The following is the dmesg output with debug messages. This includes from when the 'insmod sierra' comand is issued, the modem is inseted, the 'echo 'AT' > /dev/ttyUSB3' is issued and finnaly the modem is removed: "bus: 'usb-serial': add driver sierra /home/gosborne/sysbuild/linux-2.6.25.7/drivers/usb/serial/usb-serial.c: USB Serial support registered for Sierra USB modem bus: 'usb': add driver sierra usbcore: registered new interface driver sierra /home/gosborne/sysbuild/linux-2.6.25.7/drivers/usb/serial/sierra.c: USB Driver for Sierra Wireless USB modems: v.1.6.0 oxu210hp-hcd oxu210hp-hcd: irq status 0004 PCD hub 1-0:1.0: state 7 ports 1 chg 0000 evt 0002 oxu210hp-hcd oxu210hp-hcd: GetStatus port 1 status 001803 POWER sig=j CSC CONNECT hub 1-0:1.0: port 1, status 0101, change 0001, 12 Mb/s oxu210hp-hcd oxu210hp-hcd: GetStatus port 1 status 001801 POWER sig=j CONNECT oxu210hp-hcd oxu210hp-hcd: GetStatus port 1 status 001801 POWER sig=j CONNECT oxu210hp-hcd oxu210hp-hcd: GetStatus port 1 status 001801 POWER sig=j CONNECT oxu210hp-hcd oxu210hp-hcd: GetStatus port 1 status 001801 POWER sig=j CONNECT oxu210hp-hcd oxu210hp-hcd: GetStatus port 1 status 001801 POWER sig=j CONNECT hub 1-0:1.0: debounce: port 1: total 100ms stable 100ms status 0x101 oxu210hp-hcd oxu210hp-hcd: port 1 reset oxu210hp-hcd oxu210hp-hcd: port 1 high speed oxu210hp-hcd oxu210hp-hcd: GetStatus port 1 status 8001205 POWER sig=se0 PE CONNECT oxu210hp-hcd oxu210hp-hcd: irq status 0004 PCD usb 1-1: new high speed USB device using oxu210hp-hcd and address 2 oxu210hp-hcd oxu210hp-hcd: submit_async 1 urb c3f33e80 ep0out len 64, qtd c5018860 [qh 00000000] oxu210hp-hcd oxu210hp-hcd: irq status 0001 INT oxu210hp-hcd oxu210hp-hcd: ehci_urb_done 1 urb c3f33e80 ep0in status 0 len 18/64 oxu210hp-hcd oxu210hp-hcd: irq status 0001 INT oxu210hp-hcd oxu210hp-hcd: irq status 0020 IAA oxu210hp-hcd oxu210hp-hcd: port 1 reset oxu210hp-hcd oxu210hp-hcd: port 1 high speed oxu210hp-hcd oxu210hp-hcd: GetStatus port 1 status 8001205 POWER sig=se0 PE CONNECT oxu210hp-hcd oxu210hp-hcd: irq status 0004 PCD oxu210hp-hcd oxu210hp-hcd: submit_async 1 urb c3f33e80 ep0out len 0, qtd c50188c0 [qh c5018080] oxu210hp-hcd oxu210hp-hcd: irq status 0001 INT oxu210hp-hcd oxu210hp-hcd: ehci_urb_done 1 urb c3f33e80 ep0out status 0 len 0/0 oxu210hp-hcd oxu210hp-hcd: irq status 0020 IAA oxu210hp-hcd oxu210hp-hcd: submit_async 1 urb c3f33e80 ep0out len 18, qtd c5018860 [qh 00000000] oxu210hp-hcd oxu210hp-hcd: irq status 0001 INT oxu210hp-hcd oxu210hp-hcd: ehci_urb_done 1 urb c3f33e80 ep0in status 0 len 18/18 oxu210hp-hcd oxu210hp-hcd: irq status 0001 INT oxu210hp-hcd oxu210hp-hcd: irq status 0020 IAA oxu210hp-hcd oxu210hp-hcd: submit_async 1 urb c3f33e80 ep0out len 9, qtd c50188c0 [qh c5018080] oxu210hp-hcd oxu210hp-hcd: irq status 0001 INT oxu210hp-hcd oxu210hp-hcd: ehci_urb_done 1 urb c3f33e80 ep0in status 0 len 9/9 oxu210hp-hcd oxu210hp-hcd: irq status 0001 INT oxu210hp-hcd oxu210hp-hcd: irq status 0020 IAA oxu210hp-hcd oxu210hp-hcd: submit_async 1 urb c3f33e80 ep0out len 221, qtd c5018860 [qh c5018080] oxu210hp-hcd oxu210hp-hcd: irq status 0001 INT oxu210hp-hcd oxu210hp-hcd: ehci_urb_done 1 urb c3f33e80 ep0in status 0 len 221/221 oxu210hp-hcd oxu210hp-hcd: irq status 0001 INT oxu210hp-hcd oxu210hp-hcd: irq status 0020 IAA oxu210hp-hcd oxu210hp-hcd: submit_async 1 urb c3f33180 ep0out len 255, qtd c50188c0 [qh c5018080] oxu210hp-hcd oxu210hp-hcd: irq status 0001 INT oxu210hp-hcd oxu210hp-hcd: ehci_urb_done 1 urb c3f33180 ep0in status 0 len 4/255 oxu210hp-hcd oxu210hp-hcd: irq status 0001 INT oxu210hp-hcd oxu210hp-hcd: irq status 0020 IAA