Hi, > >> Can not accept incoming SCO connection. Kernel version 2.6.29. Kernel > >> log is as below. Is this a kernel bug? Is there any fix already for > >> this? > >> > >> <6>[ 158.339691] sco_connect_ind: hdev hci0, bdaddr CA:D3:10:55:0C:00 > >> -------// receive incoming sco > >> <6>[ 158.518554] sco_connect_cfm: hcon cf18ee00 bdaddr CA:D3:10:55:0C:00 status > >> <6>[ 158.721160] sco_connect_cfm: hcon cf149c00 bdaddr CA:D3:10:55:0C:00 status > >> <6>[ 158.728851] sco_conn_add: hcon cf149c00 conn cc772640 > >> <6>[ 158.734313] sco_conn_ready: conn cc772640 > >> -----------// handle sco connection complete > >> <6>[ 158.738800] sco_sock_init: sk cf18c400 > >> -----------// start handle sco socket > >> <6>[ 158.742858] __sco_chan_add: conn cc772640 > >> <6>[ 159.693023] sco_sock_accept: sk ccfdf400 timeo 0 > >> <6>[ 159.708038] sco_sock_accept: new socket cf18c400 > >> <6>[ 159.713073] sco_sock_getsockopt: sk cf18c400 > >> <6>[ 159.717834] sco_sock_getsockopt_old: sk cf18c400 > >> <6>[ 159.722839] sco_sock_getsockopt_old: mtu 180 > >> <6>[ 159.727661] sco_sock_getname: sock ce9d80a0, sk cf18c400 > >> <6>[ 159.733398] sco_sock_getname: sock ce9d80a0, sk cf18c400 > >> <6>[ 159.739166] sco_sock_release: sock ce9d80a0, sk cf18c400 > >> -----------// don't know why it call sco_sock_release > >> <6>[ 159.745025] sco_sock_clear_timer: sock cf18c400 state 1 > >> <6>[ 159.750671] sco_sock_close: sk cf18c400 state 1 conn cc772640 socket ce9d8 > >> <6>[ 159.758453] sco_chan_del: sk cf18c400, conn cc772640, err 104 > >> <6>[ 159.764770] sco_sock_kill: sk cf18c400 state 9 > >> <6>[ 159.769592] sco_sock_destruct: sk cf18c400 > >> ------------// destruct sco socket, and disconnect SCO connection > >> <6>[ 159.782745] l2cap_disconn_ind: hcon cf149c00 > >> <6>[ 159.787384] hci_acl_disconn: cf149c00 > >> <6>[ 159.950805] hci_disconn_complete_evt: hci0 status 0 > >> <6>[ 159.956207] l2cap_disconn_cfm: hcon cf149c00 reason 22 > >> <6>[ 159.961730] sco_disconn_cfm: hcon cf149c00 reason 22 > >> -------------// sco disconnected > >> <6>[ 159.967102] sco_conn_del: hcon cf149c00 conn cc772640, err 103 > >> <6>[ 162.130523] hci_disconn_complete_evt: hci0 status 0 > >> <6>[ 162.136291] l2cap_disconn_cfm: hcon cf18ee00 reason 19 > >> <6>[ 162.149871] sco_disconn_cfm: hcon cf18ee00 reason 19 > >> <4>[ 165.382141] done EDISCO CTRL ENABLE > >> <7>[ 165.386077] sholes-panel: edisco_ctrl_enable_te > > > > what kind of program are you using? > > > > This issue was found when testing HFP on android platform with a > Bluetooth carkit which is not support eSCO. At first android tries to > establish eSCO with carkit, carkit response with error that eSCO is > not supported. Then carkit send SCO connect request to android > automatically, android accepted this connection but disconnect it > immediately. I think we fixed all of these. Try a 2.6.31-rc5 kernel. Also you would need to include the output of hcidump -X -V. Regards Marcel -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
