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Old 09-26-2007, 09:47 AM   #1
PseudoRandom
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Registered: Mar 2005
Location: Halifax, NS, Canada
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Problems with Bluetooth headset in Feisty


Hi all,

Sytem specs:
Kubuntu Feisty
Lenovo Thinkpad T60
D-Link USB Bluetooth dongle
Motorola H350 Headset

Using the gbtsco tool (http://www.stgraber.org/2007/05/20/g...dy-release-02/) I am able to pair with the headset. But I have yet to get any sound out of it. I followed these instructions (http://wiki.bluez.org/wiki/HOWTO/AudioDevices) to create a new sound device in ~/.asoundrc

When I try to use Skype, using either the bluetooth device (defined according to the Bluez instructions) or the BT-headset device that Skype comes up with, /var/log/messages fills with this sort of thing:

Sep 26 11:37:34 SLM-T60 kernel: cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccoccccccccc cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc
Sep 26 11:37:34 SLM-T60 kernel: cccccccccccccccccccccccccccccccccccccco: file_count cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc cccccccccccco: file_count is 2 (expected 3)
Sep 26 11:37:34 SLM-T60 kernel: [ 7397.320000] snd-bt-sco: file_count is 2 (expected 3)
Sep 26 11:37:34 SLM-T60 last message repeated 924 times

Googling those errors turned up a whole lotta nothing.

Ideas?
 
Old 09-26-2007, 12:23 PM   #2
PseudoRandom
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Registered: Mar 2005
Location: Halifax, NS, Canada
Distribution: Debian, Ubuntu, FC5
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update

This page:
http://www.maven.pl/2006/04/27/jabra...set-and-linux/

... describes another symptom that I am experiencing: "There is one issue with BT500 (where you will hear no sound, just single beep at start and end of audio stream) which is handled by sco-mtu patch."

Unfortunately, the link he provides for a patch is no longer live:
http://bluetooth-alsa.sourceforge.net/sco-mtu.patch
 
Old 09-26-2007, 07:42 PM   #3
PseudoRandom
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OK. The endless errors in syslog (which actually filled my 5GB /var partition!) can be solved by adding the following line to /etc/modprobe.d/bluez:
options hci_usb force_scofix=1

Last edited by PseudoRandom; 10-04-2007 at 09:08 PM.
 
Old 10-04-2007, 09:07 PM   #4
PseudoRandom
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Registered: Mar 2005
Location: Halifax, NS, Canada
Distribution: Debian, Ubuntu, FC5
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Smile

I let this sit for a week or so, and somehow it is now working. None of the recent ubuntu upgrades seem relevant, so ... ?

I tried a number of things ... more than I can recall offhand, but they included adding these entries to /etc/modules:
snd-emu10k1
sco
snd_bt_sco

I also gave up on the gbtsco tool, and I connect to the headset with these commands (which I have scripted for easy pairing):

steve@SLM-T60:~$ sudo hciconfig hci0 voice 0x0060
steve@SLM-T60:~$ sudo hcitool cc 00:1A:0E:XX:XX:XX
steve@SLM-T60:~$ btsco -v -i hci0 00:1A:0E:XX:XX:XX


I append some of the links that seem to have proved useful:
http://forum.ubuntu-fr.org/viewtopic.php?id=128674 [** this one was the last one I found and tried -- maybe it was the magic? **]
https://help.ubuntu.com/community/BluetoothAudio

Every search seems to turn this page up, but the offered solution was of little help. I did use some of the pointers found in the comments, though:
http://ubuntuforums.org/showthread.p...etooth+headset

Hope this helps someone else!
 
Old 10-07-2007, 12:57 AM   #5
lenhardturs
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Registered: Mar 2004
Location: Cleveland OH- USA
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Solved the issue for me

I had just the same problem as described in this thread. What made the difference for me was adding the modules described below to /etc/modules.

Last edited by lenhardturs; 10-15-2007 at 06:26 AM.
 
Old 10-12-2007, 05:30 PM   #6
PseudoRandom
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Registered: Mar 2005
Location: Halifax, NS, Canada
Distribution: Debian, Ubuntu, FC5
Posts: 17

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Update/correction:

The headset works fine, but snd-bt-sco does still fill my syslog, messages, and kernel.log with messages like this:
Oct 12 11:13:18 SLM-T60 kernel: [ 2054.332000] snd-bt-sco: playback_open
Oct 12 11:13:18 SLM-T60 kernel: [ 2054.332000] snd-bt-sco: capture_open
Oct 12 11:13:18 SLM-T60 kernel: [ 2054.332000] snd-bt-sco: playback_open

A quick google revealed no helpful info. Once again, these messages filled my /var partition in fairly short order.
 
  


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