[Bug 268502] Re: Bluetooth doesn't work (hci_cmd_task: hci0 command tx timeout)

[Stefan Bader]

** Changed in: linux (Ubuntu Intrepid)
   Importance: Undecided => Medium
     Assignee: (unassigned) => Stefan Bader (stefan-bader-canonical)
       Status: New => Fix Committed

** Changed in: linux (Ubuntu Jaunty)
       Status: In Progress => Fix Committed

** Description changed:

+ SRU justification:
+ 
+ Impact: A series of bluetooth dongles [1] do not work properly with the new
+         btusb driver which replaced usb_hci. This has been fixed upstream
+         (2.6.29-rc3). The required changes are all local to the btusb driver.
+ 
+ Fix: The following three patches are required to fix this (two as prerequisite
+      and one for the actual fix). The fix deviates from upstream by the change
+      of a version number and the missing resume part which does not exist for
+      Intrepid nor Jaunty.
+ 
+ Test: Fix has been tested by bug reporters.
+ 
+ ---
+ 
  Bluetooth doesn't work for at least the following devices:
  ID 1131:1001 Integrated System Solution Corp. KY-BT100 Bluetooth Adapter
  ID 1131:1004 Integrated System Solution Corp. Bluetooth Device
  ID 2001:f111 D-Link Corp. [hex] DBT-122 Bluetooth adapter
  ID 0a5c:200a Broadcom Corp. Bluetooth dongle
  
  They don't work properly with the newer btusb driver, which replaced
  hci_usb by default in 2.6.27. This hasn't been fixed upstream as of
  v2.6.29-rc3.
  
  Original message below:
  
  Association with Bluetooth works using kernel 2.6.26, since the updates
  to 2.6.27 (both -1 and -2) association fails. I can scan and see
  bluetooth devices but not pair.
  
  Using my phone, I start the association process, the phone asks for a
  passkey, and in 2.6.26 the popup window appears normally allowing me to
  enter the passkey. In 2.6.27 the dialog box never appears.
  
  If I use hcitool:
  
  :~$ sudo hcitool cc 00:1B:59:96:A6:DD
  :~$ sudo hcitool auth 00:1B:59:96:A6:DD
  HCI authentication request failed: Connection timed out
  
  the dialog box appears very very briefly then vanishes.
  
  dmesg shows a couple of problems:
  
  [25791.306170] btusb_intr_complete: hci0 urb ffff88004dd0fb40 failed to resubmit (19)
  [25791.315446] btusb_send_frame: hci0 urb ffff880048542840 submission failed
  
  and the syslog shows that there was an attempt to associate:
  
  Sep 23 08:16:59 charlie hcid[5903]: link_key_request (sba=00:11:67:9C:59:B5, dba=00:1B:59:96:A6:DD)
  Sep 23 08:16:59 charlie hcid[5903]: pin_code_request (sba=00:11:67:9C:59:B5, dba=00:1B:59:96:A6:DD)

-- 
Bluetooth doesn't work (hci_cmd_task: hci0 command tx timeout)
https://bugs.launchpad.net/bugs/268502
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