[Bug 268502] Re: Bluetooth doesn't work (hci_cmd_task: hci0 command tx timeout)
Brian Rogers
brian at xyzw.org
Sat Feb 7 16:04:09 UTC 2009
Well it turns out it's not as simple as just a bad commit. The problem
is with the newer btusb driver that replaced hci_usb by default in
2.6.27. It looks like that newer driver never worked correctly with
certain Bluetooth dongles.
** Description changed:
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
- The problem started somewhere between 2.6.26 and 2.6.27. It hasn't been
- fixed upstream as of v2.6.29-rc3.
+ 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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