Re: [Bluez-devel] hcidump with multiple dongles

[Marcel Holtmann <marcel@holtmann.org>]

Hi Richard,

> I've been working on a project that requires multiple Bluetooth
> dongles on a single PC. I have a USB 2.0 hub with two dongles. I can
> create my problem in the following manner:
>  
> - window 1     l2ping xx:xx:xx:xx:xx:xx  - so this command is running
> constantly.
> - window 2     hcidump -i hci0               - this command is dumping
> the output correctly.
> - window 3     hcitool scan -i hci1

this must be hcitool -i hci1 scan.

> - window 4     hcidump -i hci1
>  
> After a little while ( sometimes immediately ) the hcitool scan in
> window 3 will fail:
>  
> # hcitool scan -i hci1
> Scanning...
>  
> Inquiry failed. Connection timed out.
> #
> #
>  
> The test works fine if I do NOT use hcidump. That is, I can run window
> 1 and 3 all day with no problem. When I add hcidump, the "hcitool scan
> -i hci1" will then begin to fail to connect to the hci device.

Does using "hcitool inq" helps?

Regards

Marcel




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