Comment 52 for bug 343727

Don't know if this helps or not, but here is the tail end of the hcidump where the mouse connection is refused, and then disconnects entirely:

< ACL data: handle 12 flags 0x02 dlen 12
    L2CAP(s): Connect req: psm 17 scid 0x0041
> ACL data: handle 12 flags 0x02 dlen 16
    L2CAP(s): Connect rsp: dcid 0x0041 scid 0x0041 result 4 status 0
      Connection refused - no resources available
> HCI Event: Number of Completed Packets (0x13) plen 5
< ACL data: handle 12 flags 0x02 dlen 12
    L2CAP(s): Disconn req: dcid 0x0040 scid 0x0040
> ACL data: handle 12 flags 0x02 dlen 12
    L2CAP(s): Disconn rsp: dcid 0x0040 scid 0x0040
> HCI Event: Number of Completed Packets (0x13) plen 5
< HCI Command: Disconnect (0x01|0x0006) plen 3
> HCI Event: Command Status (0x0f) plen 4
> HCI Event: Disconn Complete (0x05) plen 4