Re: [Bluez-users] Dell D830 laptop BT card doesn't start

Marcel Holtmann
2007-12-05T07:24:26Z

Hi Franck,

> I've been trying to make my embedded bluetooth card work, but it seems
> i have a big problem...
> Before explaining it, here is my hardware specification:
> Dell D830 laptop, and my bluetooth card (running lsusb):
> Bus 001 Device 003: ID 413c:8140 Dell Computer Corp. Wireless 360
> Bluetooth

show me /proc/bus/usb/devices for your card.

> I have installed bluez-utils, bluez-libs, bluetooth, everything that
> is seem to be needed.
>
> Here is what hciconfig give me:
> hci0: Type: USB
> BD Address: 00:1A:6B:8A:xx:xx ACL MTU: 310:10 SCO MTU: 64:8
> UP RUNNING PSCAN ISCAN
> RX bytes:4134 acl:0 sco:0 events:136 errors:0
> TX bytes:2047 acl:0 sco:0 commands:133 errors:0
>
> So my BT card seems to work ... but when I run a scan or an inq (with
> hcitool), nothing is found. Also, the bluetooth led of my laptop is
> off ...
>
> After doing many test, i was wondering if it was not a hardware
> problem, so i have boot to windows to see if my card words. Everything
> worked fine, the led was on, the scan showed my phone. Then i reboot
> on linux, and here is the thing weird, my bluetooth card was still
> working (the led was on).
>
> So i start bluetooth daemon (hcid, sdpd), i run a scan, and my phone
> is found !!!
>
> The problem seems to be the bluetooth card doesn't "start"/"stop" on
> linux (the led story confirms that). So, is there a way to solve this
> thing ? Have I done something wrong ?

The card might need a special init sequence to make it work. You can try
to load hci_usb with reset=1 module option. That might be enough.

Regards

Marcel