From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Mauro Tortonesi To: Marcel Holtmann , BlueZ Mailing List Subject: Re: [Bluez-devel] problems with nc6 with bluez support Date: Thu, 22 Jan 2004 12:31:10 +0100 References: <200401221042.53134.mtortonesi@ing.unife.it> <200401221127.57516.mtortonesi@ing.unife.it> <1074770040.19046.1.camel@pegasus> In-Reply-To: <1074770040.19046.1.camel@pegasus> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-15" Message-Id: <200401221231.10350.mtortonesi@ing.unife.it> List-ID: On Thursday 22 January 2004 12:14, you wrote: > Hi Mauro, > > > sorry, i sent the email before it was finished :-( i was saying that when > > i try to perform data tranfers over sco the bluez/usb subsystem on the > > receiving host hangs: my dlink dbt120 usb dongle is shut down (the 2 leds > > switch off) and the system does not recognize it anymore even if i unplug > > it and plug it in again. and if i then replace the dlink dbt120 with an > > anycom 220 usb dongle nothing changes: the green led of the anycom dongle > > lits but the usb subsystem does not even recognize the peripheral. > > > > the system keeps refusing to recognize usb dongles even if i unload and > > reload the hci_usb, bluez, sco and l2cap modules and the hcid and sdpd > > daemons. > > > > how can i solve these problesm? do you have any clues? > > as already told, SCO is not for data transfer. what do you mean when you say that SCO is not for data transfer? what are the limits of SCO sockets? > But show us the output of "hciconfig hci0 version" and "hciconfig hci0 > revision" (as root). for the dlink dbt120 usb dongle: [root@giskard root]# hciconfig hci0 version hci0: Type: USB BD Address: 00:0D:88:8E:CA:07 ACL MTU: 192:8 SCO MTU: 64:8 HCI Ver: 1.1 (0x1) HCI Rev: 0x1bb LMP Ver: 1.1 (0x1) LMP Subver: 0x1bb Manufacturer: Cambridge Silicon Radio (10) [root@giskard root]# hciconfig hci0 revision hci0: Type: USB BD Address: 00:0D:88:8E:CA:07 ACL MTU: 192:8 SCO MTU: 64:8 HCI 15.3 (bc02x) for the anycom 220 usb dongle: [root@giskard root]# hciconfig hci0 version hci0: Type: USB BD Address: 00:0A:9A:00:EB:B5 ACL MTU: 339:4 SCO MTU: 64:0 HCI Ver: 1.1 (0x1) HCI Rev: 0x93 LMP Ver: 1.1 (0x1) LMP Subver: 0x93 Manufacturer: Transilica, Inc. (24) [root@giskard root]# hciconfig hci0 revision hci0: Type: USB BD Address: 00:0A:9A:00:EB:B5 ACL MTU: 339:4 SCO MTU: 64:0 Unsupported manufacturer i am using hciconfig from bluez-utils 2.3. BTW: clearly, when the usb/bluez subsystem hangs after trying to perform sco transfers, hciconfig does not recognize any bluetooth interface. -- Aequam memento rebus in arduis servare mentem... Mauro Tortonesi mtortonesi@ing.unife.it mauro@deepspace6.net mauro@ferrara.linux.it Deep Space 6 - IPv6 with Linux http://www.deepspace6.net Ferrara Linux User Group http://www.ferrara.linux.it