On Tuesday 30 June 2009 11:22:04 Oliver Neukum wrote: > Yet, your device shows bulk endpoints. Please enable DEBUG in cdc-acm.c > and recompile with CONFIG_USB_DEBUG. I've recompiled four modules usbcore, ehci_hcd, ohci_hcd and cdc-acm with -DDEBUG. Here is kernel log: ======================== Device plugged in ======================== Jun 30 23:58:34 noteb00k kernel: usb usb1: usb resume Jun 30 23:58:34 noteb00k kernel: ehci_hcd 0000:00:03.3: resume root hub Jun 30 23:58:35 noteb00k kernel: ehci_hcd 0000:00:03.3: port 5 low speed --> companion Jun 30 23:58:35 noteb00k kernel: ehci_hcd 0000:00:03.3: GetStatus port 5 status 003002 POWER OWNER sig=se0 CSC Jun 30 23:58:35 noteb00k kernel: hub 1-0:1.0: hub_resume Jun 30 23:58:35 noteb00k kernel: usb usb2: usb resume Jun 30 23:58:35 noteb00k kernel: hub 1-0:1.0: state 7 ports 6 chg 0000 evt 0000 Jun 30 23:58:35 noteb00k kernel: ohci_hcd 0000:00:03.0: wakeup root hub Jun 30 23:58:35 noteb00k kernel: hub 2-0:1.0: hub_resume Jun 30 23:58:35 noteb00k kernel: ohci_hcd 0000:00:03.0: GetStatus roothub.portstatus [2] = 0x00010301 CSC LSDA PPS CCS Jun 30 23:58:35 noteb00k kernel: hub 2-0:1.0: port 3: status 0301 change 0001 Jun 30 23:58:35 noteb00k kernel: hub 2-0:1.0: state 7 ports 3 chg 0008 evt 0000 Jun 30 23:58:35 noteb00k kernel: hub 2-0:1.0: port 3, status 0301, change 0000, 1.5 Mb/s Jun 30 23:58:35 noteb00k kernel: ohci_hcd 0000:00:03.0: GetStatus roothub.portstatus [2] = 0x00100303 PRSC LSDA PPS PES CCS Jun 30 23:58:35 noteb00k kernel: usb 2-3: new low speed USB device using ohci_hcd and address 5 Jun 30 23:58:35 noteb00k kernel: ohci_hcd 0000:00:03.0: GetStatus roothub.portstatus [2] = 0x00100303 PRSC LSDA PPS PES CCS Jun 30 23:58:35 noteb00k kernel: usb 2-3: skipped 4 descriptors after interface Jun 30 23:58:35 noteb00k kernel: usb 2-3: config 1 interface 1 altsetting 0 endpoint 0x1 is Bulk; changing to Interrupt Jun 30 23:58:35 noteb00k kernel: usb 2-3: config 1 interface 1 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt Jun 30 23:58:35 noteb00k kernel: usb 2-3: default language 0x0409 Jun 30 23:58:35 noteb00k kernel: usb 2-3: udev 5, busnum 2, minor = 132 Jun 30 23:58:35 noteb00k kernel: usb 2-3: New USB device found, idVendor=16c0, idProduct=05e1 Jun 30 23:58:35 noteb00k kernel: usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=0 Jun 30 23:58:35 noteb00k kernel: usb 2-3: Product: AVR910 USB Programmer Jun 30 23:58:35 noteb00k kernel: usb 2-3: Manufacturer: PROTTOSS Jun 30 23:58:35 noteb00k kernel: usb 2-3: uevent Jun 30 23:58:35 noteb00k kernel: usb 2-3: usb_probe_device Jun 30 23:58:35 noteb00k kernel: usb 2-3: configuration #1 chosen from 1 choice Jun 30 23:58:35 noteb00k kernel: usb 2-3: adding 2-3:1.0 (config #1, interface 0) Jun 30 23:58:35 noteb00k kernel: usb 2-3:1.0: uevent Jun 30 23:58:35 noteb00k kernel: cdc_acm 2-3:1.0: usb_probe_interface Jun 30 23:58:35 noteb00k kernel: cdc_acm 2-3:1.0: usb_probe_interface - got id Jun 30 23:58:35 noteb00k kernel: cdc_acm 2-3:1.0: The data interface has switched endpoints Jun 30 23:58:35 noteb00k kernel: /w/work/lesh/research/driver/cdc-acm.c: interfaces are valid Jun 30 23:58:35 noteb00k kernel: cdc_acm 2-3:1.0: ttyACM0: USB ACM device Jun 30 23:58:35 noteb00k kernel: /w/work/lesh/research/driver/cdc-acm.c: acm_control_msg: rq: 0x22 val: 0x0 len: 0x0 result: 0 Jun 30 23:58:35 noteb00k kernel: /w/work/lesh/research/driver/cdc-acm.c: acm_control_msg: rq: 0x20 val: 0x0 len: 0x7 result: 7 Jun 30 23:58:35 noteb00k kernel: usb 2-3: adding 2-3:1.1 (config #1, interface 1) Jun 30 23:58:35 noteb00k kernel: usb 2-3:1.1: uevent Jun 30 23:58:35 noteb00k kernel: hub 2-0:1.0: state 7 ports 3 chg 0000 evt 0008 Jun 30 23:58:38 noteb00k kernel: hub 1-0:1.0: hub_suspend Jun 30 23:58:38 noteb00k kernel: usb usb1: bus auto-suspend Jun 30 23:58:38 noteb00k kernel: ehci_hcd 0000:00:03.3: suspend root hub ======================== echo -n S >/dev/ttyACM0 ======================== Jun 30 23:58:44 noteb00k kernel: /w/work/lesh/research/driver/cdc-acm.c: Entering acm_tty_open. Jun 30 23:58:44 noteb00k kernel: /w/work/lesh/research/driver/cdc-acm.c: acm_control_msg: rq: 0x22 val: 0x3 len: 0x0 result: 0 Jun 30 23:58:44 noteb00k kernel: /w/work/lesh/research/driver/cdc-acm.c: Entering acm_tty_write to write 1 bytes, Jun 30 23:58:44 noteb00k kernel: /w/work/lesh/research/driver/cdc-acm.c: Get 1 bytes... Jun 30 23:58:44 noteb00k kernel: /w/work/lesh/research/driver/cdc-acm.c: acm_write_start susp_count: 0 Jun 30 23:58:44 noteb00k kernel: usb_sumbit_urb: failing due to non-positive interval // Jun 30 23:58:44 noteb00k kernel: usb_submit_urb: xfertype = 3 of 1/3 // these were added by me Jun 30 23:58:44 noteb00k kernel: xfertype is USB_ENDPOINT_XFER_INT // Jun 30 23:58:44 noteb00k kernel: /w/work/lesh/research/driver/cdc-acm.c: usb_submit_urb(write bulk) failed: -22 Jun 30 23:58:44 noteb00k kernel: /w/work/lesh/research/driver/cdc-acm.c: Entering acm_rx_tasklet Jun 30 23:58:44 noteb00k kernel: /w/work/lesh/research/driver/cdc-acm.c: acm_rx_tasklet: ACM not ready Jun 30 23:58:44 noteb00k kernel: /w/work/lesh/research/driver/cdc-acm.c: acm_control_msg: rq: 0x22 val: 0x0 len: 0x0 result: 0 Jun 30 23:58:44 noteb00k kernel: /w/work/lesh/research/driver/cdc-acm.c: acm_ctrl_irq - urb shutting down with status: -2 ======================== cat /dev/ttyACM0 ======================== Jun 30 23:58:54 noteb00k kernel: /w/work/lesh/research/driver/cdc-acm.c: Entering acm_tty_open. Jun 30 23:58:54 noteb00k kernel: /w/work/lesh/research/driver/cdc-acm.c: acm_control_msg: rq: 0x22 val: 0x3 len: 0x0 result: 0 Jun 30 23:58:54 noteb00k kernel: /w/work/lesh/research/driver/cdc-acm.c: Entering acm_rx_tasklet Jun 30 23:58:54 noteb00k kernel: usb_sumbit_urb: failing due to non-positive interval Jun 30 23:58:54 noteb00k kernel: usb_submit_urb: xfertype = 3 of 1/3 Jun 30 23:58:54 noteb00k kernel: xfertype is USB_ENDPOINT_XFER_INT Jun 30 23:58:54 noteb00k kernel: /w/work/lesh/research/driver/cdc-acm.c: input control lines: dcd- dsr- break- ring- framing- parity- overrun- Jun 30 23:58:54 noteb00k kernel: /w/work/lesh/research/driver/cdc-acm.c: disconnected from network ======================== Terminate cat with Ctrl+C ======================== Jun 30 23:58:58 noteb00k kernel: /w/work/lesh/research/driver/cdc-acm.c: acm_control_msg: rq: 0x22 val: 0x0 len: 0x0 result: 0 Jun 30 23:58:58 noteb00k kernel: /w/work/lesh/research/driver/cdc-acm.c: acm_ctrl_irq - urb shutting down with status:-2 ======================== Device unplugged ======================== Jun 30 23:59:08 noteb00k kernel: hub 2-0:1.0: state 7 ports 3 chg 0000 evt 0008 Jun 30 23:59:08 noteb00k kernel: ohci_hcd 0000:00:03.0: GetStatus roothub.portstatus [2] = 0x00030300 PESC CSC LSDA PPS Jun 30 23:59:08 noteb00k kernel: hub 2-0:1.0: port 3, status 0300, change 0003, 1.5 Mb/s Jun 30 23:59:08 noteb00k kernel: usb 2-3: USB disconnect, address 5 Jun 30 23:59:08 noteb00k kernel: usb 2-3: unregistering device Jun 30 23:59:08 noteb00k kernel: usb 2-3: usb_disable_device nuking all URBs Jun 30 23:59:08 noteb00k kernel: usb 2-3: unregistering interface 2-3:1.0 Jun 30 23:59:08 noteb00k kernel: /w/work/lesh/research/driver/cdc-acm.c: Entering stop_data_traffic Jun 30 23:59:08 noteb00k kernel: usb 2-3:1.0: uevent Jun 30 23:59:08 noteb00k kernel: usb 2-3: unregistering interface 2-3:1.1 Jun 30 23:59:08 noteb00k kernel: usb 2-3:1.1: uevent Jun 30 23:59:08 noteb00k kernel: usb 2-3: uevent Jun 30 23:59:08 noteb00k kernel: hub 2-0:1.0: debounce: port 3: total 100ms stable 100ms status 0x300 Jun 30 23:59:09 noteb00k kernel: ohci_hcd 0000:00:03.0: auto-stop root hub Jun 30 23:59:11 noteb00k kernel: hub 2-0:1.0: hub_suspend Jun 30 23:59:11 noteb00k kernel: usb usb2: bus auto-suspend Jun 30 23:59:11 noteb00k kernel: ohci_hcd 0000:00:03.0: suspend root hub
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