2009/1/13 Maciej Rutecki <maciej.rutecki@xxxxxxxxx>: > Until 2.6.28 I use hci_usb driver to bluetooth adapter. In 2.6.29-rc1 > it doesn't exists, so I switch to btusb module, and I have problem > connect with another machine, dmesg shows this message: > [ 101.468638] hci_cmd_task: hci0 command tx timeout > [ 699.328112] hci_cmd_task: hci0 command tx timeout > > How to check what cause problems with communication? > > Contents /proc/bus/usb/devicec, dmesg, lsusb, config: > http://www.unixy.pl/maciek/download/kernel/2.6.29-rc1/bluetooth/ > hcidump in local interface local hci0: 00:11:67:CA:45:0E remote hci0: 00:16:41:88:A0:1B Connection from local to remote (I use kdebluetoothd): root@zlom:/home/maciek# hcidump -V -i hci0 HCI sniffer - Bluetooth packet analyzer ver 1.42 device: hci0 snap_len: 1028 filter: 0xffffffff < HCI Command: Inquiry (0x01|0x0001) plen 5 lap 0x9e8b33 len 8 num 0 > HCI Event: Command Status (0x0f) plen 4 Inquiry (0x01|0x0001) status 0x00 ncmd 1 > HCI Event: Inquiry Result with RSSI (0x22) plen 15 bdaddr 00:16:41:88:A0:1B mode 2 clkoffset 0x7468 class 0x100000 rssi -76 > HCI Event: Inquiry Complete (0x01) plen 1 status 0x00 < HCI Command: Create Connection (0x01|0x0005) plen 13 bdaddr 00:16:41:88:A0:1B ptype 0xcc18 rswitch 0x01 clkoffset 0x7468 (valid) Packet type: DM1 DM3 DM5 DH1 DH3 DH5 < HCI Command: Create Connection Cancel (0x01|0x0008) plen 6 bdaddr 00:16:41:88:A0:1B > HCI Event: Command Complete (0x0e) plen 10 Create Connection Cancel (0x01|0x0008) ncmd 1 status 0x02 bdaddr 1B:01:A5:B5:88:EC Error: Unknown Connection Identifier >From remote to local: root@zlom:/home/maciek# hcidump -V -i hci0 HCI sniffer - Bluetooth packet analyzer ver 1.42 device: hci0 snap_len: 1028 filter: 0xffffffff > HCI Event: Connect Request (0x04) plen 10 bdaddr 00:16:41:88:A0:1B class 0x100000 type ACL < HCI Command: Accept Connection Request (0x01|0x0009) plen 7 bdaddr 00:16:41:88:A0:1B role 0x01 Role: Slave > HCI Event: Connect Complete (0x03) plen 11 status 0x10 handle 0 bdaddr 00:16:41:88:A0:1B type ACL encrypt 0x00 Error: Connection Accept Timeout Exceeded -- Maciej Rutecki http://www.maciek.unixy.pl -- 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
