On Wed, 2007-01-03 at 10:28 +0100, Marcel Holtmann wrote: 
> please show us the content of /proc/bus/usb/devices for this dongle.

T:  Bus=05 Lev=02 Prnt=02 Port=03 Cnt=01 Dev#=  4 Spd=12  MxCh= 0
D:  Ver= 2.00 Cls=e0(unk. ) Sub=01 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=413c ProdID=8126 Rev= 1.00
S:  Manufacturer=Broadcom Corp
S:  Product=BCM2045
C:* #Ifs= 4 Cfg#= 1 Atr=e0 MxPwr=  0mA
I:  If#= 0 Alt= 0 #EPs= 3 Cls=e0(unk. ) Sub=01 Prot=01 Driver=hci_usb
E:  Ad=81(I) Atr=03(Int.) MxPS=  16 Ivl=1ms
E:  Ad=82(I) Atr=02(Bulk) MxPS=  64 Ivl=0ms
E:  Ad=02(O) Atr=02(Bulk) MxPS=  64 Ivl=0ms
I:  If#= 1 Alt= 0 #EPs= 2 Cls=e0(unk. ) Sub=01 Prot=01 Driver=hci_usb
E:  Ad=83(I) Atr=01(Isoc) MxPS=   0 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=   0 Ivl=1ms
I:  If#= 1 Alt= 1 #EPs= 2 Cls=e0(unk. ) Sub=01 Prot=01 Driver=hci_usb
E:  Ad=83(I) Atr=01(Isoc) MxPS=   9 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=   9 Ivl=1ms
I:  If#= 1 Alt= 2 #EPs= 2 Cls=e0(unk. ) Sub=01 Prot=01 Driver=hci_usb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  17 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  17 Ivl=1ms
I:  If#= 1 Alt= 3 #EPs= 2 Cls=e0(unk. ) Sub=01 Prot=01 Driver=hci_usb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  32 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  32 Ivl=1ms
I:  If#= 1 Alt= 4 #EPs= 2 Cls=e0(unk. ) Sub=01 Prot=01 Driver=hci_usb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  64 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  64 Ivl=1ms
I:  If#= 1 Alt= 5 #EPs= 2 Cls=e0(unk. ) Sub=01 Prot=01 Driver=hci_usb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  64 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  64 Ivl=1ms
I:  If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none)
E:  Ad=84(I) Atr=02(Bulk) MxPS=  32 Ivl=0ms
E:  Ad=04(O) Atr=02(Bulk) MxPS=  32 Ivl=0ms
I:  If#= 3 Alt= 0 #EPs= 0 Cls=fe(app. ) Sub=01 Prot=00 Driver=(none)

(Note this dongle is actually internally fitted on the Inspiron.)

> Does normal operation like scanning for other devices work if you don't
> give the reset=1 quirk? If yes, then this one is not needed at all.

I didn't think it was needed and scanning works fine for devices that
aren't paired.

> If you load the hci_usb driver without force_scofix=1, what does
> hciconfig show you.

Removing all options, hciconfig -a hci0 gives the following:
hci0:   Type: USB
        BD Address: 00:16:CF:CE:C2:75 ACL MTU: 1017:8 SCO MTU: 64:8
        UP RUNNING PSCAN 
        RX bytes:659 acl:0 sco:0 events:19 errors:0
        TX bytes:323 acl:0 sco:0 commands:19 errors:0
        Features: 0xff 0xff 0x8d 0xfe 0x9b 0xfd 0x00 0x80
        Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 
        Link policy: RSWITCH HOLD SNIFF PARK 
        Link mode: SLAVE ACCEPT 
        Name: 'BlueZ (0)'
        Class: 0x3e0100
        Service Classes: Networking, Rendering, Capturing, Object
Transfer, Audio
        Device Class: Computer, Uncategorized
        HCI Ver: 2.0 (0x3) HCI Rev: 0x20da LMP Ver: 2.0 (0x3) LMP
Subver: 0x4182
        Manufacturer: Broadcom Corporation (15)

Hope that helps with diagnosis.

Cheers,

Jon.