Can't Make Socket Bluetooth Rev H Working

[unplug]

I am thinking of buying a logitech bluetooth headphone (this one), since it has 50 rebate right now, so that I can enjoy wireless music.
After I read a bunch of tutorial and forum discussion, I still can't make it work. Basically, the error message I got when I tried to start bluetooth is:
Starting Bluetooth subsystem: hcid sdpdCan't open RFCOMM control socket: No such file or directory
 rfcomm.

I installed:
bluez-kernel-2.4.18-mh14_arm.ipk
bluez-libs-2.21_arm.ipk
bluez-utils-2.21a_arm.ipk
(download from HERE)
and
bluez-csr-serial_0.1_arm.ipk
(according to Bluetooth HOW-TO)

any help will be greatly apprecriated.

[xjqian]

I am thinking of buying a logitech bluetooth headphone (this one), since it has 50 rebate right now, so that I can enjoy wireless music.
After I read a bunch of tutorial and forum discussion, I still can't make it work. Basically, the error message I got when I tried to start bluetooth is:
Starting Bluetooth subsystem: hcid sdpdCan't open RFCOMM control socket: No such file or directory
 rfcomm.

I installed:
bluez-kernel-2.4.18-mh14_arm.ipk
bluez-libs-2.21_arm.ipk
bluez-utils-2.21a_arm.ipk
(download from HERE)
and
bluez-csr-serial_0.1_arm.ipk
(according to Bluetooth HOW-TO)

any help will be greatly apprecriated.
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try the latest bluez packages [a href=\"https://www.oesf.org/forums/index.php?showtopic=9995]https://www.oesf.org/forums/index.php?showtopic=9995[/url]. It worked for me on the stock rom

[unplug]

Thank you so much. After I unstalled all the BlueZ ipks and install that one, I got no error message and hciconfig give me some information. now I am excited to know whether that headphone works or not.

[dirk]

Thank you so much. After I unstalled all the BlueZ ipks and install that one, I got no error message and hciconfig give me some information. now I am excited to know whether that headphone works or not.
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To use an bluetooth headset you need the [a href=\"http://bluetooth-alsa.sourceforge.net/]snd-bt-sco[/url] driver. This driver use an alsa device to communicate with the headset.

But this driver needs a recent 2.6 kernel. Here is an older unsupported version 2.4.

Dirk

[unplug]

Thank you. There is only source code and I don't have cross-compile set up. I tried many times to set up cross-compile on either my Fedora or Gentoo but no luck. Do you know any ipk available?

[unplug]

Ok, got the headphone today but still can't make it work. I think my bluetooth started ok, when I use hciconfig I got:
hci0: Type: UART
        BD Address: 00:02:C7:42:BE:C0 ACL MTU:340:4 SCO MTU: 64:10
        UP RUNNING PSCAN ISCAN
        RX bytes:298 acl:0 sco:0 events: 15 errors:0
        TX bytes:472 acl:0 sco:0 commands: 13 errors:0

But when I ust sdptool browse, I got nothing except Inquiring ...
Maybe the headphone is not supported? Or do I miss anything? I don't have other bt device so I don't know...

[unplug]

well, seems that this logitech wireless headphone does not use real bt technology. I can't even make a Mac G4 laptop discover it.  
Case closed.