usb 1-1: default language 0x0409 oxu210hp-hcd oxu210hp-hcd: submit_async 1 urb c3f33180 ep0out len 255, qtd c5018860 [qh c5018080] oxu210hp-hcd oxu210hp-hcd: irq status 0001 INT oxu210hp-hcd oxu210hp-hcd: ehci_urb_done 1 urb c3f33180 ep0in status 0 len 22/255 oxu210hp-hcd oxu210hp-hcd: irq status 0001 INT oxu210hp-hcd oxu210hp-hcd: irq status 0020 IAA oxu210hp-hcd oxu210hp-hcd: submit_async 1 urb c3f33180 ep0out len 255, qtd c50188c0 [qh c5018080] oxu210hp-hcd oxu210hp-hcd: irq status 0001 INT oxu210hp-hcd oxu210hp-hcd: ehci_urb_done 1 urb c3f33180 ep0in status 0 len 60/255 oxu210hp-hcd oxu210hp-hcd: irq status 0001 INT oxu210hp-hcd oxu210hp-hcd: irq status 0020 IAA device: '1-1': device_add bus: 'usb': add device 1-1 usb 1-1: uevent bus: 'usb': driver_probe_device: matched device 1-1 with driver usb bus: 'usb': really_probe: probing driver usb with device 1-1 usb 1-1: usb_probe_device device: 'usbdev1.2_ep00': device_add usb 1-1: configuration #1 chosen from 1 choice oxu210hp-hcd oxu210hp-hcd: submit_async 1 urb c3f33300 ep0out len 0, qtd c5018860 [qh c5018080] oxu210hp-hcd oxu210hp-hcd: irq status 0001 INT oxu210hp-hcd oxu210hp-hcd: ehci_urb_done 1 urb c3f33300 ep0out status 0 len 0/0 oxu210hp-hcd oxu210hp-hcd: irq status 0020 IAA usb 1-1: adding 1-1:1.0 (config #1, interface 0) device: '1-1:1.0': device_add bus: 'usb': add device 1-1:1.0 usb 1-1:1.0: uevent bus: 'usb': driver_probe_device: matched device 1-1:1.0 with driver sierra bus: 'usb': really_probe: probing driver sierra with device 1-1:1.0 sierra 1-1:1.0: usb_probe_interface sierra 1-1:1.0: usb_probe_interface - got id sierra 1-1:1.0: Sierra USB modem converter detected oxu210hp-hcd oxu210hp-hcd: submit_async 1 urb c3f15d00 ep0out len 0, qtd c50188c0 [qh c5018080] oxu210hp-hcd oxu210hp-hcd: irq status 0001 INT oxu210hp-hcd oxu210hp-hcd: ehci_urb_done 1 urb c3f15d00 ep0out status 0 len 0/0 oxu210hp-hcd oxu210hp-hcd: irq status 0020 IAA device: 'ttyUSB0': device_add bus: 'usb-serial': add device ttyUSB0 bus: 'usb-serial': driver_probe_device: matched device ttyUSB0 with driver sierra bus: 'usb-serial': really_probe: probing driver sierra with device ttyUSB0 device: 'ttyUSB0': device_add usb 1-1: Sierra USB modem converter now attached to ttyUSB0 driver: 'ttyUSB0': driver_bound: bound to device 'sierra' bus: 'usb-serial': really_probe: bound device ttyUSB0 to driver sierra driver: '1-1:1.0': driver_bound: bound to device 'sierra' bus: 'usb': really_probe: bound device 1-1:1.0 to driver sierra device: 'usbdev1.2_ep81': device_add device: 'usbdev1.2_ep01': device_add usb 1-1: adding 1-1:1.1 (config #1, interface 1) device: '1-1:1.1': device_add bus: 'usb': add device 1-1:1.1 usb 1-1:1.1: uevent bus: 'usb': driver_probe_device: matched device 1-1:1.1 with driver sierra bus: 'usb': really_probe: probing driver sierra with device 1-1:1.1 sierra 1-1:1.1: usb_probe_interface sierra 1-1:1.1: usb_probe_interface - got id sierra 1-1:1.1: Sierra USB modem converter detected oxu210hp-hcd oxu210hp-hcd: submit_async 1 urb c3e3ac00 ep0out len 0, qtd c5018860 [qh c5018080] oxu210hp-hcd oxu210hp-hcd: irq status 0001 INT oxu210hp-hcd oxu210hp-hcd: ehci_urb_done 1 urb c3e3ac00 ep0out status 0 len 0/0 oxu210hp-hcd oxu210hp-hcd: irq status 0020 IAA device: 'ttyUSB1': device_add bus: 'usb-serial': add device ttyUSB1 bus: 'usb-serial': driver_probe_device: matched device ttyUSB1 with driver sierra bus: 'usb-serial': really_probe: probing driver sierra with device ttyUSB1 device: 'ttyUSB1': device_add usb 1-1: Sierra USB modem converter now attached to ttyUSB1 driver: 'ttyUSB1': driver_bound: bound to device 'sierra' bus: 