Am Dienstag, 22. Mai 2012, 21:46:32 schrieb Ashok Rao: > ----------------------------------------------------------- > This happens when the device is recognized > ------------------------------------------------------------------ > USB device number 2 using ath79-ehci > Sep 8 16:40:57 OpenWrt kern.debug kernel: [ 188.600000] cdc_acm > 1-1:1.0: interfaces are valid > Sep 8 16:40:57 OpenWrt kern.info kernel: [ 188.610000] cdc_acm > 1-1:1.0: ttyACM0: USB ACM device > Sep 8 16:40:57 OpenWrt kern.debug kernel: [ 188.640000] cdc_acm > 1-1:1.0: acm_ctrl_msg - rq 0x22, val 0x0, len 0x0, result 0 > Sep 8 16:40:57 OpenWrt kern.debug kernel: [ 188.650000] cdc_acm > 1-1:1.0: acm_ctrl_msg - rq 0x20, val 0x0, len 0x7, result 7 > > This goes one from urb 1 to 15 at the beginning when picocom is started > acm_submit_read_urb - urb 1 > acm_submit_read_urb - urb 15 > May 21 02:24:03 OpenWrt kern.debug kernel: [ 1351.270000] cdc_acm > 1-1:1.0: acm_ctrl_msg - rq 0x20, val 0x0, len 0x7, result 7 > > This is after AT command is given > Sep 8 16:53:20 OpenWrt kern.debug kernel: [ 151.600000] cdc_acm > 1-1:1.1: acm_tty_write - write 1 > Sep 8 16:53:20 OpenWrt kern.debug kernel: [ 151.600000] cdc_acm > 1-1:1.1: acm_write_start - susp_count 0 Unfortunately we have no debug message in acm_resume(). Can you please try without runtime power management? Regards Oliver -- 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
