[Bluez-devel] Help, Connection Reset by peer.

[Bluez-devel] Help, Connection Reset by peer.

[ermal mino]

Hi,
I know bluez supports max 7 rfcomm connections at one
time, and so it works.
I implemented obex push profile(a part of it) and i
use it to send files to cellphones over rfcomm.
The strange thing is that sometimes when more than one
connection are working at the same time without any
particular apparent reason fail and some of the
connections or both of them stay open.

i close these connections using "hcitool dc"

when i try to browse the services it gives me:
Failed to connect SDP server: Connection reset by peer

i also stop my application
i restart hcid,sdpd
but still the same error,
then i have to reboot to make it work again.

any idea about what can it be the reason?
it happens rarely,randomly without any particular
condition except of the fact that there are two open
connections working, and i use kernel 2.4.27 or 2.4.29

is there any way to reset the device without needing
to reboot the system?

I must say that the only thing my application does is,

while true
1-search for devices,
2-for every device 
     find the service channel
     start a new thread with the sendfile function
goto while

so i don't think my application is the problem.

Thanks in advance.


	

	
		
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Re: [Bluez-devel] Help, Connection Reset by peer.

[Marcel Holtmann]

Hi,

> I know bluez supports max 7 rfcomm connections at one
> time, and so it works.
> I implemented obex push profile(a part of it) and i
> use it to send files to cellphones over rfcomm.
> The strange thing is that sometimes when more than one
> connection are working at the same time without any
> particular apparent reason fail and some of the
> connections or both of them stay open.
> 
> i close these connections using "hcitool dc"
> 
> when i try to browse the services it gives me:
> Failed to connect SDP server: Connection reset by peer
> 
> i also stop my application
> i restart hcid,sdpd
> but still the same error,
> then i have to reboot to make it work again.
> 
> any idea about what can it be the reason?
> it happens rarely,randomly without any particular
> condition except of the fact that there are two open
> connections working, and i use kernel 2.4.27 or 2.4.29
> 
> is there any way to reset the device without needing
> to reboot the system?
> 
> I must say that the only thing my application does is,
> 
> while true
> 1-search for devices,
> 2-for every device 
>      find the service channel
>      start a new thread with the sendfile function
> goto while
> 
> so i don't think my application is the problem.

I wouldn't bet on it, but this can also be a kernel problem. The old 2.4
kernel series is no longer actively maintained and you might consider
switching to the latest 2.6 kernel. And you run "hcidump -X -V" to see
what really happens.

Regards

Marcel




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