'usb-serial': really_probe: bound device ttyUSB1 to driver sierra driver: '1-1:1.1': driver_bound: bound to device 'sierra' bus: 'usb': really_probe: bound device 1-1:1.1 to driver sierra device: 'usbdev1.2_ep82': device_add device: 'usbdev1.2_ep02': device_add usb 1-1: adding 1-1:1.2 (config #1, interface 2) device: '1-1:1.2': device_add bus: 'usb': add device 1-1:1.2 usb 1-1:1.2: uevent bus: 'usb': driver_probe_device: matched device 1-1:1.2 with driver sierra bus: 'usb': really_probe: probing driver sierra with device 1-1:1.2 sierra 1-1:1.2: usb_probe_interface sierra 1-1:1.2: usb_probe_interface - got id sierra 1-1:1.2: Sierra USB modem converter detected oxu210hp-hcd oxu210hp-hcd: submit_async 1 urb c3cf4a80 ep0out len 0, qtd c50188c0 [qh c5018080] oxu210hp-hcd oxu210hp-hcd: irq status 0001 INT oxu210hp-hcd oxu210hp-hcd: ehci_urb_done 1 urb c3cf4a80 ep0out status 0 len 0/0 oxu210hp-hcd oxu210hp-hcd: irq status 0020 IAA device: 'ttyUSB2': device_add bus: 'usb-serial': add device ttyUSB2 bus: 'usb-serial': driver_probe_device: matched device ttyUSB2 with driver sierra bus: 'usb-serial': really_probe: probing driver sierra with device ttyUSB2 device: 'ttyUSB2': device_add usb 1-1: Sierra USB modem converter now attached to ttyUSB2 driver: 'ttyUSB2': driver_bound: bound to device 'sierra' bus: 'usb-serial': really_probe: bound device ttyUSB2 to driver sierra driver: '1-1:1.2': driver_bound: bound to device 'sierra' bus: 'usb': really_probe: bound device 1-1:1.2 to driver sierra device: 'usbdev1.2_ep83': device_add device: 'usbdev1.2_ep03': device_add usb 1-1: adding 1-1:1.3 (config #1, interface 3) device: '1-1:1.3': device_add bus: 'usb': add device 1-1:1.3 usb 1-1:1.3: uevent bus: 'usb': driver_probe_device: matched device 1-1:1.3 with driver sierra bus: 'usb': really_probe: probing driver sierra with device 1-1:1.3 sierra 1-1:1.3: usb_probe_interface sierra 1-1:1.3: usb_probe_interface - got id sierra 1-1:1.3: Sierra USB modem converter detected oxu210hp-hcd oxu210hp-hcd: submit_async 1 urb c3f33500 ep0out len 0, qtd c5018860 [qh c5018080] oxu210hp-hcd oxu210hp-hcd: irq status 0001 INT oxu210hp-hcd oxu210hp-hcd: ehci_urb_done 1 urb c3f33500 ep0out status 0 len 0/0 oxu210hp-hcd oxu210hp-hcd: irq status 0020 IAA device: 'ttyUSB3': device_add bus: 'usb-serial': add device ttyUSB3 bus: 'usb-serial': driver_probe_device: matched device ttyUSB3 with driver sierra bus: 'usb-serial': really_probe: probing driver sierra with device ttyUSB3 device: 'ttyUSB3': device_add usb 1-1: Sierra USB modem converter now attached to ttyUSB3 driver: 'ttyUSB3': driver_bound: bound to device 'sierra' bus: 'usb-serial': really_probe: bound device ttyUSB3 to driver sierra driver: '1-1:1.3': driver_bound: bound to device 'sierra' bus: 'usb': really_probe: bound device 1-1:1.3 to driver sierra device: 'usbdev1.2_ep84': device_add device: 'usbdev1.2_ep85': device_add device: 'usbdev1.2_ep04': device_add usb 1-1: adding 1-1:1.4 (config #1, interface 4) device: '1-1:1.4': device_add bus: 'usb': add device 1-1:1.4 usb 1-1:1.4: uevent bus: 'usb': driver_probe_device: matched device 1-1:1.4 with driver sierra bus: 'usb': really_probe: probing driver sierra with device 1-1:1.4 sierra 1-1:1.4: usb_probe_interface sierra 1-1:1.4: usb_probe_interface - got id sierra 1-1:1.4: Sierra USB modem converter detected oxu210hp-hcd oxu210hp-hcd: submit_async 1 urb c3f15c00 ep0out len 0, qtd c50188c0 [qh c5018080] oxu210hp-hcd oxu210hp-hcd: irq status 0001 INT oxu210hp-hcd oxu210hp-hcd: ehci_urb_done 1 urb c3f15c00 ep0out status 0 len 0/0 oxu210hp-hcd oxu210hp-hcd: irq status 0020 IAA device: 'ttyUSB4': device_add