[Bluez-users] Failed to send data over a writable l2cap socket

[Bluez-users] Failed to send data over a writable l2cap socket

[Pragya Gupta]

Hi,

I am trying to establish more than one l2cap channel over same hci 
link between a pair of devices. I am using "select" to find out when 
a socket becomes writable. When I say "connect" for first two l2cap 
sockets , I come out of select when it becomes writable and I am able 
to send data to it. But when I repeat the same for the third l2cap 
socket, the socket is writable but I am unable to send data on it . 
The data goes out successfully only after few attempts.

Any suggestions ? Am I doing something wrong ?

Thanks and Regds
Pragya




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Re: [Bluez-users] Failed to send data over a writable l2cap socket

[Marcel Holtmann]

Hi Pragya,

> I am trying to establish more than one l2cap channel over same hci 
> link between a pair of devices. I am using "select" to find out when 
> a socket becomes writable. When I say "connect" for first two l2cap 
> sockets , I come out of select when it becomes writable and I am able 
> to send data to it. But when I repeat the same for the third l2cap 
> socket, the socket is writable but I am unable to send data on it . 
> The data goes out successfully only after few attempts.

I need a "hcidump -X -V" of this problem and an example problem to
reproduce this behavior at home. Make sure you use the latest kernel and
bluez-utils.

Regards

Marcel




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