Message-Id: <6.1.2.0.2.20050124172931.041a03a0@pop.gmx.net>
To: bluez-users@lists.sourceforge.net
From: George <george.news@gmx.net>
Subject: Re: [Bluez-users] Bluez BNEP connection close
In-Reply-To: <1106581771.8058.49.camel@pegasus>
References: <6.1.2.0.2.20050124165802.04168330@luna.tlmat.unican.es>
 <1106581771.8058.49.camel@pegasus>
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Date: Mon, 24 Jan 2005 17:46:32 +0100

Hello.

The fact is that I have copy pand code to automate them into my 
application. My application makes a bridge in order to communicate WIFI and 
BlueTooth.

The traffic is not too much.. when I run a ping -s 50000 it crashes and 
hangs. The result is that some packets are transmitted correctly while 
others doesn't.
The bnep0 connection disappears and then both ends are no more connected.

After happening all that things I have to restart everything as the sdpd 
and also the bluetooth devices on both ends are hanged.

For giving more information, one of the ends is a Sharp Zaurus 5500 and the 
other is a Laptop using and AnyCom usb dongle

By having a look at /var/log/messages I have one messge that is:

Kernel: NETDED WATCHDOG: bnep0: transmit timed out

and also in other parts

Jan 24 17:14:35 kernel: hci_acl_tx_to: hci0 ACL tx timeout
Jan 24 17:14:35 kernel: hci_acl_tx_to: hci0 killing stalled ACL connection 
BA:D4:09:EE:02:00
Jan 24 17:14:35 kernel: hci_acl_tx_to: hci0 ACL tx timeout
Jan 24 17:14:35 kernel: hci_acl_tx_to: hci0 killing stalled ACL connection 
BA:D4:09:EE:02:00


TA.


At 16:49 24/01/2005, Marcel Holtmann wrote:
 >Hi George,
 >
 >> I'm facing a problem using the Bluez stack for linux and I don't know the
 >> reason and how to solve it.
 >> I'm using the PAN environment, using the BNEP over L2CAP. I'm using kernel
 >> 2.4.28-mh1 and bluez-libs-2.10 and bluez-utils-2.10.
 >>
 >> I manage to get both devices connected and running a ping over it. However
 >> when I do some web browsing a problem appear (also if doing an FTP or
 >> whatever thing).
 >> When the amount of traffic through the connection increase, the connection
 >> shut down without any reason.
 >>
 >> Any idea of why when stressing the connection by transferring big 
amount of
 >> data it closes.
 >
 >check the syslog or dmesg for any error messages when this happens. I
 >never had problems with big amount of data over BNEP. Btw about how much
 >data are we talking?
 >
 >Regards
 >
 >Marcel
 >
 >
 >
 >
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