bus: 'usb-serial': add device ttyUSB4 bus: 'usb-serial': driver_probe_device: matched device ttyUSB4 with driver sierra bus: 'usb-serial': really_probe: probing driver sierra with device ttyUSB4 device: 'ttyUSB4': device_add usb 1-1: Sierra USB modem converter now attached to ttyUSB4 driver: 'ttyUSB4': driver_bound: bound to device 'sierra' bus: 'usb-serial': really_probe: bound device ttyUSB4 to driver sierra driver: '1-1:1.4': driver_bound: bound to device 'sierra' bus: 'usb': really_probe: bound device 1-1:1.4 to driver sierra device: 'usbdev1.2_ep86': device_add device: 'usbdev1.2_ep87': device_add device: 'usbdev1.2_ep05': device_add usb 1-1: adding 1-1:1.5 (config #1, interface 5) device: '1-1:1.5': device_add bus: 'usb': add device 1-1:1.5 usb 1-1:1.5: uevent bus: 'usb': driver_probe_device: matched device 1-1:1.5 with driver sierra bus: 'usb': really_probe: probing driver sierra with device 1-1:1.5 sierra 1-1:1.5: usb_probe_interface sierra 1-1:1.5: usb_probe_interface - got id sierra 1-1:1.5: Sierra USB modem converter detected oxu210hp-hcd oxu210hp-hcd: submit_async 1 urb c3f33700 ep0out len 0, qtd c5018860 [qh c5018080] oxu210hp-hcd oxu210hp-hcd: irq status 0001 INT oxu210hp-hcd oxu210hp-hcd: ehci_urb_done 1 urb c3f33700 ep0out status 0 len 0/0 oxu210hp-hcd oxu210hp-hcd: irq status 0020 IAA device: 'ttyUSB5': device_add bus: 'usb-serial': add device ttyUSB5 bus: 'usb-serial': driver_probe_device: matched device ttyUSB5 with driver sierra bus: 'usb-serial': really_probe: probing driver sierra with device ttyUSB5 device: 'ttyUSB5': device_add usb 1-1: Sierra USB modem converter now attached to ttyUSB5 driver: 'ttyUSB5': driver_bound: bound to device 'sierra' bus: 'usb-serial': really_probe: bound device ttyUSB5 to driver sierra driver: '1-1:1.5': driver_bound: bound to device 'sierra' bus: 'usb': really_probe: bound device 1-1:1.5 to driver sierra device: 'usbdev1.2_ep88': device_add device: 'usbdev1.2_ep89': device_add device: 'usbdev1.2_ep06': device_add usb 1-1: adding 1-1:1.6 (config #1, interface 6) device: '1-1:1.6': device_add bus: 'usb': add device 1-1:1.6 usb 1-1:1.6: uevent bus: 'usb': driver_probe_device: matched device 1-1:1.6 with driver sierra bus: 'usb': really_probe: probing driver sierra with device 1-1:1.6 sierra 1-1:1.6: usb_probe_interface sierra 1-1:1.6: usb_probe_interface - got id sierra 1-1:1.6: Sierra USB modem converter detected oxu210hp-hcd oxu210hp-hcd: submit_async 1 urb c3f33d80 ep0out len 0, qtd c50188c0 [qh c5018080] oxu210hp-hcd oxu210hp-hcd: irq status 0001 INT oxu210hp-hcd oxu210hp-hcd: ehci_urb_done 1 urb c3f33d80 ep0out status 0 len 0/0 oxu210hp-hcd oxu210hp-hcd: irq status 0020 IAA device: 'ttyUSB6': device_add bus: 'usb-serial': add device ttyUSB6 bus: 'usb-serial': driver_probe_device: matched device ttyUSB6 with driver sierra bus: 'usb-serial': really_probe: probing driver sierra with device ttyUSB6 device: 'ttyUSB6': device_add usb 1-1: Sierra USB modem converter now attached to ttyUSB6 driver: 'ttyUSB6': driver_bound: bound to device 'sierra' bus: 'usb-serial': really_probe: bound device ttyUSB6 to driver sierra driver: '1-1:1.6': driver_bound: bound to device 'sierra' bus: 'usb': really_probe: bound device 1-1:1.6 to driver sierra device: 'usbdev1.2_ep8a': device_add device: 'usbdev1.2_ep8b': device_add device: 'usbdev1.2_ep07': device_add usb 1-1: adding 1-1:1.7 (config #1, interface 7) device: '1-1:1.7': device_add bus: 'usb': add device 1-1:1.7 usb 1-1:1.7: uevent bus: 'usb': driver_probe_device: matched device 1-1:1.7 with driver usb-storage bus: 'usb': really_probe: probing driver usb-storage