Re: [Bluez-users] Invalid Exchange..

Marcel Holtmann
2004-08-21T11:52:04Z

Hi George,

> I'm trying to connect my Logitech MX900 mouse and I'm
> getting a "Can't create HID control channel: Invalid
> exchange" message.
> Specifically:
>
> [gtaranti@fedora gtaranti]$ /sbin/hciconfig
> hci0: Type: USB
> BD Address: 00:10:60:A5:11:3E ACL MTU: 192:8
> SCO MTU: 64:8
> UP RUNNING PSCAN ISCAN AUTH ENCRYPT
> RX bytes:1063 acl:0 sco:0 events:110 errors:0
> TX bytes:828 acl:0 sco:0 commands:55 errors:0
>
> [gtaranti@fedora gtaranti]$ hidd --search
> Searching ...
> Connecting to device 00:07:61:05:65:22
> Can't create HID control channel: Invalid exchange
> [gtaranti@fedora gtaranti]$ hidd --connect
> 00:07:61:05:65:22
> Can't create HID control channel: Invalid exchange
>
> The hcidump logs the previous commands as:
>
> HCIDump - HCI packet analyzer ver 1.10
> device: hci0 snap_len: 1028 filter: 0xffffffff
> > HCI Event: Command Status (0x0f) plen 4
> > HCI Event: Inquiry Result (0x02) plen 15
> > HCI Event: Inquiry Complete (0x01) plen 1
> > HCI Event: Command Status (0x0f) plen 4
> > HCI Event: Command Complete (0x0e) plen 10
> > HCI Event: Command Complete (0x0e) plen 10
> > HCI Event: Connect Complete (0x03) plen 11
> > HCI Event: Command Status (0x0f) plen 4
> > HCI Event: Command Complete (0x0e) plen 10
> > HCI Event: Command Complete (0x0e) plen 10
> > HCI Event: Connect Complete (0x03) plen 11
> ...
>
>
> It seems that the server can see the device but cannot
> connect to it.
>
> I'm using the fedora core 2.6.8-1.521smp kernel and
> the 2.9 bluez-libs and bluez-utils.

run "hcidump -x" as root and lets see what it shows. Do you enabled
security mode 3? It won't work with a CSR based mouse.

Regards

Marcel