On Fri, Sep 04, 2009 at 11:04:21PM +0200, Oliver Neukum wrote: > OK, please apply the included debugging patch, change "#undef DEBUG" > in cdc-acm.c to "#define DEBUG", recompile and post dmesg. usb 3-1: new full speed USB device using uhci_hcd and address 2 usb 3-1: New USB device found, idVendor=20df, idProduct=0001 usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 3-1: Product: Entropy Key usb 3-1: Manufacturer: Simtec Electronics usb 3-1: SerialNumber: OQBuBlg0MTFBVxZD usb 3-1: configuration #1 chosen from 1 choice cdc_acm 3-1:1.0: This device cannot do calls on its own. It is not a modem. cdc_acm 3-1:1.0: The data interface has switched endpoints drivers/usb/class/cdc-acm.c: interfaces are valid cdc_acm 3-1:1.0: ttyACM0: USB ACM device drivers/usb/class/cdc-acm.c: acm_control_msg: rq: 0x22 val: 0x0 len: 0x0 result: 0 drivers/usb/class/cdc-acm.c: acm_control_msg: rq: 0x20 val: 0x0 len: 0x7 result: 7 usbcore: registered new interface driver cdc_acm cdc_acm: v0.26:USB Abstract Control Model driver for USB modems and ISDN adapters drivers/usb/class/cdc-acm.c: Entering acm_tty_open. drivers/usb/class/cdc-acm.c: acm_control_msg: rq: 0x22 val: 0x3 len: 0x0 result: 0 drivers/usb/class/cdc-acm.c: tty_port_block_til_ready returned -512 drivers/usb/class/cdc-acm.c: Entering acm_rx_tasklet drivers/usb/class/cdc-acm.c: acm_rx_tasklet: ACM not ready drivers/usb/class/cdc-acm.c: acm_control_msg: rq: 0x22 val: 0x0 len: 0x0 result: 0 drivers/usb/class/cdc-acm.c: acm_ctrl_irq - urb shutting down with status: -2 drivers/usb/class/cdc-acm.c: Entering acm_tty_open. drivers/usb/class/cdc-acm.c: acm_control_msg: rq: 0x22 val: 0x3 len: 0x0 result: 0 drivers/usb/class/cdc-acm.c: tty_port_block_til_ready returned -512 drivers/usb/class/cdc-acm.c: Entering acm_rx_tasklet drivers/usb/class/cdc-acm.c: acm_rx_tasklet: ACM not ready drivers/usb/class/cdc-acm.c: acm_control_msg: rq: 0x22 val: 0x0 len: 0x0 result: 0 drivers/usb/class/cdc-acm.c: acm_ctrl_irq - urb shutting down with status: -2 -- Paul Martin <pm@xxxxxxxxxx> -- 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