with device 1-1:1.7 usb-storage 1-1:1.7: usb_probe_interface usb-storage 1-1:1.7: usb_probe_interface - got id usb-storage: USB Mass Storage device detected usb-storage: -- associate_dev usb-storage: Vendor: 0x1199, Product: 0x6890, Revision: 0x0005 usb-storage: Interface Subclass: 0x06, Protocol: 0x50 usb-storage: Transport: Bulk usb-storage: Protocol: Transparent SCSI usb-storage: *** thread sleeping. scsi0 : SCSI emulation for USB Mass Storage devices device: 'host0': device_add CLASS: registering class device: ID = 'host0' class_uevent - name = host0 usb-storage: device found at 2 usb-storage: waiting for device to settle before scanning driver: '1-1:1.7': driver_bound: bound to device 'usb-storage' bus: 'usb': really_probe: bound device 1-1:1.7 to driver usb-storage device: 'usbdev1.2_ep08': device_add device: 'usbdev1.2_ep8c': device_add /home/gosborne/sysbuild/linux-2.6.25.7/drivers/usb/core/inode.c: creating file '002' driver: '1-1': driver_bound: bound to device 'usb' bus: 'usb': really_probe: bound device 1-1 to driver usb usb 1-1: New USB device found, idVendor=1199, idProduct=6890 usb 1-1: New USB device strings: Mfr=2, Product=1, SerialNumber=0 usb 1-1: Product: HSPA Modem usb 1-1: Manufacturer: Sierra Wireless, Incorporated usb-storage: usb_stor_control_msg: rq=fe rqtype=a1 value=0000 index=07 len=1 oxu210hp-hcd oxu210hp-hcd: submit_async 1 urb c3e3ab80 ep0out len 1, qtd c5018860 [qh c5018080] oxu210hp-hcd oxu210hp-hcd: irq status 0001 INT oxu210hp-hcd oxu210hp-hcd: ehci_urb_done 1 urb c3e3ab80 ep0in status 0 len 1/1 oxu210hp-hcd oxu210hp-hcd: irq status 0001 INT oxu210hp-hcd oxu210hp-hcd: irq status 0020 IAA usb-storage: GetMaxLUN command result is 1, data is 0 device: 'target0:0:0': device_add usb-storage: queuecommand called usb-storage: *** thread awakened. usb-storage: Command INQUIRY (6 bytes) usb-storage: 12 00 00 00 24 00 usb-storage: Bulk Command S 0x43425355 T 0x1 L 36 F 128 Trg 0 LUN 0 CL 6 usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes oxu210hp-hcd oxu210hp-hcd: submit_async 1 urb c3e3ab80 ep8out len 31, qtd c50188c0 [qh 00000000] oxu210hp-hcd oxu210hp-hcd: irq status 0001 INT oxu210hp-hcd oxu210hp-hcd: ehci_urb_done 1 urb c3e3ab80 ep8out status 0 len 31/31 oxu210hp-hcd oxu210hp-hcd: irq status 0020 IAA usb-storage: Status code 0; transferred 31/31 usb-storage: -- transfer complete usb-storage: Bulk command transfer result=0 usb-storage: usb_stor_bulk_transfer_sglist: xfer 36 bytes, 1 entries oxu210hp-hcd oxu210hp-hcd: submit_async 1 urb c3f33f80 ep12in len 36, qtd c5018920 [qh 00000000] oxu210hp-hcd oxu210hp-hcd: irq status 0001 INT oxu210hp-hcd oxu210hp-hcd: ehci_urb_done 1 urb c3f33f80 ep12in status 0 len 36/36 oxu210hp-hcd oxu210hp-hcd: irq status 0020 IAA usb-storage: Status code 0; transferred 36/36 usb-storage: -- transfer complete usb-storage: Bulk data transfer result 0x0 usb-storage: Attempting to get CSW... usb-storage: usb_stor_bulk_transfer_buf: xfer 13 bytes oxu210hp-hcd oxu210hp-hcd: submit_async 1 urb c3e3ab80 ep12in len 13, qtd c5018980 [qh c5018180] oxu210hp-hcd oxu210hp-hcd: irq status 0001 INT oxu210hp-hcd oxu210hp-hcd: ehci_urb_done 1 urb c3e3ab80 ep12in status 0 len 13/13 oxu210hp-hcd oxu210hp-hcd: irq status 0020 IAA usb-storage: Status code 0; transferred 13/13 usb-storage: -- transfer complete usb-storage: Bulk status result = 0 usb-storage: Bulk Status S 0x53425355 T 0x1 R 0 Stat 0x0 usb-storage: scsi cmd done, result=0x0 scsi 0:0:0:0: Direct-Access SWI SD Card 2.31 PQ: 0 ANSI: 2 device: '0:0:0:0': device_add bus: 'scsi': add device 0:0:0:0 bus: 'scsi': driver_probe_device: matched device 0:0:0:0 with