttyUSB3: > sierra_open: submit irq_in urb failed -12 sierra ttyUSB3: sierra_write - > usb_submit_urb(write bulk) failed with status = -12 > -bash: echo: write error: Cannot allocate memory" Can you please enable the driver's debugging messages? Ciao, Rodolfo -- GNU/Linux Solutions e-mail: giometti@xxxxxxxxxxxx Linux Device Driver giometti@xxxxxxxx Embedded Systems phone: +39 349 2432127 UNIX programming skype: rodolfo.giometti -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
