[Bluez-users] flooded with "SCO data: handle 0 dlen 0"

[Bluez-users] flooded with "SCO data: handle 0 dlen 0"

[Stefan Quandt]

As soon as I connect my Bluetooth-Dongle (Abe UB 20S, BlueSoleil) my syslog
are flooded with empty SCO packets.
hcidump reports these with "SCO data: handle 0 dlen 0"
I run OpenSuse-10.0 with bluez-2.21

What goes wrong here?

Thanks 
  Stefan





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Re: [Bluez-users] flooded with "SCO data: handle 0 dlen 0"

[Marcel Holtmann]

Hi Stefan,

> As soon as I connect my Bluetooth-Dongle (Abe UB 20S, BlueSoleil) my syslog
> are flooded with empty SCO packets.
> hcidump reports these with "SCO data: handle 0 dlen 0"
> I run OpenSuse-10.0 with bluez-2.21

check if this is a Silicon Wave based dongle.

Regards

Marcel




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[Bluez-users] Re: flooded with "SCO data: handle 0 dlen 0"

[Stefan Quandt]

Hi Marcel,

>> As soon as I connect my Bluetooth-Dongle (Abe UB 20S, BlueSoleil) my
>> syslog are flooded with empty SCO packets.
> check if this is a Silicon Wave based dongle.
How may I do this?

http://www.holtmann.org/linux/bluetooth/features.html 
says the manufacturer is RTX Telecom.

Maybe this helps:
/sys/bus/usb/devices/1-1/idProduct contains 080a
/sys/bus/usb/devices/1-1/idVendor contains  0400

Thanks
   Stefan




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Re: [Bluez-users] Re: flooded with "SCO data: handle 0 dlen 0"

[Marcel Holtmann]

Hi Stefan,

> >> As soon as I connect my Bluetooth-Dongle (Abe UB 20S, BlueSoleil) my
> >> syslog are flooded with empty SCO packets.
> > check if this is a Silicon Wave based dongle.
> How may I do this?
> 
> http://www.holtmann.org/linux/bluetooth/features.html 
> says the manufacturer is RTX Telecom.
> 
> Maybe this helps:
> /sys/bus/usb/devices/1-1/idProduct contains 080a
> /sys/bus/usb/devices/1-1/idVendor contains  0400

call "hciconfig -a".

Regards

Marcel




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[Bluez-users] Re: Re: flooded with "SCO data: handle 0 dlen 0"

[Stefan Quandt]

Hi Marcel,

doing "hciconfig -a" (a few seconds after connecting the dongle) gives me
hci0:   Type: USB
        BD Address: 00:0C:78:30:B9:1A ACL MTU: 339:4 SCO MTU: 60:9
        UP RUNNING
        RX bytes:441632 acl:0 sco:129750 events:27 errors:0
        TX bytes:345 acl:0 sco:0 commands:24 errors:0
        Features: 0xff 0xff 0x81 0x00 0x18 0x18 0x00 0x00
        Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
        Link policy: RSWITCH HOLD SNIFF PARK
        Link mode: SLAVE ACCEPT
        Name: 'BlueZ (0)'
        Class: 0x3e0100
        Service Classes: Networking, Rendering, Capturing
        Device Class: Computer, Uncategorized
        HCI Ver: 1.2 (0x2) HCI Rev: 0x222 LMP Ver: 1.2 (0x2) LMP Subver:
0x222
        Manufacturer: RTX Telecom A/S (21)

Thanks
   Stefan

Marcel Holtmann wrote:

> Hi Stefan,
> 
>> >> As soon as I connect my Bluetooth-Dongle (Abe UB 20S, BlueSoleil) my
>> >> syslog are flooded with empty SCO packets.
>> > check if this is a Silicon Wave based dongle.
>> How may I do this?
>> 
>> http://www.holtmann.org/linux/bluetooth/features.html
>> says the manufacturer is RTX Telecom.
>> 
>> Maybe this helps:
>> /sys/bus/usb/devices/1-1/idProduct contains 080a
>> /sys/bus/usb/devices/1-1/idVendor contains  0400
> 
> call "hciconfig -a".
> 
> Regards
> 
> Marcel
> 
> 
> 
> 
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> SF.Net email is sponsored by:
> Tame your development challenges with Apache's Geronimo App Server.
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> own
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