driver sd bus: 'scsi': really_probe: probing driver sd with device 0:0:0:0 CLASS: registering class device: ID = '0:0:0:0' class_uevent - name = 0:0:0:0 usb-storage: queuecommand called usb-storage: *** thread sleeping. usb-storage: *** thread awakened. usb-storage: Command TEST_UNIT_READY (6 bytes) usb-storage: 00 00 00 00 00 00 usb-storage: Bulk Command S 0x43425355 T 0x2 L 0 F 0 Trg 0 LUN 0 CL 6 usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes oxu210hp-hcd oxu210hp-hcd: submit_async 1 urb c3e3ab80 ep8out len 31, qtd c5018920 [qh c5018100] oxu210hp-hcd oxu210hp-hcd: irq status 0001 INT oxu210hp-hcd oxu210hp-hcd: ehci_urb_done 1 urb c3e3ab80 ep8out status 0 len 31/31 oxu210hp-hcd oxu210hp-hcd: irq status 0020 IAA usb-storage: Status code 0; transferred 31/31 usb-storage: -- transfer complete usb-storage: Bulk command transfer result=0 usb-storage: Attempting to get CSW... usb-storage: usb_stor_bulk_transfer_buf: xfer 13 bytes oxu210hp-hcd oxu210hp-hcd: submit_async 1 urb c3e3ab80 ep12in len 13, qtd c50188c0 [qh c5018180] oxu210hp-hcd oxu210hp-hcd: irq status 0001 INT oxu210hp-hcd oxu210hp-hcd: ehci_urb_done 1 urb c3e3ab80 ep12in status 0 len 13/13 oxu210hp-hcd oxu210hp-hcd: irq status 0020 IAA usb-storage: Status code 0; transferred 13/13 usb-storage: -- transfer complete usb-storage: Bulk status result = 0 usb-storage: Bulk Status S 0x53425355 T 0x2 R 0 Stat 0x1 usb-storage: -- transport indicates command failure usb-storage: Issuing auto-REQUEST_SENSE usb-storage: Bulk Command S 0x43425355 T 0x3 L 18 F 128 Trg 0 LUN 0 CL 6 usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes oxu210hp-hcd oxu210hp-hcd: submit_async 1 urb c3e3ab80 ep8out len 31, qtd c5018980 [qh c5018100] oxu210hp-hcd oxu210hp-hcd: irq status 0001 INT oxu210hp-hcd oxu210hp-hcd: ehci_urb_done 1 urb c3e3ab80 ep8out status 0 len 31/31 oxu210hp-hcd oxu210hp-hcd: irq status 0020 IAA usb-storage: Status code 0; transferred 31/31 usb-storage: -- transfer complete usb-storage: Bulk command transfer result=0 usb-storage: usb_stor_bulk_transfer_sglist: xfer 18 bytes, 1 entries oxu210hp-hcd oxu210hp-hcd: submit_async 1 urb c3cb0d80 ep12in len 18, qtd c5018920 [qh c5018180] oxu210hp-hcd oxu210hp-hcd: irq status 0001 INT oxu210hp-hcd oxu210hp-hcd: ehci_urb_done 1 urb c3cb0d80 ep12in status 0 len 18/18 oxu210hp-hcd oxu210hp-hcd: irq status 0020 IAA usb-storage: Status code 0; transferred 18/18 usb-storage: -- transfer complete usb-storage: Bulk data transfer result 0x0 usb-storage: Attempting to get CSW... usb-storage: usb_stor_bulk_transfer_buf: xfer 13 bytes oxu210hp-hcd oxu210hp-hcd: submit_async 1 urb c3e3ab80 ep12in len 13, qtd c50188c0 [qh c5018180] oxu210hp-hcd oxu210hp-hcd: irq status 0001 INT oxu210hp-hcd oxu210hp-hcd: ehci_urb_done 1 urb c3e3ab80 ep12in status 0 len 13/13 oxu210hp-hcd oxu210hp-hcd: irq status 0020 IAA usb-storage: Status code 0; transferred 13/13 usb-storage: -- transfer complete usb-storage: Bulk status result = 0 usb-storage: Bulk Status S 0x53425355 T 0x3 R 0 Stat 0x0 usb-storage: -- Result from auto-sense is 0 usb-storage: -- code: 0xf0, key: 0x2, ASC: 0x3a, ASCQ: 0x0 usb-storage: (Unknown Key): (unknown ASC/ASCQ) usb-storage: scsi cmd done, result=0x2 device: 'sda': device_add sd 0:0:0:0: [sda] Attached SCSI removable disk driver: '0:0:0:0': driver_bound: bound to device 'sd' bus: 'scsi': really_probe: bound device 0:0:0:0 to driver sd CLASS: registering class device: ID = '0:0:0:0' class_uevent - name = 0:0:0:0 device: 'target0:0:1': device_add usb-storage: queuecommand called usb-storage: *** thread sleeping. usb-storage: *** thread awakened. usb-storage: Bad target number (1:0) usb-storage: scsi cmd done, result=0x40000 device: 'target0:0:2': device_add usb-storage: queuecommand called usb-storage: *** thread sleeping. usb-storage: *** thread awakened. usb-storage: Bad target number (2:0) usb-storage: scsi cmd done, result=0x40000 device: 'target0:0:3': device_add usb-storage: queuecommand called usb-storage: *** thread sleeping. usb-storage: *** thread awakened. usb-storage: Bad target number (3:0) usb-storage: scsi cmd done, result=0x40000 device: 'target0:0:4': device_add usb-storage: queuecommand called usb-storage: *** thread sleeping. usb-storage: *** thread awakened. usb-storage: Bad target number (4:0) usb-storage: scsi cmd done, result=0x40000 device: 'target0:0:5': device_add usb-storage: queuecommand called usb-storage: *** thread sleeping. usb-storage: *** thread awakened. usb-storage: Bad target number (5:0) usb-storage: scsi cmd done, result=0x40000 device: 'target0:0:6': device_add usb-storage: queuecommand called usb-storage: *** thread sleeping. usb-storage: *** thread awakened. usb-storage: Bad target number (6:0) usb-storage: scsi cmd done, result=0x40000 device: 'target0:0:7': device_add usb-storage: queuecommand called usb-storage: *** thread sleeping. usb-storage: *** thread awakened. usb-storage: Bad target number (7:0) usb-storage: scsi cmd done, result=0x40000 usb-storage: device scan complete usb-storage: *** thread sleeping. oxu210hp-hcd oxu210hp-hcd: submit_async 1 urb c3f33500 ep0out len 0, qtd c5018920 [qh c5018080] oxu210hp-hcd oxu210hp-hcd: irq status 0001 INT oxu210hp-hcd oxu210hp-hcd: ehci_urb_done 1 urb c3f33500 ep0out status 0 len 0/0 oxu210hp-hcd oxu210hp-hcd: irq status 0020 IAA oxu210hp-hcd oxu210hp-hcd: submit_async 1 urb c3f33380 ep5in len 4096, qtd c5018860 [qh 00000000] 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 oxu210hp-hcd oxu210hp-hcd: irq status 0020 IAA oxu210hp-hcd oxu210hp-hcd: irq status 0003 ERR INT oxu210hp-hcd oxu210hp-hcd: devpath 1 ep5in 3strikes oxu210hp-hcd oxu210hp-hcd: dev2 ep5in qtd token 10008148 --> status -71 oxu210hp-hcd oxu210hp-hcd: ehci_urb_done 1 urb c3f33380 ep5in status -71 len 0/4096 oxu210hp-hcd oxu210hp-hcd: irq status 0024 IAA PCD hub 1-0:1.0: state 7 ports 1 chg 0000 evt 0002 oxu210hp-hcd oxu210hp-hcd: GetStatus port 1 status c00100a POWER sig=se0 PEC CSC hub 1-0:1.0: port 1, status 0100, change 0003, 12 Mb/s usb 1-1: USB disconnect, address 2 usb 1-1: unregistering device usb 1-1: usb_disable_device nuking all URBs usb 1-1: unregistering interface 1-1:1.0 device: 'usbdev1.2_ep81': device_unregister device: 'usbdev1.2_ep01': device_unregister bus: 'usb': remove device 1-1:1.0 device: 'ttyUSB0': device_unregister bus: 'usb-serial': remove device ttyUSB0 device: 'ttyUSB0': device_unregister device: 'ttyUSB0': device_create_release sierra ttyUSB0: Sierra USB modem converter now disconnected from ttyUSB0 sierra 1-1:1.0: device disconnected usb 1-1:1.0: uevent usb 1-1: unregistering interface 1-1:1.1 device: 'usbdev1.2_ep82': device_unregister device: 'usbdev1.2_ep02': device_unregister bus: 'usb': remove device 1-1:1.1 device: 'ttyUSB1': device_unregister bus: 'usb-serial': remove device ttyUSB1 device: 'ttyUSB1': device_unregister device: 'ttyUSB1': device_create_release sierra ttyUSB1: Sierra USB modem converter now disconnected from ttyUSB1 sierra 1-1:1.1: device disconnected usb 1-1:1.1: uevent usb 1-1: unregistering interface 1-1:1.2 device: 'usbdev1.2_ep83': device_unregister device: 'usbdev1.2_ep03': device_unregister bus: 'usb': remove device 1-1:1.2 device: 'ttyUSB2': device_unregister bus: 'usb-serial': remove device ttyUSB2 device: 'ttyUSB2': device_unregister device: 'ttyUSB2': device_create_release sierra ttyUSB2: Sierra USB modem converter now disconnected from ttyUSB2 sierra 1-1:1.2: device disconnected usb 1-1:1.2: uevent usb 1-1: unregistering interface 1-1:1.3 device: 'usbdev1.2_ep84': device_unregister device: 'usbdev1.2_ep85': device_unregister device: 'usbdev1.2_ep04': device_unregister bus: 'usb': remove device 1-1:1.3 device: 'ttyUSB3': device_unregister bus: 'usb-serial': remove device ttyUSB3 device: 'ttyUSB3': device_unregister device: 'ttyUSB3': device_create_release sierra ttyUSB3: Sierra USB modem converter now disconnected from ttyUSB3 sierra 1-1:1.3: device disconnected usb 1-1:1.3: uevent usb 1-1: unregistering interface 1-1:1.4 device: 'usbdev1.2_ep86': device_unregister device: 'usbdev1.2_ep87': device_unregister device: 'usbdev1.2_ep05': device_unregister bus: 'usb': remove device 1-1:1.4 device: 'ttyUSB4': device_unregister bus: 'usb-serial': remove device ttyUSB4 device: 'ttyUSB4': device_unregister device: 'ttyUSB4': device_create_release sierra ttyUSB4: Sierra USB modem converter now disconnected from ttyUSB4 sierra 1-1:1.4: device disconnected usb 1-1:1.4: uevent usb 1-1: unregistering interface 1-1:1.5 device: 'usbdev1.2_ep88': device_unregister device: 'usbdev1.2_ep89': device_unregister device: 'usbdev1.2_ep06': device_unregister bus: 'usb': remove device 1-1:1.5 device: 'ttyUSB5': device_unregister bus: 'usb-serial': remove device ttyUSB5 device: 'ttyUSB5': device_unregister device: 'ttyUSB5': device_create_release sierra ttyUSB5: Sierra USB modem converter now disconnected from ttyUSB5 sierra 1-1:1.5: device disconnected usb 1-1:1.5: uevent usb 1-1: unregistering interface 1-1:1.6 device: 'usbdev1.2_ep8a': device_unregister device: 'usbdev1.2_ep8b': device_unregister device: 'usbdev1.2_ep07': device_unregister bus: 'usb': remove device 1-1:1.6 device: 'ttyUSB6': device_unregister bus: 'usb-serial': remove device ttyUSB6 device: 'ttyUSB6': device_unregister device: 'ttyUSB6': device_create_release sierra ttyUSB6: Sierra USB modem converter now disconnected from ttyUSB6 sierra 1-1:1.6: device disconnected usb 1-1:1.6: uevent usb 1-1: unregistering interface 1-1:1.7 device: 'usbdev1.2_ep08': device_unregister device: 'usbdev1.2_ep8c': device_unregister bus: 'usb': remove device 1-1:1.7 usb-storage: storage_disconnect() called usb-storage: usb_stor_stop_transport called CLASS: Unregistering class device. ID = '0:0:0:0' class_uevent - name = 0:0:0:0 device class '0:0:0:0': release. bus: 'scsi': remove device 0:0:0:0 class_uevent - name = 0:0:0:0 device class '0:0:0:0': release. CLASS: Unregistering class device. ID = 'host0' class_uevent - name = host0 device class 'host0': release. usb-storage: -- usb_stor_release_resources usb-storage: -- sending exit command to thread usb-storage: *** thread awakened. usb-storage: -- exiting usb-storage: -- dissociate_dev usb 1-1:1.7: uevent bus: 'usb': remove device 1-1 device: 'usbdev1.2_ep00': device_unregister usb 1-1: uevent oxu210hp-hcd oxu210hp-hcd: GetStatus port 1 status c001000 POWER sig=se0 oxu210hp-hcd oxu210hp-hcd: GetStatus port 1 status c001000 POWER sig=se0 oxu210hp-hcd oxu210hp-hcd: GetStatus port 1 status c001000 POWER sig=se0 oxu210hp-hcd oxu210hp-hcd: GetStatus port 1 status c001000 POWER sig=se0 oxu210hp-hcd oxu210hp-hcd: GetStatus port 1 status c001000 POWER sig=se0 hub 1-0:1.0: debounce: port 1: total 100ms stable 100ms status 0x100" Rodolfo Giometti <giometti@...> writes: > > 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 > -- 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